3 years ago

What is the maximum for f(x)= 625-16x^2

Mathematics

1 answer:

Dominik [7]3 years ago

4 0

The maximum is x=3.42

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Find four consecutive integers with a sum of 106.

grandymaker [24]

4 consecutive integers...
x, x + 1, x + 2, x + 3

x + x + 1 + x + 2 + x + 3 = 106
4x + 6 = 106
4x = 106 - 6
4x = 100
x = 100/4
x = 25

x + 1 = 25 + 1 = 26
x + 2 = 25 + 2 = 27
x + 3 = 25 + 3 = 28

ur 4 integers are : 25,26,27,28

6 0

2 years ago

Can someone walk me through the steps: Steve increases his math average by 9 points over a period of 15 weeks. How many points p

ozzi

hmmm units rates are just a matter of one above the other.

in this case is points/week.

9/15 points/weeks, we can just divide 9 ÷ 15 = 0.6, or 3/5.

so 0.6 points/weeks.

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3 years ago

8th grade khan academy

satela [25.4K]

Answer:

d = 11t - 20

Step-by-step explanation:

Hope it helps and have a great day! =D

~sunshine~

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2 years ago

What does m equal in this equation? <br> 5m+2(m+1)=23

barxatty [35]

5m+2m+2 = 23
7m=21 , So:: m=21:7
m=3

8 0

2 years ago

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If x+y=6 and xy =2find x³+y³(please help me fast with explanation also please) T^T

Maurinko [17]

Answer: x³+y³=180

Step-by-step explain: let's remember the formula x³+y³=(x+y)(x²-xy+y²) and also x³+y³=(x+y)³-3xy(x+y) then $\displaystyle\boldsymbol{ x^3+y^3=\underbrace{(x+y)^3}_{6}-3\underbrace{xy}_{2}\underbrace{(x+y)}_6}=\\\\6^3-3\cdot 2\cdot 6=216-36=180$

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3 years ago