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3 years ago

6j+8j+(5+5) Use the distributive property

Mathematics

1 answer:

vova2212 [387]3 years ago

5 0

Hello!

Answer:

$\boxed{14j+10}$

Step-by-step explanation:

Distributive property: →→ a(b+c)=ab+ac

Order of operations stands for:

↓

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

*Left to right*

Please Excuse My Dear Aunt Sally!

First, you remove parenthesis.

6j+8j+5+5

Then, you add by the numbers from left to right.

6+8=14

14j+5+5

5+5=10

<u><em>14j+10 is the final answer.</em></u>

Hope this helps!

Have a nice day! :)

-Charlie

Thanks!

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Answer:

Number of push up = 8 + 2x

Step-by-step explanation:

Keenan can do 8 push ups each day. He plans to do 2 extra day until he is doing 30 push ups. Each day he does an additional 2 push up, on the first day he does 8 + 2 = 10 push up, on the second day he does 10 + 2 = 12 push ups. This can be represented by the expression:

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3 years ago

A store sells both cold and hot beverages. Cold beverages cost $1.50, while hot beverages cost $2.00. On Saturday, drink receipt

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Answer:

The number of hot beverages = 45 and number of cold beverages = 180

Step-by-step explanation:

We have to write the equation of hot and cold beverages and find how many of each were sold.

Cost of cold beverage = $1.50

Cost of hot beverage = $2.00

The total cost of beverages on that day totaled to be $360.

We are also told that the number of cold beverages sold is 4 times as many hot beverages.

Let number of hot beverages = x

Cold beverages = 4x

Total cost = $360

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8x = 360

x = $\frac{360}{8}$

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4 years ago

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3 years ago

The average of 5 quiz grades is 10. When the lowest grade is dropped and the new average is calculated, it turns out to be 11. W

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Answer:

The score of the dropped grade is 6

Step-by-step explanation:

To find the average of a set of numbers you need to add all the numbers and divide by how many numbers there are. The problem wants you to solve it in reverse. Let put this into an algebraic equation with a, b, c, d, and e being the variables of the test scores

(a+b+c+d+e)/5=10

Then we can multiply both sides by 5 and get

a+b+c+d+e=50

Lets assume that c is the lowest test score. To calculate the average of that we get

a+b+d+e/4=11

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Now compare the two:

a+b+c+d+e=50

a+b+d+e=44

We can now know that c=50-44=6

So, 6 is the score of the dropped quiz. Hope that helped!

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3 years ago

What is the area when radius=2.6in

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Answer:

Hope this helps!

Step-by-step explanation:

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