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Harrizon [31]
3 years ago
5

Expand 3a(2b+c) .............​

Mathematics
1 answer:
777dan777 [17]3 years ago
4 0

Answer:

We know that the distributive property says this:

a(b+c) = ab + ac

If we apply this to our case, we can put

3a(2b+c) = 3a * 2b + 3a * c

When we multiply numbers and letters, we should multiply both of them:

3a * 2b + 3a * c = 3*2*a*b + 3*a*c = 6ab +3ac

We can use this when we find a number multiplied by a parenthesis..

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Which is the greatest of these rational numbers?
mrs_skeptik [129]

Answer:

19/25

Step-by-step explanation:

Convert the two fractions into decimals by dividing the numerator by the denominator. 19/25 = 0.76 and 5/20 = 0.25

Now you have: 0.76, 0,680, 0.33 and 0.25.

0.76 is the greatest rational number because it is closest to 1.0, making 19/25 the correct answer.

6 0
4 years ago
Write a word problem for 3+(4x12)
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Marty went to the store he bought M&M's and there were that were in rows of 12 and 4 in each row. he sees a smaller pack with four in one.How many M&M's does Marty have.Explain your answer
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3 years ago
PLEASE HELP. WILL GIVE BRAINLIEST<br> Simplify 7(A - 6).<br> A - 6<br> 7A - 42<br> 7A - 6
borishaifa [10]
Your answer will be 7A - 42.
I hope this helps!
8 0
3 years ago
Read 2 more answers
Select the correct answer from each drop-down menu.
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4 0
2 years ago
A spice store charges $2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order
Whitepunk [10]

Answer:

Part a) The expression is 3.2445x

Part b) Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

Step-by-step explanation:

<u><em>The complete question is</em></u>

A spice store charged 2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order.

Part a)  Write and simplify an expression to determine the cost of buying and shipping x ounces of paprika. Use 1 ounce = 28 grams

Part b) Can a customer buy 2.5 ounces of paprika and have it shipped for less than 8.00? Explain

step 1

Convert grams to ounces

Remember that

1\ oz=28\ g

To convert grams to ounces divide by 28

25\ g=25/28= 0.89\ oz

The unit price is

2.75/0.89=3.09\frac{\$}{oz}

Let

x ----> the number of ounces of paprika

y ----> the cost of buying and shipping x ounces of paprika

5%=5/100=0.05

y=3.09x+(3.09x)0.05\\y=3.09x[1+0.05]\\y=3.2445x

Part b) For x=2.5 oz

substitute in the equation

y=3.2445(2.5)=\$8.11

\$8.11 > \$8.00

therefore

Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

6 0
3 years ago
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