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Olin [163]
3 years ago
11

Rachel surveyed her friends on the number of siblings each one had. Her results are shown in the table below.

Mathematics
2 answers:
Lynna [10]3 years ago
4 0
It is A. a bar of graph
NeTakaya3 years ago
3 0
A. a bar graph because to help display the number of siblings her friends had.
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ioda

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45

Step-by-step explanation:

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2 years ago
Explain how solving $2x<-8$ is different from solving $-2x<8$ .
miv72 [106K]

Answer:

When we divide by a negative value, the sign for the inequality changes.

Step-by-step explanation:

2x < -8, to solve we would divide by 2 and receive x < -4. However, in solving -2x < 8, we would divide by negative 2, which would result in x > -4. Clearly, these sequences provide opposite answers and that is a rule to inequalities, that when dividing by a negative number, we must flip the less than/greater than sign.

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2 years ago
The bottom and top of a box are rectangles twice as long as they are wide. Find the volume of the box if it is four feet high an
Sav [38]

Let x = the width

then

2x = the length

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The box dimensions: 2x by x by 4

Given the surface area:

2(2x*x) + 2(2x*4) + 2(x*4) = 220

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A quadratic equation:

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simplify, divide by 4

x^2 + 6x - 55 = 0

Factor

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The positive solution is what we want here:

x = 5 ft is the width

then

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3 years ago
What multiplier would you use to decrease a value by 44%
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Answer:

I think the answer is4k3+0 or 4

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Having serious block because of the units The density of mercury is 13.6 g/cm3. What approximate mass of mercury is required to
mart [117]
I would approach the problem like this:

1 oz bottle.............................30cm^3
33 oz bottle.............................xcm^3

in a 33 oz bottle will be x=33*30=990cm^3
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m= 13.6 * 990=13464 g
or 13.464 kg in a 33 oz bottle
3 0
2 years ago
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