Please Help Me!!!!

Mathematics

2 answers:

Lilit [14]3 years ago

5 0

For the first question we know that m

Feliz [49]3 years ago

4 0

Question 1:

∠KLM = 134°

∠KLN + ∠NLM = 134

47 + 16y = 134

16y = 134 - 47 = 87

16y = 87

y = $\frac{87}{16}$ = 5.4375° ≈ 5.44°

Question 2:

∠ Between Melville Road and Emerson Avenue = 118°

Given, Hawthorne Lane bisects the angle between Melville Road and Emerson Avenue.

Hence, ∠ between Hawthorne Lane and Emerson Avenue = $\frac{118}{2}$ = 59°

∠ Between Emerson Avenue and Thoreau Street = 135°

Given, Dickinson Drive bisects the angle between Emerson Avenue and Thoreau Street.

Hence, ∠ between Emerson Avenue and Dickinson Drive = $\frac{135}{2}$ = 67.5°

Hence, ∠ between Hawthorne Lane and Dickinson Drive = 59 + 67.5 = 126.5°

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Ivahew [28]

Answer:

-45 $x^{2}$ -26x+30

Step-by-step explanation:

So first you let's divide this equation into three parts.

Part one -9x(5x+4)

Step one: you have to distribute the -9x to the numbers in the parentheses. That would leave us with a -9x*5x = -45 $x^{2}$ and -9x*4 = -36x
Step two: Put the answers together. That would leave us with -45 $x^{2}$ -36x.

Part two 10(x+3)

Step one: you have to distribute the 10 to the numbers in the parentheses. That would leave us with a 10*x = 10x and 10*3 = 30
Step two: Put the answers together. That would leave us with 10x+30

Part three solve

Step one: combine and put together what you have solved for. That would leave us with a -45 $x^{2}$ -36x+ 10x+30
Step two: combine like terms. The like terms here are -36x and 10x. When you combine them you would get -26x.
Step three: Write the equation in standard form. Therefore the answer is -45 $x^{2}$ -26x+30.

Let me know if anything is confusing!

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3 years ago

The formula m =1/2(a+b) gives the mean M of two numbers a and b

Viefleur [7K]

Answer:

Step-by-step explanation:

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2 years ago

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If you flip a coin twice what's the probability that tails comes up both times

hichkok12 [17]

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The possible combinations for fliping a coin twice:
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or the one you're looking for...
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