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2 years ago

Please help with algebra

Mathematics

1 answer:

gregori [183]2 years ago

6 0

Answer:

54%

Step-by-step explanation:

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A merchant sold a pen for $6.90 ,thereby making a profit of 15% on her cost calculate the cost of the pen to the merchant to the

NeTakaya

So you know the merchant made a 15% profit on the pen, so she bought it for a cheaper price. To find the cost of the pen before you have to take the price now, $6.90 and times it by 85%. You do 85% because you subtract the 15% she saved from 100% and you get 85%. So 6.90x.85= 5.865 which rounds to $5.87

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3 years ago

Zane's parents keep a chart on the wall where they mark how much Zane grows each year. When Zane was 15, he grew 3/5 of an inch

timurjin [86]

Answer:

1 1/10 or 11/10

Step-by-step explanation:

Zane grew 3/5 of an inch during the first year and 1/2 an inch during the second. First, you have to make sure the denominators are the same number. Then, add the numerators. Simplify if needed.

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3 years ago

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The sum of the series 5(1/2)^i is x/1024 Then x =

Tatiana [17]

I just got this question. I think the answer is 5.

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3 years ago

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The base of a right rectangular prism is 20 cm2. If the height of the prism is 5 cm, what is its volume?

tekilochka [14]

General formula to find volume of prism
v = base area × height

Input the numbers to the formula
v = base area × height
v = 20 × 5
v = 100

The volume is 100 cm³

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3 years ago

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The surface of a table to be built will be in the shape shown below. The distance from the center of the shape to the center of

velikii [3]

A) Add three line segments (AD, CF, BE) to the regular hexagon.

B) The area of each triangle of the regular hexagon is 35.1 in².

C) The area of the regular hexagon is 210.6 in².

<h3>How to calculate the area of a regular hexagon</h3>

In geometry, regular hexagons are formed by six regular triangles with a common vertex. We decompose the hexagon in six equilateral triangles by adding three line segments (AD, CF, BE).The area of each triangle is found by the following equation:

A = 0.5 · (9 in) · (7.8 in)

A = 35.1 in²

And the area of the regular polygon is six times the former result, that is, 210.6 square inches.

To learn more on polygons: brainly.com/question/17756657

#SPJ1

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1 year ago