4 years ago

What’s the problem??

1 answer:

4 0

https://www.khanacademy.org/math/ap-statistics/analyzing-categorical-ap/stats-two-way-tables/v/two-way-relative-frequency-tables

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Explain how to do this problem in steps and include answers as well

vlabodo [156]

$8(4x - 5)-12=20x-10$

$32x - 40-12=20x-10$

$32x -52=20x-10$

$32x -52 -20x=-10$

$12x -52=-10$

$12x =-10 +52$

$12x =42$

$x= \frac{42}{12}$

$x = \frac{7}{2}$

$x=3 \frac{1}{2}$ ≈ 3.5

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4 years ago

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Which BEST DESCRIBES 3y + 2x + 18?

Vesnalui [34]

Answer:

C)is an expression because it cannot be solved

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3 years ago

There are 500 passengers on a train.

-Dominant- [34]

7/20 = 0.35 = 35%=500x.35 =170 men
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3 years ago

In a chalk. If the carbon piece weighs 3g. What is the weight of the chalk?

Whitepunk [10]

Answer: the weight of chalk stick is 25 g

Step-by-step explanation:

Quantity of Carbon in chalk stick = 3 g Let the weight of chalk be x g.

12%of x =3

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3 years ago

Martina finished her chemistry assignment in 2/5 hours. Then she completed her math assignment in 1/4 hrs. What was the total am

JulsSmile [24]

$\text {Total time spent :}$

$\dfrac{2}{5} + \dfrac{1}{4}$

$= \dfrac{2 \times 4}{5 \times 4} + \dfrac{1 \times 5}{4 \times 5}$

$= \dfrac{8}{20} + \dfrac{5}{20}$

$= \dfrac{13}{20} \text { hour}$

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3 years ago