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3 years ago

PLEASE HELP

Mathematics

1 answer:

Georgia [21]3 years ago

6 0

Answer:

Option A and Option C

Step-by-step explanation:

Given:

IJ ≅ LM

∠J ≅ ∠M

To Prove:

ΔHIJ ≅ ΔKLM

Statements Reasons

1). IJ ≅ LM 1). Given

2). ∠J = m∠M 2). Given

3). ΔHIJ ≅ ΔKLM 3). By HA property Or AAS property of

congruence

Therefore, Option A and Option C are the correct options.

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sergiy2304 [10]

10min + 35min = 45min

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3 years ago

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I solved it myself and my result is (n+1)/n. Why is that 1/2 there? An explanation would be great if possible. Thanks!

katovenus [111]

Answer:

The product of (k + 1) series starts with 3 (because k = 2) and you need 2 to be multiplied to this in order to get (n + 1)!

Therefore you need to multiply 2 and 1/2 to make it right. 2 completes the factorial and 1/2 remains.

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3 years ago

Find the percent of decrease from 280 to 210. Round to the nearest tenth of a percent, if necessary.

Vlada [557]

To find the decreased percentage,here's what we can do:
$\frac{originl \: value - new \: value}{originl \: value} \times 100\%$

In this case,the eqaution would be:
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4 years ago

Select all the correct graphs.<br> Which graphs are the graphs of even functions?

natali 33 [55]

Answer:

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2 years ago

The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F

OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

$\frac{(1 -0.99)}{2}=0.005$

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Calculate the sample size as:

$n=\frac{z^2pq}{e^2}$

Where, e is the margin of error,

Substitute the respective values.

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3 years ago