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2 years ago

PLEASE HELP ASAP #12!!!

Mathematics

2 answers:

Brums [2.3K]2 years ago

7 0

All you have to do is add up all of the sides.
then once you have X, for part 2 all you need to do is replace X with 4 and then solve

Helen [10]2 years ago

4 0

Just substitute 4 for the x value.

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A bag of lollipops contains red lollipops and purple lollipops. 80% of the lollipops in the bag are red. A number generator simu

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Answer:

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2 years ago

Read 2 more answers

Find the percent change to the nearest whole percent. from 45 feet to 95 feet.

VMariaS [17]

Answer:

211%

Step-by-step explanation:

To calculate the percentage change between these two numbers we need to divide the end result from the initial starting point. Once we do this we need to multiply the product by 100 to get the percentage value.

95 / 45 = 2.11111

2.11111 * 100 = 211.11%

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2 years ago

Which expression is equivalent to - 2/5(x+0.8) + 1/50?

Rudik [331]

Answer:

-0.4x - 0.30 or $-\frac{2}{5} - \frac{3}{10}$

Step-by-step explanation:

Change all the fractions to decimals.

-2/5 = -0.4 Distribute that over x and 0.8 1/50 = 0.02

you get -0.4x -0.32 + 0.02

Change all the decimals to fractions.

0.8 is 8/10 so -2/5 times 8/10 is -16/50

-2x/5 - 16/50 + 1/50 add or subtract the fractions to get -15/50 Then reduce (÷5)

-2x/5 - 3/10

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3 years ago