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astraxan [27]
3 years ago
12

Help me with this please

Mathematics
1 answer:
marta [7]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Melania: 2 1/5 = 11/5

Cathy 1 3/4 as far as Melania did => 7/4 x 11/ 5 = 77 / 20 = 3 17/20

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State the common factor of the terms in the polynomial 5x^2 + 30x^2 - 10x. Then factor the polynomial
tatuchka [14]

Answer:

The common factor is 5x.

The factored polynomial is: 5x(7x - 2)

Step-by-step explanation:

Factor of the numbers:

The common factor of the numbers 5, 30 and 10 is 5, as it is the greater common divisor of them, as found below:

5 - 30 - 10|5

1 - 6 - 2

Factor of the exponents:

Between x^2, x^2 and x, the common factor is the x with the lowest exponent. So x

Common factor

Number multiplied by exponents, so 5x.

Factoring the polynomial:

5x^2 + 30x^2 - 10x = 5x(\frac{5x^2}{5x} + \frac{30x^2}{5x} - \frac{10x}{5x}) = 5x(x + 6x - 2) = 5x(7x - 2)

The factored polynomial is: 5x(7x - 2)

6 0
2 years ago
What is the solution to the equation 4x - 6 = 22
alexandr402 [8]

x=7 because if  you replace x with 7 then 4 times 7 is 28 and 28 minus 6 is 22

3 0
3 years ago
The buyer for a chain of stores purchased lawn ornaments in bulk, paying $23 each. The stores will sell each lawn ornament for $
Naya [18.7K]

Answer:

The markup percentage is 61.2

Step-by-step explanation:

Given as :

The cost price of each ornaments = $23

The sell price of each ornament = $37.08

Let The markup percentage = x

<u>Now, According to question</u>

Markup percentage = \dfrac{s.p - c.p}{c.p} × 100

Or, x% = \dfrac{37.08 - 23}{23}

Or, x% = \dfrac{14.08}{23}

Or, x% = 0.612

∴ x = 0.612 × 100

I.e x = 61.2

So, The The markup percentage = x = 61.2

Hence, The markup percentage is 61.2 Answer

8 0
3 years ago
a paper airplane can be made out of two different pieces of paper: a circular piece 10 inches wide and a square piece 11 inches
madreJ [45]
Compare the areas of the 2 different pieces of paper.

For the circle, the area is A=pi * r^2, which works out to A = pi(5 inches)^2.

For the square, the area is A = s^2, where is the side length, which here is 11 inches.

Finish these calculations, and then compare your two areas.  Which is the larger?
5 0
3 years ago
The volume V (in cubic feet) of a right cylinder with a height of 3 feet and radius r (in feet) is given by V=3πr2. Solve the fo
makkiz [27]

Answer:

118. The radius is 118 feet.

Step-by-step explanation:

6 0
3 years ago
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