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Alexxx [7]
3 years ago
12

If the measurement a is 69 and measurement a and b are complementary what is measurement b

Mathematics
2 answers:
ryzh [129]3 years ago
5 0

Answer:

21

Step-by-step explanation:

I assume you are dealing with complementary angles.

m<a + m<b = 90

69 + m<b = 90

m<b = 90 - 69

m<b = 21

MA_775_DIABLO [31]3 years ago
4 0

Answer:

nice and

since it is complementary then a +b = 90

and substitution gives

69 + b = 90

b = 21

hope this helped and brainliest pls

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Hurryyyyyy!!! <br>which expression is equivalent to 7(1+3)? <br>a.1+21<br>b.7+21<br>c 7+3<br>d.7+4
n200080 [17]

Answer:

b. 7+21

Step-by-step explanation:

If you do 1+3=4 and then 4 times 7 that equals 28. When you do 7+21 that equals 28 too. So b is the answer

4 0
3 years ago
Find the value of x​
Naddika [18.5K]

Answer:

x= -12

Step-by-step explanation:

∠2= (180°-36°)÷2 (base ∠s of isos. △)

∠2= 72°

m∠2= x +84

72= x +84

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3 0
3 years ago
Read 2 more answers
Solve the proportion. When necessary, round to the nearest tenth? 36/j = 7/20​
erastovalidia [21]

Work is provided in the image attached.

3 0
3 years ago
Can somebody plz use the diagram at the bottom to answer question 10 (only if u know how to do this) thx sm!
jonny [76]

Answer:

isosceles: 2 angles are the same and 2 sides are the same. Equilateral have all the same sides and angles. Saclene have all dfferent angles and sides.

11) isosceles

12) equilateral

13) isosceles or scalene unclear

---------{NOTICE}----------

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5 0
2 years ago
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The coordinate point F(-8, 0) after a dilation with scale factor of 0.25, centered at the origin, becomes the point
FrozenT [24]

Answer:

(-2,\, 0).

Step-by-step explanation:

Dilate a point (x,\, y) by a scale factor of r with (a,\, b) as the center, and the resultant point would be at (a + r\, (x - a),\, b + r\, (y - a)).

In this question:

Point to dilate: (x,\, y) = (-8,\, 0).

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Center of dilation: (a,\, b) = (0,\, 0).

The resultant point would be:

(0 + 0.25\, (-8 - 0),\, 0 + 0.25\, (0 - 0)), which simplifies to (-2,\, 0).

5 0
3 years ago
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