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ipn [44]
3 years ago
11

Solve for the missing angle measure 28° 35° MLK

Mathematics
1 answer:
Ainat [17]3 years ago
5 0

Answer:

Step-by-step explanation:

Every triangle equals 180deg so we subtract the angles we know.

180 - 28 - 35 = 117deg

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SOLVE EQUATION BY TAKING SQUARE ROOTS.<br> -100+81a^2=0
IceJOKER [234]

Answer:

a = ±10/9

Step-by-step explanation:

-100+81a^2=0\\81a^2=100\\a^2=\frac{100}{81}\\\sqrt{a^2}=\sqrt{\frac{100}{81} }\\a=10/9\\a=-10/9

7 0
3 years ago
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Triangle abc and xyz are congruent ,/_A is one half the size of /_B,/_y is 90° ./_c and /_z each have a measure of 45°.What is t
Rashid [163]

Answer:

∠a = 45°

Step-by-step explanation:

We are told that △abc and △xyz are congruent.

Thus;

∠a = ∠x

∠b = ∠y

∠c = ∠z

We are given;

∠y = 90°

Thus, ∠b = 90°

Now,we are told that ∠a is one half the size of ∠b.

Thus; ∠a = ½ × ∠b

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∠a = 45°

4 0
3 years ago
The figure is made by attaching semicircles to each side of an 11-ft-by-11-ft
vova2212 [387]

Answer:

by how much degrees should the heat be reduced in the last 5 minutes of banking

6 0
3 years ago
HaLp pLEaSE I NEeD tO GEt ThIS DoNE oR mY mUM WiLl bE MaD ThANkS
Verdich [7]

Answer:

B is the answer

5 0
3 years ago
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The mean of 10 values is 19. If further 5 values are
Leokris [45]

Answer:

22

Step-by-step explanation:

Pretend the 10 values in the first sentence are a,b,c,d,e,f,g,h,i,j

Pretend the addition 5 values is k,l,m,n,o

So the mean of all the 15 data is (a+b+c+d+e+f+g+h+i+j+k+l+m+n+o)/15=20

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Now let's look at the first 10:  We have their mean so we can write:

(a+b+c+d+e+f+g+h+i+j)/10=19

so a+b+c+d+e+f+g+h+i+j=190                               since 10(19)=190

So that means using our first sum equation and our equation sum equation we have

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3 0
3 years ago
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