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3 years ago

using what you know about percents,explain why a commercial that says"80% of dentists use this toothpaste"might be misleading?

1 answer:

6 0

There are many dentists in the world and it wold be hard to count the amount of dentists that use the toothpaste. Also, there are many brands of toothpaste and it would would be doubtful that “80%” of dentists would use the same one.

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What is the first step in solving the equation 3.5 n + 6.4 = 42.5?

miss Akunina [59]

I would add like terms, meaning subtract 6.4 from both sides.

3.5n = 36.1

7 0

3 years ago

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Solve each problem using a formula for perimeter or area<br> ill give brainliest!!!!!

Karolina [17]

Answer:

12) s= $\frac{p}{5}$

13) A=wh

14) p=a+b+c

15) A= $\frac{bh}{2}$

16) p-b-c=a

Step-by-step explanation:

12) $\frac{p}{5} =\frac{5s}{5}$

13) $\frac{A}{h}$ =W (multiply both sides by h)

14) take c to the other side of the equation( other side of the equal sign) it becomes a positive value

15) Divide both sides by 2

16) take b + c to the other side of the equation where it becomes -b-c

3 0

3 years ago

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3. Which name does not apply to the angle pair?

Ede4ka [16]

C.supplementary is the right one

4 0

3 years ago

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Find the slope of the line passing through the points (-5,3) and (-7,5).

Alekssandra [29.7K]

Step-by-step explanation:

points (-7,5) and (5,-3)?

This would mean to subtract the y coordinates:

5 - (-3) = 8

Then subtract the x coordinates in the same order:

-7 - 5 = -12

Then divide the y result by the x result for the slope:

8/-12 is the slope.

In simplest form, this is equivalent to -2/3

4 0

2 years ago

Evaluate the expression for x = 3, y = 1/3 , and z = 5.<br><br> 12x − 3y / 4x − z

bixtya [17]

Answer:

30.25 in decimal form

30 1/4 in fraction form

Step-by-step explanation:

12(3) − 3(1/3) / 4(3)− (5) = 30.25 or 30 1/4

8 0

2 years ago

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