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3 years ago

11

Which of the following statements demonstrates the associative property of multiplication? A. 4. (3x6) = (4 x 3) · 6. B 6x4 = 4x

6. C -3 x 1 = -3. D 2(24) = 2(20 + 4)

1 answer:

scoray [572]3 years ago

6 0

I hope this helps but it is either d or a because parentheses and another term for multiplication and so is a dot

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Jack and Jim went biking. Jack biked for 5 1/3 hours with average speed 12 1/2 miles per hour. Jim traveled exactly 1 1/5 as far

ahrayia [7]

Given that Jack biked for $5 \frac{1}{3}$ hours with an average speed of $12 \frac{1}{2}$ miles per hour.

The distance travelled by Jack is given by

$d=speed\times time \\ \\ =12 \frac{1}{2}\times5 \frac{1}{3}= \frac{25}{2} \times \frac{16}{3} \\ \\ = \frac{200}{3} =66 \frac{2}{3} \ miles$

Given that Jim travelled exactly $1 \frac{1}{5}$ as far as Jack did, then the distance Jim travelled is given by

$d=1 \frac{1}{5} \times66 \frac{2}{3} \\ \\ = \frac{6}{5} \times \frac{200}{3} =80$

Therefore, the length of Jim's journey is 80 miles.

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3 years ago

11. please help me outt ill mark you brainlist !

alex41 [277]

I’m not positive, but I think the answer is C because when you look at the big triangle, it looks like you divide each coordinate by 3 (or multiply it by 1/3) to get the small triangle.

e.g. 6 * 1/3 = 2, 3 * 1/3 = 1

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3 years ago

anyanavicka [17]

Answer: 4/5

Step-by-step explanation:

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3 years ago

Need help ASAP!!!!!!!

Temka [501]

D

Step-by-step explanation:

2/6 is litterally right there cause it has seven lines and tge 0 doesnt count

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3 years ago

Plzzz helppp giving brainiest to the first one

aniked [119]

Answer:

Arsenic-74-is used to locate brain tumors. It has a half-life of 17.5 days. ... C. Find the amount remaining after 6 days from a 90-mg sample

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2 years ago

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