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3 years ago

Helppp 8th grade algebra

Mathematics

1 answer:

Elanso [62]3 years ago

6 0

The triangles are equilateral.

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If a TV costs $310 and you have to pay a 7% sales tax, how much tax will you have to pay?

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You will have to pay $21.70

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3 years ago

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if two straight lines intersect each other in such a way that one of the angles formed measures 90 degree show that each of the

Hitman42 [59]

I hope this helps in answering your question! If you have any inquiries to the solution, feel free to leave a comment!

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Question 8 of 25<br> Which of the following is the quotient of the rational expressions shown here?

Alla [95]

Answer:

B. (5x+5)/(x²-2x)

Step-by-step explanation:

As with numerical fractions, division by a rational expression is equivalent to multiplication by its reciprocal.

<h3>As a multiplication problem</h3>

$\dfrac{5}{x-2}\div\dfrac{x}{x+1}=\dfrac{5}{x-2}\times\dfrac{x+1}{x}$

<h3>Product of rational expressions</h3>

As with numerical fractions, the product is the product of numerators, divided by the product of denominators.

$=\dfrac{5(x+1)}{x(x-2)}=\boxed{\dfrac{5x+5}{x^2-2x}}$

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2 years ago

If you have 8 batteries cost $40 [cost per battery]

Finger [1]

Answer:

the answer is 5 because 40 divided by 8 is 5

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3 years ago

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Which shows the given inequalities in slope-intercept form?

yanalaym [24]

Answer: Solve for X

4x−5y<1

Step-by-step explanation:

step 1 add 5y to each side

4x−5y+5y<1+5y

4x<5y+1

Step 2: Divide both sides by 4.

4x4<5y+14

x<54y+14

Answer:

x<54y+14

Let's solve for x.

12y−x<3

Step 1: Add (-1)/2y to both sides.

−x+12y+−12y<3+−12y

−x<−12y+3

Step 2: Divide both sides by -1.

−x−1<−12y+3−1

x>12y−3

Answer:

x>12y−3

now just graph 4x-5y<1 shows the given inequalities in slope -intercep form.

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3 years ago