Multiplying a number by 2 and then dividing by 3 is the same as multiplying by what number?

Felipe is saving money for a class trip. He already has saved \$250$250dollar sign, 250 that he will put toward the trip. To sav

grin007 [14]

Answer:250+350m=270 because he adds 250 and each monthhe keeps constantly adding 350 dollars so this equation will help you answer your question hope iit helps

7 0

4 years ago

noah goes to the store with $40 .he spend 38.60 on 13 bags of popcorn. how much one bag of popcorn cost ?

Minchanka [31]

Each bag of popcorn will be at least 2.97
2.97x13=38.61

5 0

4 years ago

Kamila has a rectangular lawn that measures 80 by 150 feet. She wants to lay gravel made from colored rock in a border, 6 feet w

alex41 [277]

Answer:

1)Diagram attached

2)8424

3)1404

4)1569

Step-by-step explanation:

1)

Diagram is attached

2)

How many square feet of the gravel will surround the lawn:

Converting yards into feet:

1 yard =3 feet

So 80 yard =80(3) feet

=240 feet

and 150 yard =150 (3) feet

=450 feet

Area of rectangle is given by :length X width

Area of the outer border = (6+ 240+ 6 ) (6+ 450+6)

= 252 X 462

= 116424

Area of the lawn = 240 X 450

= 108000

Area of gravel border = 116424 - 108000

= 8424

Area of gravel border is 8424 ft^2

3)

Total volume when depth is 2 inches:

converting inches to feet:

1 inch= 0.083 feet

2 inches =0.1667 feet

volume = base area X depth

=8424 X 0.1667

= 1404

total volume of gravel needed for the border is 1404 ft^3

4)

Given:

A large bag of colored rock contains 5/8 of a cubic yard and costs $30

total cost of the rocks needed for the border=?

1 cubic yard = $30

converting cubic yard to cubic feet

1 cubic yard=27 cubic feet

cost of 1 cubic yard= cost of 27 cubic feet = $ 30

cost of 1 cubic feet=30/27

cost of 1404 cubic feet= 1404 X 30 / 27

= 1560

the total cost of the rocks needed for the border is $1560!

8 0

4 years ago

A researcher investigates if chocolate affects mood. She recruits college students to take a mood inventory, ingest a quarter po

Nookie1986 [14]

Answer:

A) Reject the null hypothesis and conclude that chocolate affected mood because zero, or no effect, does not fall within the confidence interval

Step-by-step explanation:

The confidence interval could be used as a tool to test an hypothesis on a some certain conditions. When we obtain a confidence interval whose range includes the value 0, we would fail to reject the null hypothesis of such analysis as this upholds the truth of the null hypothesis. However, if the interval does not contain the value 0, we reject the null and claim that there is significant evidence to accept the alternative hypothesis.

Hence, for the confidence interval given [2.34, 5.41], the interval does not contain the value 0, Hence, we reject the null.

7 0

3 years ago

(Someone deleted this question) HIgh points

vlabodo [156]

<em>Hello ~</em>

<em />

My name is Irxdscent, and I will be answering your question today! :D

<h2> → <u>Answer :-</u></h2>

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The expressions are not equivalent even though Ella got the same result when she substituted zero for f.

<h2>→ <u>Explanation :-</u></h2>