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2 years ago

13

At the bookstore, Tim bought a magazine for $4, and five books that all cost the same amount. He spent a total of $129. Which eq

uation expresses how much each book cost?

1 answer:

inn [45]2 years ago

7 0

Answer:

25(b) + 4 = 129

Step-by-step explanation:

b=5

25(5) + 4=129

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if 36 cookies cost $4.00 what is the unit rate in cookies per dollar. Using the same information what is the unit rate for 1 coo

pogonyaev

Answer:

9 cookies per dollar

Step-by-step explanation:

This is a fraction equal to

36 cookies ÷ 4 dollars

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 4

36 cookies ÷ 4

--------------------------

4 dollars ÷ 4

=

9 cookies

---------------

1 dollar

=

9 cookies

-----------------

dollar

= 9 cookies per dollar

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3 years ago

Marco created a table to help him represent the sample space of spinning a spinner and flipping a coin. Result of spin Result of

Svetradugi [14.3K]

The probability that the result is green - tail is 1/6.

Spinner has three colors that are red, green and yellow and coin has two sides that are head or tail.

<h3>What is the formula for probability?</h3>

Divide the number of events by the number of possible outcomes

The sample space is, ${(red - head; red - tail; green - head; green - tail; yellow - head; yellow - tail)}$ In total there are 6 ways to combine different colors with coin sides.

Therefore ,the probability that the result is green - tail is 1/6.

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5 0

2 years ago

The sum of two negative integers is always

vazorg [7]

Answer:

The sum of two negative integers is always negative.

Step-by-step explanation:

For example, add -1+-1 which =-2, which are the smallest neggative numbers possible.-100+-100=-200, and -4+-4=-8, so you see that the sum of two negative integers should always be negative.

7 0

2 years ago

Read 2 more answers

What is 7/10 equivalent to write the answer in fractions

Romashka [77]

7/10 is equivalent to 3.5/5 is one

8 0

2 years ago

I am about to get my homework done I just need these two. (Thank you if you answer!!)

AnnZ [28]

Answer:

$-7=h\\-6.81=q$

Step-by-step explanation:

For question #1:

$-3=h+8/2\\-3=h+4\\-7=h$

For question #2:

$q+16.41=9.6\\q=-6.81$

8 0

1 year ago