3 years ago

ΔABC is dilated from the origin at a scale factor of 3 to create ΔA′B′C′.

Mathematics

1 answer:

IrinaK [193]3 years ago

5 0

Answer: B
hope it helpsss

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Which of the following is the solution set to the equation -4(x+1)^2 -3=- 51

ANTONII [103]

Answer:

x is equal to 2.5 and -4.5

Step-by-step explanation:

-4(x + 1)² - 3 = -51

-4(x² + 2x + 1) - 3 = -51

-4x² - 8x -3 - 3 = -51

-4x² - 8x - 6 = -51

-4x² - 8x = -45

-4(x^2 + 2x) = -45

-4(x^2 + 2x + 1) = -49

-4(x + 1)² = -49

(x + 1)² = 49/4

x + 1 = ± √(49/4)

x + 1 = ± 7/2

x = -1 ± 3.5

x = 2.5, -4.5

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2 years ago

Solving rational equations<br><br> solve for x: 3/x-4=7/x

KIM [24]

Solving the rational equation $\frac{3}{x-4}=\frac{7}{x}$ the value of x is 7

Step-by-step explanation:

We need to solve rational equation: $\frac{3}{x-4}=\frac{7}{x}$ and find value of x.

Solving:

$\frac{3}{x-4}=\frac{7}{x}$

Cross multiplying:

$3(x)=7(x-4)\\Simplifying:\\3x=7x-28\\3x-7x=-28\\-4x=-28\\x=-28/-4\\x=7$

So, value of x = 7.

Solving the rational equation $\frac{3}{x-4}=\frac{7}{x}$ the value of x is 7

Keywords: Solving the rational equation

Learn more about Solving the rational equation at:

#learnwithBrainly

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2 years ago

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Rewrite in simplest terms: -8(7y-8)-3(7y-7)

AfilCa [17]

Answer:

−77y+85

I hope I helped!

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2 years ago

Leslie has 8 pencils.

Rudiy27

17 pencils. I’m preety sure

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3 years ago

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Describe the expression using an appropriate term or phrase.

Lena [83]

Answer:

2. the sum of 2 terms

Step-by-step explanation:

It is the sum of 2 terms because in this expression you are simply just adding.

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2 years ago