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mrs_skeptik [129]
3 years ago
9

The length of a rectangle is 3 inches more than twice its width, and its area is 65 square inches. What is the width?

Mathematics
2 answers:
gogolik [260]3 years ago
6 0
Width = 5 
5x2 = 10 and the length would 13... which is 3 more inches than twice the width
VikaD [51]3 years ago
6 0

Answer:

5 inches   ______________                              

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The average high temperature was 86° in august then 93° in September. What is the percent increase or decrease
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The increase was 7 degrees
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A number increace by a 5 is 12
svetlana [45]
7 is the number increased by 5 = 12
8 0
3 years ago
Solution of 4/5 + 2/3
xxMikexx [17]

Answer:

\frac{22}{15}

Step-by-step explanation:

\frac{4}{5}+\frac{2}{3}

Adjust based on LCM (15):

=\frac{12}{15}+\frac{10}{15}

=\frac{12+10}{15}

=\frac{22}{15}

8 0
3 years ago
The weight of an object on mars varies directly is proportional as the weight of the object on earth a 75 pound object on earth
dedylja [7]

Answer:

It weighs 40 pounds on mars

Step-by-step explanation:

Direct proportion is the relationship between two variables when their ratio is equal to a constant value

  • It can be expressed as y = k x, where y varies directly as x and k is constant of variation
  • It can be expressed as  \frac{y_{1}}{x_{1}}=\frac{y_{2}}{x_{2}}=k

∵ The weight of an object on mars varies directly as the weight

    of the object on earth

∴ w(m) = k × w(e)

∵ The weight of the object on earth is 75 pound

∴ w(e) = 75

∵ The weight of this object on mars is 25 pounds

∴ w(m) = 25

- Substitute them in the equation of variation

∵ 25 = k × 75

- Divide both sides by 75

∴ \frac{1}{3} = k

∴ w(m) = \frac{1}{3} × w(e)

∵ An object weighs 120 pounds on earth

∴ w(e) = 120

- Substitute it in the equation of variation

∴ w(m) = \frac{1}{3} × 120

∴ w(m) = 40

∴ It weighs 40 pounds on mars

5 0
3 years ago
How to find the circumference of a circle
Alborosie

Answer:

Step-by-step explanation:

The distance around a rectangle or a square is as you might remember called the perimeter. The distance around a circle on the other hand is called the circumference (c).

circle diameter radius

A line that is drawn straight through the midpoint of a circle and that has its end points on the circle border is called the diameter (d)

Half of the diameter, or the distance from the midpoint to the circle border, is called the radius of the circle (r).

The circumference of a circle is found using this formula:

C=π⋅dorC=2π⋅r

5 0
3 years ago
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