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k0ka [10]
3 years ago
5

Type the correct answer in the box.

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0

Answer:

2(\frac{Area}{h} ) - b1 = b2

Step-by-step explanation:The formula for calculating the area of a trapezoid is the following.

Area = \frac{b1+b2}{2} * h

What we are asked to find is the formula for finding b2. We can do this by rearranging the Area formula and getting b2 by itself on one side.

Iteru [2.4K]3 years ago
3 0

9514 1404 393

Answer:

  b2 = 2A/h -b1

Step-by-step explanation:

The usual formula for the area of a trapezoid is ...

  A=\dfrac{1}{2}(b_1+b_2)h

We can solve this for b2:

  \dfrac{2A}{h}=b_1+b_2 \qquad\text{multiply by $\dfrac{2}{h}$}\\\\ \dfrac{2A}{h}-b_1=b_2 \qquad\text{subtract $b_1$}\\\\ \boxed{b_2=\dfrac{2A}{h}-b_1}

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3 0
2 years ago
Find the angle measure. It is not asking for X
MrMuchimi
<h3>Answer:   131 degrees</h3>

Work Shown:

(angle JIW) + (angle WIH) = angle JIH

(2x+8) + (101) = 11x + 10

2x+109 = 11x+10

2x-11x = 10-109

-9x = -99

x = -99/(-9)

x = 11

So,

  • angle JIW = 2x+8 = 2*11+8 = 22+8 = 30 degrees
  • angle WIH = 101 degrees
  • angle JIH = 11x+10 = 11*11+10 = 121+10 = 131 degrees

The smaller angles add to 30+101 = 131 to confirm we have the correct answer.

For more information, check out the angle addition postulate.

5 0
2 years ago
The box plot summarizes the data for the number of minutes it took to serve customers at a restaurant.
Anna [14]
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6 0
3 years ago
Need help with these questions
Eddi Din [679]

Answer:

Area = 31.5 units²

Step-by-step explanation:

Area of the triangle = ½ × base × height

base = 9

height = 7

Substitute

Area = ½ × 9 × 7

Area = ½ × 63

Area = 31.5 units²

7 0
3 years ago
Katrina drinks 0.5 gallons of water per day which expression shows how to find the number of cups of water she drinks in a week
kobusy [5.1K]

Answer:

56 cups of water

Step-by-step explanation:

Katrina drinks 0.5 gallons of water per day

We have 7 days in a week, hence, the number of gallons of water she drinks per week is calculated as:

1 day = 0.5 gallons

7 days = x

Cross Multiply

1 day × x = 7 days × 0.5 gallons

x = 7 days × 0.5 gallons/1 day

x = 3.5 gallons

Note that 16 cups = 1 gallon

The number of cups of water she drinks per week is

1 gallon = 16 cups

3.5 gallons = x

Cross Multiply

1 gallons × x = 3.5 gallons × 16 cups

x = 3.5 gallons × 16 cups/1 gallons

x = 56 cups

Therefore, Katrina drinks 56 cups of water in a week

3 0
3 years ago
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