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2 years ago

15.6°F in 13 minutes

Mathematics

2 answers:

Scrat [10]2 years ago

7 0

15.6 in 13 minutes? are you asking how it got to 15.6 in 13 minutes?

KIM [24]2 years ago

3 0

Answer:

1.2 degree Fahrenheit per minute.

Step-by-step explanation:

We are supposed to find the unit rate for 15.6°F in 13 minutes.

To find the unit rate for our given scenario, we will divide 15.6 by 13 as:

$\text{Unit rate}=\frac{15.6^{\circ}F}{13\text{ min}}$

$\text{Unit rate}=\frac{1.2^{\circ}F}{\text{ min}}$

Therefore, our required unit rate would be 1.2 degree Fahrenheit per minute.

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A contractor has at most $42 to spend on nails for a project. Finishing nails cost $0.45 per pound and common nails cost $0.60 p

mojhsa [17]

Question:

A contractor has at most $42 to spend on nails for a project. Finishing nails cost $0.45 per pound and common nails cost $0.60 per pound. He would like to purchase at least 30 pounds of nails total. Write a system of linear inequalities

Answer:

The system of linear inequalities are:

$x + y\geq 30\\\\0.45x+0.60y\leq 42$

Solution:

Let "x" be the pounds of finishing nails

Let "y" be the pounds of common nails

Given that,

He would like to purchase at least 30 pounds of nails total.

"at least" means that he can purchase 30 pounds or more than 30 pounds also

So, we have to use "greater than or equal to" symbol

$x + y\geq 30$

From given,

Cost of 1 pound of finishing nail = $ 0.45

Cost of 1 pound of common nail = $ 0.60

A contractor has at most $42 to spend on nails for a project

"at most" means he can spend 42 or less than 42

So we have to use " less than or equal to" symbol

Thus we frame a inequality as:

$x \times 0.45 + y \times 0.60\leq 42\\\\0.45x + 0.60y\leq 42$

Thus the system of inequalities are:

$x + y\geq 30\\\\0.45x+0.60y\leq 42$

4 0

2 years ago

Malcolm buys a 5/6 pound of black beans and a 3/4 pound bag of pinto beans. How many pounds of beans does Malcolm buy in all?

artcher [175]

Answer:

1 7/12

Step-by-step explanation:

5/6+3/4=10/12+9/12 = 19/12 or 1 7/12

4 0

1 year ago

If john can drink one barrel of water in 6 days, and mary can drink one barrel of water in 12 days, how long would it take them

krek1111 [17]

Hello,

A good first step to take would be to calculate how much of a barrel John and Mary can drink together in 1 day.

If John can drink 1 barrel in 6 days, then every day he can drink 1/6 of a barrel.
If Mary can drink 1 barrel in 12 days, then every day she can drink 1/12 of a barrel.

Every day, the total that John and Mary can drink will be (1/6) + (1/12) = (1/4) of a barrel.

If we want to know how many days it will take for them to drink 1 barrel of water together, and they drink 1/4 of a gallon every day, we do

(1) / (1/4) = 1 * (4/1) = 4 days

It will take 4 days for John and Mary to drink 1 barrel together.

Hope this helps!

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2 years ago

ted bought 1 box of whistles 1 box of streamers and 1 box of stickers how many party favors did he buy in all show your work

EleoNora [17]

1+1+1=3 I hope that helps

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2 years ago

Read 2 more answers

What is 24x^2y^6-16x^6y^2+4xy^2 divided by 4xy^2?

sertanlavr [38]

24x^2y^6-16x^6y^2 = 8y^4x^4 +4xy^2

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