3 years ago

The triangles shown are congruent. Which of the following statements must be true? A. YZ = JG

1 answer:

8 0

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ABCD is a parallelogram. Find the value of x, y and z.

expeople1 [14]

Step-by-step explanation:

X+100=180(linear pair)

X=180-100

X=80

30+y+x=180(sum of angle of triangle)

Y=180-110

Y=70

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2 years ago

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What is the value of B - A as a fraction?

umka21 [38]

Answer:
A = 1/4
B = 3/4

step-by-step explanation:
the middle should be 1/2 because the middle between 0 and 1 is 1/2
A and B are both in the middle of the sides
therefore A would be closer to 0 so 1/4
and B would be closer to 1 so 3/4

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3 years ago

Iris charges a fee for her consulting services plus an hourly rate that is 1 1/5 times her fee. On a 7-hour job, Iris charged $4

Kryger [21]

470/7= 67.14......

67.14 was her fee

67.14 * 1.5 = 100.71

100.71 is her hourly rate

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3 years ago

2 points

Crazy boy [7]

Answer:

Step-by-step explanation:

Find the volume of a sphere 12 yards a crossed

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3 years ago

The hourly wages of a sample of 130 system analysts are given below.

atroni [7]

Answer: b. 30%

Step-by-step explanation:

A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.

i.e. $CV=\dfrac{\sigma}{\mu}$

Given: mean = $\mu=90$

Variance = $\sigma^2 = 729$

$\sigma=\sqrt{729}=27$

Now, $CV=\dfrac{27}{90}=0.3$

in percent , $CV= 0.3\times100\%= 30\%$

Hence, correct option is b. 30%.

8 0

3 years ago