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valentinak56 [21]
2 years ago
13

If 20 is one third of a number the result is the double of the number. what is the number?

Mathematics
2 answers:
Iteru [2.4K]2 years ago
4 0

Answer:

Step-by-step explanation:

<u>20 is one third of a number:</u>   (1/3)X = 20

                                                            X = 60

But then I can't interpret ". . . the result is the double of the number."

This may <u>or may not</u> mean 2*(60) = 120

PSYCHO15rus [73]2 years ago
3 0

Answer: 12

Step-by-step explanation:

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3 years ago
PLS HELP! URGENT!!!! A circular flower bed is 20 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the
krok68 [10]

Answer: Area of sidewalk is 217m²

Step-by-step explanation:

The formula for determining the area of a circle is expressed as

Area = πr²

Where

r represents the radius of the circle

π is a constant whose value is 3.14

A circular flower bed is 20 meters in diameter.

radius = diameter/2 = 20/2 = 10 meters

Area of the flower bed = 3.14 × 10²

= 314m²

The circular flower bed has a circular sidewalk around it that is 3 meters wide. This means that the total diameter would be

3 + 20 + 3 = 26m

Radius = 26!2 = 13m

Total area = 3.14 × 13² = 530.66m²

Therefore, area of the sidewalk is

530.66 - 314 = 216.66

The area of sidewalk is 217m² to the nearest whole number

6 0
3 years ago
Zoey wants to use her computer tablet throughout a 6-hour flight. Upon takeoff, she uses the tablet for 2 hours and notices that
mojhsa [17]

6 hours Zoey can expect from the tablet on a full battery charge if the battery dropped by 33%, from 100% to 67%.

<h3>What is percentage?</h3>

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

We have:

Zoey wants to use her computer tablet throughout a 6-hour flight. Upon takeoff, she uses the tablet for 2 hours and notices that the battery dropped by 33%, from 100% to 67%.

Let's suppose x hours Zoey can expect from the tablet on a full battery charge.

The value of x can be calculated using:

x = (2×100)/33

x = 200/33

x = 6.06 ≈ 6 hours

Thus, 6 hours Zoey can expect from the tablet on a full battery charge if the battery dropped by 33%, from 100% to 67%.

Learn more about the percentage here:

brainly.com/question/8011401

#SPJ1

7 0
2 years ago
PLEASE HELP!!!!!!!! You develop an app to help students complete their homework. To earn money, you sell advertising space on th
tankabanditka [31]

Answer:

y=0.003*x+25

Step-by-step explanation:

0.003 is the slope of this linear function and 25 is its bias (aka y-intercept). The function is written as

y=0.003\cdot x + 25

3 0
3 years ago
Solve the equations by elimination.<br> -7x-8y=9<br> -4x+9y=-22
Sergeeva-Olga [200]

Solve for x in -7x - 8y = 9

x = -9 + 8y/7

Substitute x = -9 + 8y/7 into -4x + 9y = -22

4(9 + 8y)/7 + 9y = -22

Solve for y in 4(9 + 8y)/7 + 9y = -22

y = -2

Substitute y = -2 into x = -9 + 8y/7

x = 1

Thus,

<u>x = 1</u>

<u>y = -2</u>

4 0
3 years ago
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