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Lesechka [4]
3 years ago
7

Find the value of x if B is between A and C, AB = 4x – 9, BC = 3x + 5 and AC = 17.

Mathematics
2 answers:
Tasya [4]3 years ago
6 0
If A,B and C lie on the same line:

4x- 9 + 3x+5 = 17

7x = 21

x = 3
vredina [299]3 years ago
4 0
AB + BC = AC
4x - 9 + 3x + 5 = 17
7x - 4 = 17
add 4 to both sides
7x = 21
divide both sides by 7
x = 3
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What number do i multiply π(pi)^2 by to end up with a number with no decimal
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Answer:

<u>1/π²</u>

Step-by-step explanation:

On multiplying π² by its inverse value, you get the answer to be <u>1</u>, which has no decimal points.

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Write an equation of the line and interpret the slope.​
coldgirl [10]

Answer:

y=-100x+700

Step-by-step explanation:

Slope=Rise/Run=Δy/Δx=(y₂-y1)/(x₂-x₁)=(200-600)/(5-1)=(-400)/(4)=-100

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To find b, the y-intercept, we plug in a given output of y for a given input of x and solve for b:

y=mx+b (Slope-intercept form)

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200=-500+b

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So since the y-intercept is b=700, then the equation of the line is y=-100x+700

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2 years ago
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3 years ago
Renaldo will write 3/20 as a decimal. Which of the following methods should he use?
makvit [3.9K]

ANSWER

1. Multiply the fraction by 5/5 to get a denominator of 100 and then write the numerator as hundredths using a decimal point.

EXPLANATION

Renaldo wants to write

\frac{3}{20}

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He needs a denominator of 100, so he can multiply by

\frac{5}{5}

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This will be

=  \frac{15}{100}

He can now obtain the decimal equivalent as

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The correct choice is option 1.

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3 years ago
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