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saw5 [17]
2 years ago
12

X^2+4/2 when x =-2 giving brainliest

Mathematics
2 answers:
Nikolay [14]2 years ago
7 0

Answer:

6

Step-by-step explanation:

-2^2+4/2 expoenments first then divide then add them together

alukav5142 [94]2 years ago
5 0

Answer:

When x = -2 in (x² + 4)/2, 4 is the result.

Step-by-step explanation:

(x² + 4)/2

Substitute value into varaible.

((-2)² + 4)/2

Square -2. Remeber that (-x)² = x²

(4 + 4)/2

Add 4 and 4.

8/2

Divide 8 by 2.

4

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3/7=h/14-2/7<br> solve for h
Rufina [12.5K]
3/7 + 2/7 = 5/7
5/7 = h/14
5/7 x 2 = 10/14
10/14 = h/14
h = 10
7 0
3 years ago
Read 2 more answers
a rectangular prism has a volume of 144 cm3. the base is a square with a length of 4 cm. what is the height of the prism
frutty [35]

Answer:

9 cm

Step-by-step explanation:

The volume is given by the formula ...

V = LWH

Filling in the given numbers, you have ...

144 cm^3 = (4 cm)(4 cm)H

H = (144 cm^3)/(16 cm^2) = 9 cm

The height of the prism is 9 cm.

4 0
4 years ago
If y = 7x, what happens to x when y is increased by 5 times its original value?
liberstina [14]

Answer:

C) x also increases 5 times its original value

35/5=7

70/10=7

Step-by-step explanation:


5 0
3 years ago
About 2% of the population has a particular genetic mutation. 600 people are randomly selected. find the standard deviation for
AnnyKZ [126]
The standard deviation is 0.4801.

To find the standard deviation we use the formula:

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Using this, we have:
s = √600(0.02)(1-0.02) = √600(0.02)(0.98) = 0.4801.
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3 years ago
Wv^2 / Fg = r
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