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3 years ago

How to find the length of the hypotenuse correct to one decimal place

Mathematics

1 answer:

hichkok12 [17]3 years ago

5 0

Answer:

If you are provided with the lengths of two sides a triangle, you can find the third side using the Pythagorean Theorem: $a^2+b^2=c^2$ .

Variable c represents the length of the hypotenuse, and variables a and b represent the lengths of the other two sides.

Please mark as Brainliest! :)

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What is the x-value of the solution to the system of equations?

ValentinkaMS [17]

Answer:

The solution to the system of equations is:

$x=4,\:y=-3$

Step-by-step explanation:

Given the system of equations

$5x + 4y =8$

$2x- 3y = 17$

solving the system of equations

$\begin{bmatrix}5x+4y=8\\ 2x-3y=17\end{bmatrix}$

$\mathrm{Multiply\:}5x+4y=8\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:10x+8y=16$

$\mathrm{Multiply\:}2x-3y=17\mathrm{\:by\:}5\:\mathrm{:}\:\quad \:10x-15y=85$

$\begin{bmatrix}10x+8y=16\\ 10x-15y=85\end{bmatrix}$

$10x-15y=85$

$-$

$\underline{10x+8y=16}$

$-23y=69$

$\begin{bmatrix}10x+8y=16\\ -23y=69\end{bmatrix}$

solve for y

$-23y=69$

Divide both sides by -23

$\frac{-23y}{-23}=\frac{69}{-23}$

$y=-3$

$\mathrm{For\:}10x+8y=16\mathrm{\:plug\:in\:}y=-3$

$10x+8\left(-3\right)=16$

$10x-24=16$

$10x=40$

Divide both sides by 10

$\frac{10x}{10}=\frac{40}{10}$

$x=4$

Thus, the solution to the system of equations is:

$x=4,\:y=-3$

7 0

3 years ago

A roll of 100 pennies is in the shape of a right cylinder. Each penny has a diameter of 0.75 inches and a thickness of 0.04 inch

zalisa [80]

Answer:

(B) π(0.75/2)²(4)

Step-by-step explanation:

The volume formula:

V = πr²h

Given:

d = 0.75 in ⇒ r = d/2 = 0.75/2 in
h = 0.04 in

The volume of each penny:

V = π(0.75/2)²(0.04)

The volume of 100 pennies:

V = 100*π(0.75/2)²(0.04) = π(0.75/2)²(4)

Correct choice is B

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3 years ago

Read 2 more answers

Which is shorter 96in or 12ft

sammy [17]

96 inches is shorter than 12 feet. This is because 12 feet in inches is 144 inches, which is greater than 96.

Hope this helps! :D

~PutarPotato

5 0

3 years ago

Solve: 8 – 2x = 2 x= And how?

TiliK225 [7]

Answer:

x = 3

Step-by-step explanation:

8 - 2x = 2

- 2x = 2 - 8

- 2x = - 6

- x = - 6/2

- x = - 3

x = 3

5 0

4 years ago

Read 2 more answers

plzz help me no link plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

boyakko [2]

Answer:

Zara ate 50 almonds last week

Step-by-step explanation:

part to whole ratio is 50 : 100

150 divided by 2 is 75

100 divided by 50 is equal to 2

Zara ate 50 almonds last week

pls mark brainliest if this helped :)

8 0

2 years ago

How to find the length of the hypotenuse correct to one decimal place​

How to find the length of the hypotenuse correct to one decimal place