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3 years ago

Rewrite each expression by combining like terms. 13p - 4p + 6q

Mathematics

2 answers:

Dovator [93]3 years ago

7 0

Answer:

You answer would be 15p

Step-by-step explanation:

13p - 4p + 6p

9p + 6p

15p

mash [69]3 years ago

6 0

Answer:

9p + 6q

Step-by-step explanation:

Rewrite each expression

Combine like terms

13p - 4p + 6q

_____________________

When we have like terms, we can only add the ones that have the same symbols as endings, such as variables, exponents, etc. Therefore :

Add "p" values together :

13p - 4p

9p.

Now rewrite the expression, we cannot combine like terms with "p" and "q" because they are not the same variable :

9p + 6q

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The price of an item yesterday was $180. Today, the price rose to $207. Find the percentage increase.

MaRussiya [10]

Answer:

13.04%

Step-by-step explanation:

$percent\ increase = \frac{increase\ in\ quantity}{final\ quantity}*100$

percent increase = $\frac{207-180}{207}*100$

= $\frac{27}{207}*100$

= 13.04%

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4 years ago

What are equivalent ratios to 1:4

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Step-by-step explanation:

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3 years ago

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John is placing cement tiles for a patio in a rectangle surrounding a

weeeeeb [17]

Answer:

31x + 55 sq. ft.

Step-by-step explanation:

Width of Fire Pit = x ft. Length of Fire Pit = 4x ft.

Width of Patio = x + 5 ft. Length of Patio = 4x + 11 ft. Area of Fire pit = 4x * x = 4x² sq, ft.

Total Area of Rectangular Patio (including Fire pit) = (4x + 11)(x+5)

= 4x² + 31x + 55 sq. ft.

Area for which tiling is done = Area of Rectangular patio - Area of fire pit

= 4x² + 31x + 55 - 4x²

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4 0

3 years ago

I need someone to explain how to do this problem with the formula please. I’m confused

kati45 [8]

Answer:

C ) 44, 65

Step-by-step explanation:

Please find attached a solved pattern.

The labelled alphabet, tells you the number of columns and Number of dots in the middle.

a1 will have 1 middle dot and 1 column

a2 will have 2 middle dots and 2 columns

a3 will have 3 middle dots and 3 columns.

a4 will have 4 middle dots and 4 columns

a5 will have 5 middle dots and 5 volumns

The middle dot, serve as a demarcation.

What ever appears on the left of the middle dot, must appear at the right of it.

7 0

3 years ago

Can someone help me with this?

Nesterboy [21]

Answer:

36000pi

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

We know the surface area

SA = 4 pi r^2

3600 pi = 4 pi r^2

Divide each side by 4pi

3600 pi / 4pi= 4 pi r^2/4pi

900= r^2

Take the square root of each side

30 = r

Now substitute into the equation for volume

V = 4/3 pi r^3

= 4/3(pi) (30)^3

=36000pi

4 0

3 years ago