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andreev551 [17]
3 years ago
9

What is 9z + 2z -8 equivalent to after being simplified?

Mathematics
2 answers:
denpristay [2]3 years ago
7 0
11z-8
Combine like terms.
exis [7]3 years ago
7 0

Answer:

the answer is 7 z8                

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Olenka [21]

Answer: The Correct Answer is A! I'm not very good at explaining but I already took the test, You can go look at the other questions for an explanation. :)

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5 0
3 years ago
Read 2 more answers
Plz hurry!!!! thank you!!!!
RoseWind [281]

Answer:

m\angle KLM=53.13^o

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle KOM

In the triangle KOM

we have

KO=MO=r=5\ units

KM=8\ units

Applying the law of cosines

8^2=5^2+5^2-2(5)(5)cos(KOM)

64=50-50cos(KOM)

50cos(KOM)=50-64

50cos(KOM)=-14

cos(KOM)=-14/50

m\angle KOM=cos^{-1}(-14/50)

m\angle KOM=106.26^o

step 2

Find the measure of the arc KM

we know that

arc\ KM=m\angle KOM ----> by central angle

we have

m\angle KOM=106.26^o

so

arc\ KM=106.26^o

step 3

Find the measure of angle KLM

we know that

The inscribed angle is half that of the arc comprising  

m\angle KLM=\frac{1}{2}[arc\ KM]

we have

arc\ KM=106.26^o

substitute

m\angle KLM=\frac{1}{2}[106.26^o]

m\angle KLM=53.13^o

7 0
3 years ago
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Lana71 [14]

The answer is 5.

Step-by-step explanation:

To find the interquartile range you must look at the median and the upper and lower halves of the data. The median (12) to the upper half of the data (15) is 3. Next, look at the median (12) to the lower half of the data (10) it is 2. We then add 2 and 3 to get the interquartile range of 5.

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e-lub [12.9K]

Answer:

I THINK IM WRONG BUT

Step-by-step explanation:

X3 NUZZELS POINCES ON U

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Yesterday, there were 56 problems assigned for math homework. Desmond got 14 problems correct and 42 problems incorrect. What pe
Vika [28.1K]

Answer: 25%

100/56 = 1.785714285714286

1.785714285714286 x 14 = 25

6 0
3 years ago
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