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3 years ago

10(3x - 2y) = Help meee

Mathematics

2 answers:

mariarad [96]3 years ago

8 0

The answer is 30x - 20y.

Reason: distributive property

lesya [120]3 years ago

4 0

Answer:

30x−20y

Step-by-step explanation:

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Jenny is making a toilet cleaner from vinegar and water in the ratio of 1 : 5. She starts by mixing 4.5 cups of water with 7 cup

blsea [12.9K]

Answer:

She need need 0.5 more cups of water.

Step-by-step explanation:

If you do 5 - 4.5 it will equal 0.5.

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3 years ago

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shusha [124]

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3 years ago

I don’t know # 6 and #8 plz help

aalyn [17]

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3 years ago

Vocabulary Drag the words to show how theoretical probability and experimental probability differ. Each word may be used only on

allsm [11]

Answer:

Theoretical --- probability is based on expected or calculated results.

Experimental --- probability is based on the actual recorded results of an experiment.

Step-by-step explanation:

Theoretical assumptions are those hypotheses not proven to be real, whose probabilities of materializing depend on the future confirmation of the premises established. Thus, these theories are established based on different experiences and previous situations, or based on data still not scientifically proven.

Instead, the experimental results are those that have already been confirmed based on tests, tests and experiments that affirm or deny the previously established theories.

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3 years ago

Solve. Check that your answer is reasonable. Paula's painting has a perimeter of 1.22 meters. She wants to put ribbon around the

iren2701 [21]

Answer:

5 pieces

Step-by-step explanation:

Given:

Paula's painting has a perimeter of 1.22 meters.

She wants to put ribbon around the edge.

If the ribbon comes in pieces that are 25 centimeters long.

Question asked:

How many pieces of ribbon does she need to go all the way around her painting?

Solution:

Perimeter of painting = 1.22 meters

First of all we will convert it into centimeters:-

As we know:

1 meter = 100 centimeters

1.22 meters = 100 $\times$ 1.22 = 122 centimeters

Now, as given that ribbon comes in pieces of 25 cm long and total we should have 122 cm to go all the way around the painting.

Number of pieces of ribbon will be needed = $\frac{122}{25} =4.88\$

Thus, she need 5 pieces of 25 cm long ribbon to go all the way around the painting.

<u>Note</u>:-This is by default understood that few length of 5th ribbon will be left over.

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3 years ago