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Ad libitum [116K]
3 years ago
11

What is the solution to 89+ K= -42 A. K=131 B. K=47 C. K=-47 D. K=-131

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
5 0
89-131=-42 the answer is k=-131
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4.75 = 4 75/100 =
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Answer:
4.75 as an improper fraction in simplest form is 19/4.
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when translating English sentences into math equations, the word is usually translates to which math symbol?
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In a circle with an 8-inch radius, a central angle has a measure of 60°. How long is the segment joining the endpoints of the ar
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Find the measure of each of the angles. Don’t forget to label your answer
user100 [1]

Answer:

a=125^o

b=55^o

c=55^o

d=55^o

e=125^o

f=55^o

Step-by-step explanation:

step 1

Find the value of x

we know that

(2x+25)^o=(x+75)^o ----> by alternate interior angles

solve for x

Group terms

2x-x=75-25

x=50

step 2

Find the measure of angle a

we know that

a=(x+75)^o ----> by vertical angles

substitute the value of x

a=(50+75)=125^o

step 3

Find the measure of angle b

we know that

a+b=180^o ----> by supplementary angles (form a linear pair)

we have

a=125^o

substitute

125^o+b=180^o

b=180^o-125^o=55^o

step 4

Find the measure of angle c

we know that

c=b ----> by vertical angles

we have

b=55^o

therefore

c=55^o

step 5

Find the measure of angle d

we know that

d=b ----> by corresponding angles

we have

b=55^o

therefore

d=55^o

step 6

Find the measure of angle e

we know that

e=a ----> by alternate exterior angles

we have

a=125^o

therefore

e=125^o

step 7

Find the measure of angle f

we know that

f=d ----> by vertical angles

we have

d=55^o

therefore

f=55^o

4 0
3 years ago
Find the mode of this data set:<br> 31, 30, 32, 31, 30, 31, 32,<br> 33, 30, 31, 31, 30, 32
MariettaO [177]

Answer:

31 is the mode of the data as it appears 5 times

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3 years ago
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