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lutik1710 [3]
3 years ago
10

Which of the following expressions are equivalent

Mathematics
1 answer:
Anika [276]3 years ago
3 0

Answer:

A and B

Step-by-step explanation:

A and B are the correct options

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150 adults complete a survey 80 are women the ratio of men and women in its simplest form
zavuch27 [327]

Answer:

Step-by-step explanation:

150 - 80 equals 70

70:80 = 7:8

please give me brainliest, I'm going to cry if you don't >:(

7 0
3 years ago
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How could you double the volume of the tent just by doubling just one of its dimensions?
Vsevolod [243]
V=B*h

To double the volume , we have to double the height

then V2=B*2h=2*V
7 0
3 years ago
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Find the values of m and b that make the following function differentiable.
KengaRu [80]

f(x)=\begin{cases}x^2&\text{for }x\le2\\mx+b&\text{for }x>2\end{cases}

In order to be differentiable everywhere, f must first be continuous everywhere, which means the limits from either side as x\to2 must be the same and equal to f(2). By definition, f(2)=2^2=4, and

\displaystyle\lim_{x\to2^-}f(x)=\lim_{x\to2}x^2=4

\displaystyle\lim_{x\to2^+}f(x)=\lim_{x\to2}(mx+b)=2m+b

so we need to have 4m+b=4.

For f to be differentiable at x=2, the derivative needs to be continuous at x=2, i.e.

\displaystyle\lim_{x\to2^-}f'(x)=\lim_{x\to2^+}f'(x)

We then need to have

\displaystyle\lim_{x\to2}2x=\lim_{x\to2}m\implies\boxed{m=4}

Then

2m+b=4\implies\boxed{b=-4}

7 0
3 years ago
I GIVE BRAINLILEST
stich3 [128]

Answer:

96 kilograms

Step-by-step explanation:

32x3=96 just trust me I don'T know how to explain

6 0
3 years ago
Mrs. Alberts has taught seventh grade math for thirty years. Every year she calculates and records the class average on the fina
sdas [7]

Answer:

2

Step-by-step explanation:

89.633333333333

Mean Absolute Deviation (MAD): 2.0755555555556

rounding these both you get 90 and 2.

5 0
4 years ago
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