Question 10 The hypotenuse of a right triangle is I m longer than the longer leg. The other leg is 7 m shorter than the longer leg. Determine the lengths of the three sides of the triangle. (3 marks)​

Answers

Answer 1

Answer:

5, 12, 13

Step-by-step explanation:

let x be the longer leg then x + 1 is the hypotenuse and x - 7 the shorter leg

Using Pythagoras' identity in the right triangle

x² + (x - 7)² = (x + 1)² ← expand using FOIL

x² + x² - 14x + 49 = x² + 2x + 1

2x² - 14x + 49 = x² + 2x + 1 ( subtract x² + 2x + 1 from both sides )

x² - 16x + 48 = 0 ← in standard form

(x - 4)(x - 12) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x - 12 = 0 ⇒ x = 12

x = 4 , then x - 7 = 4 - 7 = - 3 ← not possible

x = 12, then x - 7 = 12 - 7 = 5 and x + 1 = 12 + 1 = 13

The lengths of the 3 sides are

longer leg = 12 m , shorter leg = 5 m and hypotenuse = 13 m


Related Questions

cho tam giác ABC có A(3;4), B(2;1), C(-1;-2). tìm điểm M nằm trên đường thẳng BC sao cho S ABC=3S ABM

Answers

Answer:

Step-by-step explanation:

Simplify
(+8)-(-4)+(-5)​

Answers

Answer:

17

Step-by-step explanation:

8+4+5=17

Answer:

7

Step-by-step explanation:

(+8)-(-4)+(-5)

=8+4-5

=12-5

=7

Find the missing side lengths

Answers

Answer:

Download gauthmath it will help

Jesus loves u

a=4 and b=3•46 should be ur answer

have a awesome day don’t let anyone bring u down♥︎

Function g is the result of these transformations on the parent sine function:
-vertical stretch by a factor of 3
-horizontal shift left pi/2
-units vertical shift down 4 units
Below is the question from the Edmentum test :)

Answers

Answer:

g(x) = 3·sin(x + π/2) - 4

Step-by-step explanation:

The given (general form of a) sin function is g(x) = A·sin(x + C) + D

Where;

A = The amplitude (the vertical stretch) = 3

C = The phase shift, left = π/2

D = The vertical shift = 4 units down = -4

Therefore, given that in the parent function, we have f(x) = sin(x), by substituting the values of A, C, and D to complete the equation modeling the function g, we get;

g(x) = 3·sin(x + π/2) - 4

find the interior angle sum for the following polygon.​

Answers

We know that the interior angle sum of a polygon is (n − 2) × 180°, where n is the number of sides.

Here, number of sides (n) = 12

So, interior angle sum = (n − 2) × 180°

=> interior angle sum = (12 - 2) × 180°

=> interior angle sum = 10 × 180°

=> interior angle sum = 1800°

So, the interior angle sum of this polygon is 1800°.

13 + {16 + 2 -[25 + 45) x 3] + 9}

Answers

Answer: -170

Concept:

When encountering questions that require multiple steps of the calculation, it is suggested to follow the PEMDAS.

ParenthesisExponentsMultiplicationDivisionAdditionSubtraction

Solve:

**Disclaimer** I assume that it is supposed to be (25 + 45). If it was, then you may refer to my answer. If the ")" after 45 is just a typo, you may point it out and I will redo it.

Given expression

 13 + {16 + 2 - [(25 + 45) × 3] + 9}

Do the parenthesis of the inner most

=13 + {16 + 2 - [70 × 3] + 9}

=13 + {16 + 2 - 210 + 9}

Do addition first, then subtraction

=13 + {18 - 210 + 9}

=13 + {27 - 210}

=13 - 183

=-170

Hope this helps!! :)

Please let me know if you have any questions

PLEASE HELP ASAP!!! I dont understand

Answers

Answer:

15

Step-by-step explanation:

(3x-1+2x+1)(3) -> 3 is the plug-in for x

3x-1+2x+1=5x

5*3=15

15

Answer:

15

Step-by-step explanation:

f(x) = 3x -1

g(x) = 2x+1

(f+g)(3)

find g(3) = 2(3)+1 = 6+1 = 7

Then find f(3) = 3(3) -1 = 8

f(3) + g(3) = 7+8 = 15

[tex]3x + 9 = 12[/tex]

Solve for x

Answers

Answer:

x=1

Step-by-step explanation:

3x+9 = 12

Subtract 9 from each side

3x+9-9=12-9

3x = 3

Divide by 3

3x/3 = 3/3

x=1

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

[tex]x = 1[/tex]

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

[tex]\boxed{\text{Calculating the answer...}}\\\\3x + 9 = 12\\-------------\\\rightarrow 3x + 9 - 9 = 12 - 9\\\\\rightarrow 3x = 3\\\\\rightarrow \frac{3x=3}{3}\\\\\rightarrow \boxed{x=1}[/tex]

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

2/5 divided by 8/5 .......

Answers

Answer:

1/4

Step-by-step explanation:

2/5 divided by 8/5

Multiply 5 by 2 then 5 by 8

10/40

Simplify 10/40

10/40 = 1/4

Answer:

1/4

Step-by-step explanation:

2/5 divided by 8/5 is the same as 2/5 * 5/8. we cross out the same 5's to get 2/8. We simplify that to 1/4.

1/4 is our answer.

Select the correct answer. Which line has a y-intercept of 2 and an x-intercept of -3? W. X. Y. Z. A. W B. X C. Y D. Z

Answers

Answer:

[tex]y = -\frac{2}{3}x + 2[/tex]

Step-by-step explanation:

The question is incomplete, as the graphs or equations of the lines are not given.

However, I will give a general explanation of calculating both intercepts

A linear equation is of the form:

[tex]y = mx + b[/tex]

Where:

[tex]b \to[/tex] y intercept

So, the equation

[tex]y = -\frac{2}{3}x + 2[/tex]

has 2 as its y-intercept

Set y to 0, to calculate the x-intercept

[tex]0 = -\frac{2}{3}x + 2[/tex]

Collect like terms

[tex]\frac{2}{3}x = 2[/tex]

Multiply by 3/2

[tex]x = 2 * \frac{3}{2}[/tex]

[tex]x = 3[/tex]

So, the equation with the required criteria is:

[tex]y = -\frac{2}{3}x + 2[/tex]

Can someone please help me with this

Answers

Answer:

8.5 km

Step-by-step explanation:

The distance is given by sqrt(8^2+3^2)=sqrt(64+9)=sqrt(73)=8.5 km

Un litro de leche de búfala equivale a 1.7 litros de leche de vaca. ¿si tengo 27 litros de leche de búfalo, a cuantos litros de leche de vaca equivaldría?

Answers

Answer:

Equivaldría a 45.9 litros de leche de vaca.

Step-by-step explanation:

Esta pregunta se resuelve por proporciones, usando una regla de tres.

Un litro de leche de búfala equivale a 1.7 litros de leche de vaca.

27 litros de leche de buffalo - x litros de leche de cava

1 - 1.7

Aplicando multiplicación cruzada :

[tex]x = 27*1.7 = 45.9[/tex]

Equivaldría a 45.9 litros de leche de vaca.

What is the circumference of a circle with a diameter of 9 feet? Use 3.14 for
TL
d = 9ft
O A. 28.26 ft
PREVIOU

Answers

the formula for calculating the circumference is [tex]\pi[/tex] x diameter

so, 3.14 x 9 = 28.26ft (a)

Answer:

C = 28.26 ft

Step-by-step explanation:

The circumference of a circle is given by

C = pi *d

C = 3.14 *9

C = 28.26 ft

cherly gets paid $8 per hour at her job at the record store. she made a total of $96 last week .write a multiplication equation to show how many hours she worked last week

Answers

Answer:

8(h)=96

Step-by-step explanation:

Remember when you are writing a multiplication equation, it's a division backwards.

96/8=h

h×8=96

hope this helps you

goodluck

Answer: 8x=96

Step-by-step explanation:

8X = 96

X = 96/8

X = 12 hours

Whose perfect square should be added to the sum of the greatest three digit prime number and the smallest two-digit prime number, so that the resultant number is perfect square of 32? ​pls give me ans pls pls pls

Answers

Answer:

Step-by-step explanation:

Let y is the required number.

a/c to question,

y² + greatest three digit prime number + smallest two digit prime number = 32²

we know, greatest three digit prime number = 997

smallest two digit prime number = 11

now, y² + 997 + 11 = 32²

or, y² + 1008 = 1024

or, y² = 1024 - 1008

or, y² = 16

or, y = 4

hence, required number number is one digit even number e.g., y = 4

Hope this answer helps you :)

Have a great day

Mark brainliest

Deandra is doing her math homework. She completed the first 6 problems in 2 hours and the last 12 problems in 3 hours.

Which best describes Deandra’s rate for completing her homework?
Deandra completed the first 6 problems at a rate of 6 problems per hour and the last 12 at a rate of 2 problems per hour.
Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.
Deandra completed the first 6 problems at a rate of 2 problems per hour and the last 12 at a rate of 6 problems per hour.
Deandra completed the first 6 problems at a rate of 4 problems per hour and the last 12 at a rate of 3 problems per hour.

Answers

Answer:

Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.

Step-by-step explanation:

6 problems ÷ 2 hours = 3 problems per hour

12 problems ÷ 3 hours = 4 problems per hour

Answer B is the answer

Determine the coefficient of x^3 in the expansion of (1 – x)^5(1 + 1/x)^5

Answers

Notice that

(1 - x)⁵ (1 + 1/x)⁵ = ((1 - x) (1 + 1/x))⁵ = (1 - x + 1/x - 1)⁵ = (1/x - x)⁵

Recall the binomial theorem:

[tex]\displaystyle(a+b)^n = \sum_{k=0}^n\binom nk a^{n-k}b^k[/tex]

Let a = 1/x, b = -x, and n = 5. Then

[tex]\displaystyle\left(\frac1x-x\right)^5 = \sum_{k=0}^5\binom5k\left(\frac1x\right)^{5-k}(-x)^k = \sum_{k=0}^5 (-1)^k\binom5k x^{2k-5}[/tex]

We get an x ³ term for

2k - 5 = 3   ==>   2k = 8   ==>   k = 4

so that the coefficient would be

[tex](-1)^4\dbinom54 = \boxed{5}[/tex]

PLEASE ANSWER AS SOON AS POSSIBLE
The trinomial x²−4x+4 is a perfect square. By factoring and finding the square roots, what values of x make the equation x2−4x+4=1 true?

Answers

Answer:

x²−4x+4 = (x-2)²

x²−4x+4 = 1

(x-2)² = 1

x-2 = ±√1

x = 1+2 or =-1+2

  = 3  or = 1

Choose the complete predicate for the sentence below. My friend from school is going to a football game tomorrow. My friend My friend from school going to a football game tomorrow is going to a football game tomorrow

Answers

Answer:

The complete predicate is the following: "is going to a football game tomorrow."

Step-by-step explanation:

A sentence is spit into two main parts, the subject and the predicate. The subject is what the sentence is about and it typically occurs before the verb. Everything before the verb in this case would be the complete subject. What is left is the complete predicate. The complete predicate includes the verb and everything after it until the end of the sentence.

Answer:

The complete predicate is the following: "is going to a football game tomorrow."

Step-by-step explanation:

A sentence is spit into two main parts, the subject and the predicate. The subject is what the sentence is about and it typically occurs before the verb. Everything before the verb in this case would be the complete subject. What is left is the complete predicate. The complete predicate includes the verb and everything after it until the end of the sentence.

What is the value of x in the figure below? In this diagram, AABD ~ ACAD.
15
B
х
20

Answers

Answer:

E

Step-by-step explanation:

(leg of big triangle)² = (part of hypotenuse below it) × (whole hypotenuse)

15² = x × 20

225 = 20x ( divide both sides by 20 )

[tex]\frac{225}{20}[/tex] = x , that is

x = [tex]\frac{45}{4}[/tex] → E

The value of the x in the given triangle is 45/4.

What are similar triangles?

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion.

Given is right triangle ABC, divided into two more right triangles, ADC and ADB, also, triangle ABD ~ triangle CAD.

Therefore, according to the definition of similar triangles, the corresponding sides are in proportion.

we have,

CA / CB = CD / CA

15/20 = x/15

x = 15²/20

x = 225/20

x = 45/4

Hence, the value of the x in the given triangle is 45/4.

Learn more about similar triangles click;

https://brainly.com/question/14926756

#SPJ7

use the ratio of a 45-45-99 triangle to solve for the variables. ​

Answers

Answers:

[tex]a = 18\sqrt{2}[/tex]

[tex]b = 18[/tex]

==============================================================

Explanation:

For any 45-45-90 triangle, the two legs are the same length. We consider triangles like this to be isosceles. So we have b = 18 as the vertical leg because the horizontal leg is also 18 units long.

The hypotenuse of these types of triangles is always [tex]\sqrt{2}[/tex] times longer compared to the leg length. So the hypotenuse is [tex]a = 18\sqrt{2}[/tex]

As an alternative, you can use the pythagorean theorem to find the hypotenuse.

I cant think of this question

Answers

Answer:

abcdsStep-by-step explanation:

BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST... What is the volume of the sphere in terms of *pi ? in ​

Answers

Formula for the volume of a sphere: V = 4/3 x pi x r^3

V = 4/3 x pi x 6^3

V = 4/3 x pi x 216

V = 288 pi in^3

Hope this helps!

Answer:

288 pi in ^3

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3 where r is the radius

V = 4/3 pi *( 6)^3

V = 4/3  pi (216)

V = 288 pi in ^3

Name and describe two theorems that you can use to prove two triangles are congruent?

Answers

Answer:

The Angle-Side-Angle Theorem (ASA) states that if two angles and their included side are congruent to two angles and their included side to another triangle, then these two triangles are congruent.

Step-by-step explanation:

found this on varsitytutors.com

what is the domain of the function in the graph?

Answers

Answer:

6AJNSDJN

Step-by-step explanation:

A farmer uses 1/3 of his land to grow corn and 1/4 to grow yams . What fraction of the land is left?

Answers

Answer:

7/12

Step-by-step explanation:

3*4=12. 4/12+3/12=7/12.

Answer:

5/12

Step-by-step explanation:

you find the common factor of 12, divide 12 by the denominator, multiply the numerator by that, add the new numerators, put it on the denominator of 12, subtract it from 12/12

Eliana claims she has discovered a method for determining the general form equation of a line
The line Ax + By + C = 0 will always be perpendicular to the line Bx - Ay + C = 0.
Is Eliana's method reasonable? Explain why or why not?

Answers

Answer:

The answer is below

Step-by-step explanation:

The general form of a line is given by:

Ax + By + C = 0

The slope intercept form of a line is give by:

y = mx + b;

where m is the slope and b is the y intercept

Given a line with equation Ax + By + C = 0; the slope of the line can be gotten by representing in slope intercept form, hence it becomes:

By = -Ax - C

y = (-A/B)x - C/B

The slope is -A/B

For a line with equation Bx - Ay + C = 0:

Ay = Bx + C

y = (B/A)x + C/A

the slope is B/A

Two lines are said to be perpendicular if the product of the slopes is -1. Hence:

-A/B * B/A = -1; hence the two lines are perpendicular

NEED HELP BEFORE I FAIL PLS :( ITS PYTHAGOREAN THEOREM

Answers

Answer:

[tex] \bf \: {c}^{2} = {(56)}^{2} + ( {33)}^{2} \\ = > {c}^{2} = 3136 + 1089 \\ = > {c}^{2} = 4225 \\ = > c = \sqrt{4225} \\ = > c = 65 \: yards[/tex]

Answer:

65..

Step-by-step explanation:

[tex] \sqrt{(56) {}^{2} } + (33) {}^{2} \\ = 65[/tex]

50 POINTS. For what value of the variable is the value of the expression is -3(2x+1) is 20 greater than the expression 8x+5? Please answer correctly, don't show your work, just give the correct answer.

Answers

-6x-3= 8x+25 just solve for x, then you get x=-2.

Answer:

my x is ;

x= -0.6205

this is because for the first equation to be equal to the second equation we need to multiply the second equation with 20

f(x) = -4(x+3)+6(x+4)

Answers

Answer:

zero of the function occurs at x = -6

Step-by-step explanation:

Given f(x) = -4(x+3)+6(x+4)

Since the question is incomplete, we can as well find the zero of the given function. The zero exists when f(x) = 0

Hence;

-4(x+3)+6(x+4) = 0

Expand

-4x - 12 + 6x + 24 = 0

Collect the like terms

-4x + 6x - 12 +24 = 0

2x + 12 = 0

2x = -12

x = -12/2

x = -6

Hence the zero of the function occurs at x = -6

Other Questions
A car increase its speed steadily from 30km/hr to 60km/hr in 1 min A what is the average speed during this time President Kennedy and Soviet premier Nikita Khrushchev: Group of answer choices engaged in a dangerous game of tactics and bluffs because the US wanted the Soviets to remove missile sites from Cuba decided which non-aligned nations would ally with the US and which would ally with the Soviets together planned and carried out the Bay of Pigs invasion became good friends after their Vienna summit meeting What are threatened species?Question 1 options:species we do not have enough data for to determine their population numbersonly large mammals like elephants, pandas, and whalesonly species poached for their organs or other partsspecies at risk for extinctionspecies that have already gone extinct In a clinical trial of a certain drug, 17 subjects experience headaches among the 221 subjects treated with the drug. Construct a 95% (Wald) confidence interval estimate for the proportion of treated subjects who experience headaches. a. Find the best point estimate of the population proportion.b. Identify the value of the margin of error E.c. Construct the confidence interval.d. write a statement that correctly interprets the confidence interval. what was the result of cesar chavez going on a hunger strike to protest conditions for grape pickers Miya is picking up two friends to go the beach. She drives from her house topick up Drea, then she drives to pick up Francine, and then they go to thebeach to play volleyball. What is the total distance of the trip?The grid below shows the coordinates of their houses on a map. All distancesare in miles. Identify the coefficients for the following quadratic equation.2x squared minus 9x equals negative 4a = b= c= Can you check if this text is well written?It's easy but I'm learning French. I appreciate your help.Bonjour tous, aujourd'hui je vais rpondre la question "Qui sont vos sportifs prfrs ?Je vais vous dcrire ma athlte prfr et vous devriez y prter attention. la fin, vous me direz de qui je parle, d'accord ?CommenonsQuestion 1 : Quel sport pratique l'athlte ?Football, basketball o volleyball.Elle joue au volley-ballMa sportive prfre, c'est une joueuse de volley-ball.Elle est pruvienne et fait partie de l'quipe fminine pruvienne de volley-ball.Question 2 : Comment est-elle?Moche, muscle o petite?Elle est muscleElle est brune et muscle.Elle est grande et mince aussi.Elle est trs belle.Question 3 : Comment sont ses cheveuxet ses yeux ?Ses cheveux et ses yeux sont brunes.Elle a les cheveux brunes et courtes. Elle a les cheveux frises aussi.Ses yeux sont brunes comme ses cheveux.Question 4 : Quel ge a-t-elle ?Elle a vingt-quatre ans.Question 5 : Est-elle de petite taille?Non, elle est grande.Elle fait 1 mtre 85!Elle est trs grande. On January 1, 2019, Stronger Industries issued $480,000 of 9%, five-year bonds that pay interest semiannually on June 30 and December 31. They are issued at $499,483 and their market rate is 8% at the issue date. After recording the entry for the issuance of the bonds, Bonds Payable had a balance of $480,000 and Premium on Bonds Payable had a balance of $19,483. Stroger uses the effective interest bond amortization method. The first semiannual interest payment was made on June 30, 2019. Complete the necessary journal entry for the interest payment date of June 30, 2019 by selecting the account names from the drop-down menus and entering the dollar amounts in the debit or credit columns. Help please me please help me what is the total amount of RS.7500 at the rate of 5.5% per annum in 42 months?find it. Vietnamese: Pht biu nh ngha hm s lin tc. Kho st tnh lin tc ca hm s sau: Anjuli performed an experiment to determine the respiration rate of yeast. She determined this by measuring theamount of carbon dioxide (CO2) that was produced. Then, she created the following graph.Her teacher suggested that she redraw her graph as a line graph. Why should she redraw the graph? A line graph looks better in a scientific report. She was measuring a rate of change. She had graphed the wrong relationship. Her experiment had many different variables. Complete the table, and then use the drawing tools to create the graph representing the relationship between the amount of plant food remaining, f(x), and the number of days that have passed, x. Which of the following is a benefit of using email to communicate at work ? a ) You can express yourself in limited number of characters Ob ) You don't have to worry about using proper grammar. c) You always get a response right away. d ) You can reach a large audience with one communication . negative sentence of garima met harish in the market susan, you should have bought the more expensive moden Which of the following is NOT true of the Pharaohs?A. They all came from the same familyB. They directed the army in case of conflictC. They were believed to be godsD. They had absolute control of their subjects Rationalize the denominator and simplify: a) (3 - 2)/( 3+2) b) (5+23)/(7+43) c) (1+2)/(3 - 22) Germany surrendered as Allied forces began to surround which city?A. BastogneB. ParisC. NormandyD. Berlin