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Hatshy [7]
3 years ago
15

Need help this is a hard concept for me

Mathematics
1 answer:
Marta_Voda [28]3 years ago
4 0

A not sure

Step-by-step explanation:

cant really see the paper

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Pls help me ill give brainliest <br><br> Do all 3 pls to get brainliest
olya-2409 [2.1K]

Answer:

16.) c. 2x²+7x-15

17.) c. y=\frac{4}{9}x+\frac{17}{9}

18.) D

Step-by-step explanation:

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6 0
3 years ago
Can someone plz help me on this thank you and please stop giving me links
Brilliant_brown [7]

Answer: 900π

Step-by-step explanation: To calculate the area of a circle, we do πr^2, where r is the radius. The radius is 30, so the answer is 900π.

Hope this helps!

4 0
2 years ago
Please help with geometry
prohojiy [21]

Step-by-step explanation:

the answer is:

x=180-90-70=20°

5 0
2 years ago
Volume with fractions<br><br> What is the volume of this rectangular prism? 1/2cm 1/2cm 3cm
Westkost [7]
.5x.5x3=.75


Answer: 75
hope this helps :)
7 0
2 years ago
Pls help asappppppp it is very important I need it pls
Volgvan

Given:

The graph of a proportional relationship.

To find:

The constant of proportionality, the value of y when x is 24 and the value of x when y is 108.

Solution:

If y is directly proportional to x, then

y\propto x

y=kx             ...(i)

Where, k is the constant of proportionality.

The graph of proportional relationship passes through the point (5,15).

Substituting x=5 and y=15 in (i), we get

15=k(5)

\dfrac{15}{5}=k

3=k

Therefore, the constant of proportionality is 3.

Substituting k=3 in (i) to get the equation of the proportional relationship.

y=3x              ...(ii)

Substituting x=24 in (ii), we get

y=3(24)

y=72

Therefore, the value of y is 72 when x is 24.

Substituting y=108 in (ii), we get

108=3x

\dfrac{108}{3}=y

36=y

Therefore, the value of x is 36 when y is 108.

5 0
3 years ago
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