2 years ago

Help! (I will give you brainliest!!!!)

Mathematics

1 answer:

DiKsa [7]2 years ago

5 0

The answer Is the option C

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Solve the system by the substitution method. Show your work. 2y - x = 5 x^2 + y^2 - 25 = 0

Elza [17]

2y - x = 5
x^2 + y^2 - 25 = 0

x = 2y - 5

(2y-5)^2 + y^2 - 25 = 0
(2y-5)(2y-5) + y^2 - 25 = 0
4y^2 - 20y + 25 + y^2 - 25 = 0
5y^2 - 20y = 0
y = 0 , y = 4

x = 2y - 5 , when y = 0
x = - 5

x = 2y - 5 , when y = 4
x = 8 - 5
x = 3

6 0

3 years ago

The volume of a rectangular prism is 16.328 cm³. The height is 3.14 cm.

Ghella [55]

Answer:

The area of the base is = 5.2 cm²

Step-by-step explanation:

First, we need to know the formula to calculate volume:

$volume=height XBase area$

if we change to our equations to the values we know:

$16.328 = 3.14XB$

Since 3.14 is multiplying B,we can pass it to divide the volume to the left side:

$\frac{16.328}{3.14} =B$

We calculate the operation=

$\frac{16.328}{3.14} =5.2$

And the answer is 5.2 cm²

Let me know if you have any question :D

5 0

2 years ago

Explain how you could use paperfolding to divide a line segment into four segments of equal length

Olin [163]

Fold in half.
Fold in half again.

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3 years ago

A small class took a survey of the number of siblings

jek_recluse [69]

Answer:

Line Plot

Step-by-step explanation:

I just toke the assignment! :/

4 0

3 years ago

Read 2 more answers

The formula F=9/5(K−273.15)+32

Lyrx [107]

Just subtract 32, then divide by 9/5 (or multiply by the reciprical) then add 273.15.
K=5/9(F-32)+273.15

3 0

3 years ago