2 years ago

What is the RANGE of the graph?

Mathematics

1 answer:

larisa [96]2 years ago

3 0

Answer: the third one

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Hi guys my little brother needs help to Do his homework And I’m doing mine so I can’t help him can anyone help plzz

alukav5142 [94]

The answer is 91.77

22.89 x 2 =45.78

45.78 + 45.99 = 91.77

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3 years ago

Evaluate the following for x = 5 and y=4. 79 - 4x

notka56 [123]

The answer is 59. First you multiply 4 by 5 (20), then subtract 20 from 79 (59).

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3 years ago

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Which choice is equivalent to √10*√5? A. 5√2 B. 25√2 C. 5√10 D. 2√5

DanielleElmas [232]

Answer: $5\sqrt{2}$

Step-by-step explanation:

$\sqrt{10} *\sqrt{5} =\sqrt{50} =\sqrt{2*5*5} =5\sqrt{2}$

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3 years ago

Cna i get some help with dis plz

Tomtit [17]

Let $b_1,b_2,\ldots,b_{20}$ be the 20 marks of the boys, and $g_1,g_2,\ldots,g_{10}$ be the 10 marks of the girls.

We know that the global mean was 70, meaning that

$\dfrac{b_1+b_2+\ldots+b_{20}+g_1+g_2+\ldots+g_{10}}{30}=70$

Multiplying both sides by 30 we deduce that the sum of the scores of the whole classroom is

$b_1+b_2+\ldots+b_{20}+g_1+g_2+\ldots+g_{10}=2100$

By the same logic, we work with the marks of the boys alone: we know the average:

$\dfrac{b_1+b_2+\ldots+b_{20}}{20}=62$

And we deduce the sum of the marks for the boys:

$b_1+b_2+\ldots+b_{20}=1240$

Which implies that the sum of the marks of the girls is $2100-1240=860$

And finally, the mean for the girls alone is

$\dfrac{860}{10}=86$

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3 years ago

I don’t get how to do this answer it’s sooo confusing

zalisa [80]

The answer is Option B. It would be cheaper for Miguel to drive 200 miles with Option B than Option A.

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3 years ago

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