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3 years ago

If triangle ABC is congruent to triangle XYZ, then which of the following is congruent to segment CA?

1 answer:

8 0

In this case, segment XZ is congruent to segment CA
Congruent triangles mean that both of those triangles have the exact length in all three sides, and had same three angles, which means that we just need to follow the order to find out which segment is congruent when comparing both triangles
A - b - C
X - y - Z

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Factorise fully 150-24d^2

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Answer: 6(5 + 2d)(5 - 2d)

Explanation:

$150-24d^2 = 6(25 - 4d^2) = 6(5 + 2d)(5 - 2d)$

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3 years ago

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3 years ago

What is the answer 0,12km² a m² show work

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Step-by-step explanation:

I ASSUME you're being asked to convert from km^2 to m^2.

For this you need to identify the conversion rate, which is 1 000 000 m^2 / 1 km ^2. Multiply by the thing you're converting from and cancel the units.

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You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95% confidence lev

Vikentia [17]

Answer:

865

Step-by-step explanation:

We have that in 95% confidence level the value of z has a value of 1.96. This can be confirmed in the attached image of the normal distribution.

Now we have the following formula:

n = [z / E] ^ 2 * (p * q)

where n is the sample size, which is what we want to calculate, "E" is the error that is 2% or 0.02. "p" is the probability they give us, 5 out of 50, is the same as 1 out of 10, that is 0.1. "q" is the complement of p, that is, 1 - 0.1 = 0.9, that is, the value of q is 0.9.

Replacing these values we are left with:

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3 years ago