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zhenek [66]
3 years ago
11

Use the formula

Mathematics
1 answer:
natita [175]3 years ago
8 0
A=bh
108=<span>12*h
9in=h
The height is 9 inches.</span>
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Geometry! Please help!
Natalija [7]
So the equation for a trapezoid is A= \frac{b_1+b_2}{2} *h , with the b variable being the 2 bases, h variable for height, and the a variable for area. Firstly, we will need to plug in the appropriate numbers into the equation, and it'll look like this:

136= \frac{12+14}{2} *h

Next, we will need to combine 12 and 14, then divide the sum by 2. Your equation should look like this: 136=13*h

Lastly, just divide each side by 13, and your answer should be 10.46=h
7 0
3 years ago
Read 2 more answers
Evaluate (–1)8 + (–1)7 + –16 + –14 – (–1)2. A. 5 B. –3 C. –4 D. –23
Olin [163]

Answer:

= -43

Step-by-step explanation:

Evaluating the expression;

(–1)8 + (–1)7 + –16 + –14 – (–1)2

We can use Bodmas

We remove the brackets first

(–1)8 + (–1)7 + –16 + –14 – (–1)2

We get

-8 + - 7 + -16 + -14 - -2

but; - × + = - and - × - = +

Thus;

-8 - 7 - 16 - 14 + 2

= -8 -7 - 16 - 12

<u>= -43 </u>

3 0
3 years ago
62 divided by 8,694
spayn [35]

Answer:

50.007131355

Step-by-step explanation:

A calculator lol?

6 0
1 year ago
A scale model of a human heart is 16ft long. The scale is 32:1. How many inches long is the actual heart it represents?
melisa1 [442]
0.5 or 6 inches
The model=32
Actual size=1

32/1= 16/?
  If 32 is 1 foot which equals 12 inches, and 16 is half of  32, then 16 is 0.5 inches or 6 inches
4 0
3 years ago
Tom wants to reach a second floor window on a house that is 20 feet above ground. If he must put the ladder at a 70° angle to th
vovangra [49]
Let the ladder length be L, then

sin 70 = 20/L, L = 20/sin70 = 21.3 feet
the length of ladder is 21.3 feet
5 0
2 years ago
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