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3 years ago

You are having a movie marathon. Each movie lasts about 12 hours.

Mathematics

2 answers:

Finger [1]3 years ago

8 0

Answer:

48 hours or 2 days

Step-by-step explanation:

There are 4 movies

Each movie lasts 12 hours

4 x 12 or 12 x 4 equals 48

The marathon lasts 48 hours

Maslowich3 years ago

4 0

Answer:

Your movie marathon will last 6 hours.

Step-by-step explanation:

This question can be solved using a rule of three.

Each movie lasts hours. How much do 4 movies last?

1 movie - 1.5 hours

4 movies - x hours

x = 4*1.5 = 6

Your movie marathon will last 6 hours.

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Sarah would like to make a 6 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds of a mixture that is 80%

weeeeeb [17]

Answer: a. The system that models this situation is,

x + y = 6 , 8 x + 5 y = 36.

b. Solution is x = 2lb and y = 4lb

where x is the quantity of 80% of peanuts mixture mix with y quantity of 50% of peanuts mixture for making 60% of peanuts mixture.

Step-by-step explanation:

Let x quantity of 80% of peanuts mixture mix with y quantity of 50% of peanuts mixture for making 60% of peanuts mixture.

Then According to the question,

x + y = 6 --------- (1)

And, 80 % of x + 50 % of y = 60 % of 6

⇒ 0.8 x + 0.5 y = 3.6

⇒ 8 x + 5 y = 36 --------- (2)

Where equation 1) and equation 2) are the required equation which models the given situation.

Now, 8 × equation 1)

We get, 8 x + 8 y = 48 ----------(3)

equation (3) - equation (2)

we get, 3 y = 12

⇒ y = 4

By putting the value of y in equation (2)

we get, x = 2

Thus, he mixed 2 lb of mixture 80/20 and 4 lb of mixture 50/50 for making 6 lb of 50/50 mixture.

4 0

3 years ago

ANSWER ASAP!!!!!!!!!!

kogti [31]

Answer:

1.1221500000*10^-10

Step-by-step explanation:

7.4810^3= 7,481

1.5×10^6= 1500000

7,481*1500000=11,221,500,000‬

11,221,500,000‬= 1.1221500000*10^-10

5 0

3 years ago

Hey! Please help me

mafiozo [28]

Answer:

Exact: 10.08

To 1 decimal place: 10.1

Step-by-step explanation:

Just ask.

Hope this helps.

3 0

3 years ago

Please someone help me out!!!!!!!!!!

german

Answer:

Step-by-step explanation:

6 0

3 years ago

The rectangular prism is made of 8 cubes and has and edge length of 1/2 in, what is the volume

sashaice [31]

Hello!

To find the volume of the prism you first have to find the volume of a cube

To do this you use the equation

$V = a^{3}$

V is volume
a is side length

Put in the values you know

$V = \frac{1}{2}^{3}$

Solve

V = 0.125

Now to find the volume of the prism you multiply the volume of one cube by the amount of cubes in the prism

0.125 * 8 = 1

The answer is 1 cubic inch

Hope this helps!

4 0

4 years ago