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3 years ago

HELP! WHY IS THIS TRIANGLE CONGRUENT! EASY PLS HELP

Mathematics

2 answers:

s2008m [1.1K]3 years ago

4 0

Answer:

D. xz=yz, angle z is shared, wz=wz

Ivenika [448]3 years ago

3 0

Answer:

Side-angle-side postulate

Step-by-step explanation:

First, you know that angle XZW = YZW because they are both 90 degrees.

Next, you know that side WZ = side WZ because of the reflexive property (they are the same side)

Lastly, you know that YZ = XZ because Z is the midpoint meaning it divides the entire thing perfectly in half

You have two sides and the included angle, so it is SAS.

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Alona [7]

Answer:

The lower limit is 75.04

The upper limit is 78.96

Step-by-step explanation:

From the question we are told that

The sample size is $n = 25$

The sample mean is $\= x = 77$

The standard deviation is $\sigma = 5$

Given that the confidence level is 95% then the level of significance is mathematically represented as

$\alpha = (100 - 95)\%$

$\alpha = 0.05$

The critical value for $\frac{\alpha }{2}$ obtained from the normal distribution table is

$Z_{\frac{\alpha }{2} } = 1.96$

Generally the margin of error is mathematically represented as

$E = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }$

=> $E = 1.96* \frac{5 }{\sqrt{25} }$

=> $E = 1.96$

The 95% confidence interval is mathematically represented as

$\= x -E < \mu < \= x +E$

=> $77 - 1.96 < \mu < 77 + 1.96$

=> $75.04 < \mu < 78.96$

7 0

3 years ago

In the equation c*2=22 what is the next step in the equation solving sequence?

romanna [79]

Divide 22 by 2 to get "c" isolated.

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3 years ago

A cone has a slant height of 26 inches and a radius of 24 inches. What is the volume of the cone?

zepelin [54]

Answer:

V≈6031.86in³

Step-by-step explanation:

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3 years ago

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Solve: 3 square root 8x-2=4<br> To solve this equation, first BLANK both sides

SpyIntel [72]

Answer:

Cube

X =8.25

Step-by-step explanation:

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3 years ago

Lin deposited $300 in a savings account that has a 2% interest rate per year. How much is in her account after 1 year? After 2 y

leonid [27]

Answer:

Step-by-step explanation:

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150-15*150/100=150-22.5=127.5 $ the price for the bicycle

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3 years ago

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HELP! WHY IS THIS TRIANGLE CONGRUENT! EASY PLS HELP​

HELP! WHY IS THIS TRIANGLE CONGRUENT! EASY PLS HELP