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Rzqust [24]
3 years ago
9

What is the area of this figure

Mathematics
2 answers:
kobusy [5.1K]3 years ago
5 0
I think 20 hope that helps
kramer3 years ago
3 0
20 (I hope it helps you with it) have a good day
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Roy used 1/4 of his money on 3 pens and 6 notebooks. The cost of each pen is 3 times the cost of each notebook. He bought some m
cestrela7 [59]
<h3>Answer:  13 pens</h3>

=========================================================

Explanation:

Roy spends 1/4 of his money on 3 pens and 6 notebooks. That means 3/4 of it is leftover.

2/3 of 3/4 = (2/3)*(3/4) = 1/2 of his money is spent on buying some unknown number of additional pens. We'll come back to this later.

---------------

In terms of cost,

1 pen = 3 notebooks

which is another way of saying 1 pen is the same price as 3 notebooks.

Multiply both sides by 2 to get

2 pens = 6 notebooks

Therefore, saying "3 pens + 6 notebooks" is the same as "3 pens + 2 pens = 5 pens" when just thinking about costs.

---------------

In short, Roy buying 3 pens and 6 notebooks is the same as him buying 5 pens. He spends 1/4 = 25% of his money on getting these 5 pens.

Multiply those two values by 2 to find that 50% = 1/2 of his money would allow him to get 10 pens.

--------------

Recall that at the end of the first section, we concluded that Roy spent 1/2 of his money on buying those unknown additional number of pens. Then the previous section mentioned that 1/2 of his money gets him 10 pens. Therefore, he must have bought 10 additional pens on top of the original 3 mentioned in the instructions.

Overall, he purchased 3+10 = 13 pens

6 0
2 years ago
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Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the
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Y = x + 6

y has to be greater than or equal to 6
x has to be greater than or equal to 0
4 0
3 years ago
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Round this number to the nearest tenth.<br><br> 52.85
k0ka [10]

Answer:

52.9

numbers 0-4  the number stays the same

numbers 5-9 the number goes up one

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3 years ago
Natasha is observing the growth of a population of bacteria. She started out with 250 bacteria cells. The population of bacteria
maxonik [38]
Y = 250 × 4x ... I think, I might be wrong.
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3 years ago
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Ann made a scale drawing of a theater. The scale she used was 1 inch : 7 feet. The stage is
hjlf

Answer:

  • 4 in

Step-by-step explanation:

<u>Use ratios and solve:</u>

  • 1 in ÷ 7 ft = x in ÷ 28 ft
  • x = 28/7 in
  • x = 4 in
4 0
2 years ago
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