2 years ago

What is the sum of the first four composite numbers? 19 20 27 28

Mathematics

2 answers:

sukhopar [10]2 years ago

6 0

Answer:

I think 19 will be your answer

Tatiana [17]2 years ago

4 0

Your answer would be 27

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LM is a perpendicular bisector of NP The length of LN is 12w +7, and the length of LP is 15w 5. What is the length of LN?

Mazyrski [523]

Answer:

$LN = 55$

Step-by-step explanation:

Given

$LN = 12w + 7$

$LP = 15w - 5$

Required

Determine LN

Since LM is a bisector, then we have:

$LP = LN$ (See attachment for illustration)

$15w - 5 = 12w + 7$

Collect Like Terms

$15w - 12w = 5 +7$

$3w = 12$

Solve for w

$w = 12/3$

$w = 4$

LN is calculated as thus:

$LN = 12w + 7$

Substitute 4 for w

$LN = 12 * 4 + 7$

$LN = 48 + 7$

$LN = 55$

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2 years ago

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aliina [53]

Answer 2.8

Step-by-step explanation:

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2 years ago

B. Write an equation that shows the relationship 64% of

White raven [17]

$0.65 \times y = 40 \\ y = \frac{40}{0.65}$

$.45 \times x = 72 \\ x = \frac{72}{.45} \\ x = 160 \\ 45 \: percent \: of \: 160 \: is \: 72$

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2 years ago

What two numbers have a sum of 217 and a difference of 85?

KiRa [710]

We can use the system of equations:x + y = 217x - y = 85-----------------From the 2nd equation: y = x - 85x + x - 85 = 2172 x = 217 + 852 x = 302x = 302 : 2x = 151y = 217 - 151y = 66We can prove this solution:151 + 66 = 2017 and 151 - 66 = 85.Answer: those numbers are 151 and 66.

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3 years ago

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Vitek1552 [10]

The answer to this question is H. I hoped I helped you.

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