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2 years ago

140 is 70 percent of what number

1 answer:

galina1969 [7]2 years ago

4 0

140 is 70% of 200

Change the percentage (70) into a decimal by dividing over 100:

70 / 100 = 0.7

Divide:

140 / 0.7 = 200

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Find an equation of the tangent line to y=x²-4x at the point (3,-3)

ludmilkaskok [199]

Answer:

Well first I think you have to get rid of the exponent then get rid of the x-values then plot the point. I think

Step-by-step explanation:

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3 years ago

What did the candle say to the match

Grace [21]

You light up my life

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3 years ago

Which of the following would not be a correct interpretation of a correlation of r = .35?

Nikitich [7]

Even though it may look like the option is E the real answer is that the variables are invesely related. So your answer will be D

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2 years ago

Claire is 2 year younger than her sister. The

natta225 [31]

Given:

Claire is 2 year younger than her sister.

The sum of ages is no less than 44 years.

To find:

Inequality and find the youngest age Claire can be.

Solution:

Let the age of Claire be x.

Her sister's age = x+2

Sum of their ages is no less than 44 years. It means the sum ages is greater than or equal to 44.

$x+(x+2)\geq 44$

$2x+2\geq 44$

$2x\geq 44-2$

$2x\geq 42$

Divide both sides by 2.

$x\geq 21$

It means, Claire age can be greater than or equal to 21. So, the youngest age Claire can be 21 years old.

Therefore, the required inequality is $2x+2\geq 44$ and the correct option is B.

4 0

2 years ago

Write an equation in point-slope form, if m= 3 and passes through (4, 5).

Sergio039 [100]

Answer:

y - 5 = 3(x - 4)

General Formulas and Concepts:

Algebra I

Point-Slope Form: y - y₁ = m(x - x₁)

x₁ - x coordinate

y₁ - y coordinate

m - slope

Step-by-step explanation:

Step 1: Define

Slope m = 3

Point (4, 5)

Step 2: Write equation

Point-Slope Form: y - 5 = 3(x - 4)

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3 years ago