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stich3 [128]
3 years ago
13

Find the length of leg " a" if leg "b" = 12 and the hypotenuse "c" is 13

Mathematics
1 answer:
quester [9]3 years ago
3 0
A^2 + b^2 = c^2

a^2 + (12)^2 = (13)^2

a^2 + 144 = 169

a^2 = 169 - 144

a^2 = 25

Sqrt (a^2) = Sqrt(25)

a = 5

Please mark brainliest if this helps
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Oduvanchick [21]
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6 0
3 years ago
Angle A and angle B are supplementary angles. If m angle A = (5x+2) and m angle B = (8x+9) , then find the measure of angle B
otez555 [7]
You first identify what supplementary angles are,angles that add up to 180.
5x+2+8x+9=180
17x+11=180-11
17x=169
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8 0
3 years ago
Bill is bisecting an angle with technology. Which of the following describes his next step?
mojhsa [17]

Answer:

the first step is correct

Step-by-step explanation:

the first step is correct

then draw 2 circles with the same radius with centre  D and E ( the point BC intersect the first circle )

Where the 2 circles are intersecting is the point F

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7 0
3 years ago
Pls help, and explain. I will give brainliest
-BARSIC- [3]

Answer:

Nicole should take 13 1/8 cups of snack mix.

Step-by-step explanation:

If a serving size is 7/8 and Nicole wants to take 15 serving sizes (15 7/8's), then we must multiply 7/8 by 15:

15 × 7/8

Write 15 over 1 (15 = 15/1) to make the calculations easier:

15/1 × 7/8

Multiply the numerators and denominators separately:

15 × 7 / 1 × 8

105 / 8

Instructions don't say you have to do this but I will convert this improper fraction into a mixed number:

105/8 = 13 1/8

5 0
3 years ago
A telephone pole that is 12 ft. tall has fallen against a house. If the top of the telephone pole touches the house 10 ft. above
Ostrovityanka [42]

Answer:

56.44 degrees

Step-by-step explanation:

          sin(measure of the angle)=10/12

sin^-1(sin(measure of the angle))=sin^-1(10/12)

                 measure of the angle=56.44

4 0
2 years ago
Read 2 more answers
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