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Readme [11.4K]
3 years ago
9

Pls help I’m begging

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

3:1 and 15:5

Step-by-step explanation:

Not too sure

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If f(x) is differentiable for the closed interval [-4, 0] such that f(-4) = 5 and f(0) = 9, then there exists a value c, -4 <
WITCHER [35]
<span>Mean value theorem

For f:[a,b] \rightarrow \mathbb{R} exist c \in (a,b) such that 

f'(c)=\dfrac{f(b)-f(a)}{b-a}


f'(c)=\dfrac{f(-4)-f(0)}{-4-0}=\dfrac{5-9}{-4}=\dfrac{-4}{-4}=\boxed{1} </span>
3 0
3 years ago
Kenny wants to learn how to serve overhand in volleyball. When he practiced yesterday, he made 7 serves over the net for every 2
Yakvenalex [24]

Answer: 28

Step-by-step explanation:

Given

Kenny made 7 serves over the net for every 2 serves that did not go over the net i.e. success rate of Kenny is

\Rightarrow \text{success rate}=\dfrac{7}{2+7}\times 100=\dfrac{700}{9}\%

for 36 serves, applying the same success rate, it is

\Rightarrow \text{success rate}=\dfrac{700}{9}\times\dfrac{1}{100}\times 36=28

Serves that did not make over the net is 36-28=8

Thus, Kenny will make 28 serves that make over the net

8 0
3 years ago
The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long
Fynjy0 [20]
Find the total area of the room
109 * 103 = <span>11227 inches^2
the tile takes up 3*3 = 9 inches^2
11227/9 = </span><span>1247.4
You need 1247 tiles and 0.4 of a tile.
Or you could just get 1248 and cut the last tile a bit :P

Hope this helps :)</span>
4 0
3 years ago
Read 2 more answers
I need help asap!!!! (this is for a friend of mine they needed help with a math problem!!!)
zhenek [66]

Answer:

Im pretty sure the answer is 68, but I could be wrong...

4 0
3 years ago
Given 4x − 8y = 8:
siniylev [52]
4x - 8y = 8
8y = 4x - 8
y = 1/2 x - 1

slope: 1/2
y-intercept:(0, -1)

Line perpendicular- negative reciprocal slope

y-(-1) = -2 (x-0) Hahaha I don't know what is the point slope form though hahaha not sure with this.
3 0
3 years ago
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