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3241004551 [841]
3 years ago
5

40 points!

Mathematics
2 answers:
marusya05 [52]3 years ago
7 0
I totally agree with the person below me said I think that is a decent anwser and that’s something I would say also so yes that is correct .
Alik [6]3 years ago
4 0

Answer:

Trapezoid: So basically to find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

Rectangle: To find the area of a rectangle, multiply the length by the width. The formula is: A = L * W where A is the area, L is the length, W is the width, and * means multiply.

Circle: The area of a circle is pi times the radius squared (A = π r²).

Triangle: To find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles.

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Answer:

7(4)-7

28-7

21

Step-by-step explanation:

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3 years ago
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azamat

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A recipe calls for 3 ounces of flour for every 2 ounces of sugar. Find the constant of proportionality
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3 years ago
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I need help please.
RoseWind [281]

Answer:

14y^3 - 10a^2b^2 - 15

Step-by-step explanation:

14y^3 - 5 + 7a^2b^2 - 10 - 17b^2a^2

14y^3 + 7a^2b^2 - 17b^2a^2 - 5 - 10

14y^3 - 10a^2b^2 - 15

8 0
3 years ago
A phone survey has a margin error of +/– 4%. What is the range of number of people who will vote for the other candidate if 87 o
expeople1 [14]

Answer:

The range of people who voted for other person = 7266 to 7872

Step-by-step explanation:

A phone survey has a margin error of +/– 4%. The range of number of people who will vote for the other candidate if 87 of 114 people said they would vote for the other person.

We get the percentage from this ,

Percentage = \frac{87}{114} \times 100 = 76.3 %

Border percentages = 72.3 and 80.3% (Since error = 4%)

We have already taken vote of 114 people so remaining = 9804

Lower end = 0.723 \times 9804 =  7266

Upper end = 0.803\times 9804 = 7872

Hence the range = 7266 to 7872

8 0
3 years ago
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