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2 years ago

The figure shows the dimensions of a backyard

Mathematics

2 answers:

Ulleksa [173]2 years ago

8 0

Answer:

570yd^2

step by step:

Split the backyard into 2 different rectangles and add the areas together. I did 8x30 and 15x22.

max2010maxim [7]2 years ago

5 0

Answer: 570yd^2

Explaining: The area can be found by using the base and the height. Fist I will split the figure into two piece to make it easier to find. The first piece is solved by 30•15=450. The second figure can be solved by 8•15=120. Now add the total numbers together and you get 570yd^2

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Step-by-step explanation:

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3 years ago

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2 years ago

roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz. which best describes the percent of increase in

laila [671]

The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.

Step-by-step explanation:

The given is,

Roberto score on math quiz at last week is 74

This week he made an 85 on the quiz

Step:1

Formula to calculate the percentage of increase the score,

$Percentage of increase = \frac{Final score-Starting score}{Starting score}$ × 100...........(1)

From the given,

Final score = 85

Starting score = 74

Equation (1) becomes,

$Percentage of increase =( \frac{85-74}{74})$ × 100

= $(\frac{11}{74})$ × 100

= 0.1486486 × 100

= 14.86486 %

≅ 14.87 %

Percentage of increase = 14.87 %

Result:

The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.

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