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vovangra [49]
3 years ago
10

Which expression best estimates. -18 1/4 ÷ 2 2/3 A. 18÷3 B. -18÷3 C.-18÷(-3) D. 18÷(-3)​

Mathematics
1 answer:
Volgvan3 years ago
3 0

Answer:

the amswer is d hope this helps

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The ratio of boys to girls in chorus is 2:5. If there are 42 students in the chorus how many are boys
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Answer:

What is the ratio of boys to girls in simplest form?

The ratio of boys : girls →4:5 so you have 4 boys and 5 girls making the whole count 4+5=9 in its simplest form. So to change the ratio proportion into fraction proportion we have: boys →49 of the whole

Step-by-step explanation:

6 0
2 years ago
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What is greatest common factor of 175 and 280
laila [671]

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The GCF of 175 and 280 is 35.

4 0
3 years ago
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A recent article in a university newspaper claimed that the proportion of students who commute more than miles to school is no m
Naddika [18.5K]

Answer:

The null hypothesis is H_0: p \leq x, in which x is the proportion tested.

The alternative hypothesis is H_1: p > x

Step-by-step explanation:

A recent article in a university newspaper claimed that the proportion of students who commute more than miles to school is no more than x.

This means that at the null hypothesis, we test if the proportion is of at most x, that is:

H_0: p \leq x

Suppose that we suspect otherwise and carry out a hypothesis test.

The opposite of at most x is more than x, so the alternative hypothesis is:

H_1: p > x

4 0
2 years ago
What is the equation of this graphed line?
cestrela7 [59]
First we find the slope by using the slope formula : (y2 - y1) / (x2 - x1)

slope = (y2 - y1) / (x2 - x1)
(0,7)....x1 = 0 and y1 = 7
(8,-2)...x2 = 8 and y2 = -2
now sub...pay attention to ur signs
slope = (-2 - 7) / (8 - 0) = -9/8

now we use y = mx + b
slope(m) = -9/8
u can use either of ur points...(0,7)...x = 0 and y = 7
now sub into ur formula and find b, the y int
7 = -9/8(0) + b
7 = b
so ur equation is : y = -9/8x + 7 <==
5 0
3 years ago
PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! <br> ILL GIVE 40 POINTS .
Crazy boy [7]

Answer:

between one and 6

Step-by-step explanation:

musrbe the answer

6 0
2 years ago
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