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Fantom [35]
3 years ago
15

Double a number is equal to the number decreased by five?

Mathematics
1 answer:
kotegsom [21]3 years ago
6 0
2n=n-5  subtract n from both sides

n=-5

check...

2(-5)=(-5)-5

-10=-10
You might be interested in
Please help m solve this it's about shaded areas. I need it fast. PLZ HELP THANK YOU IF YOU DO AND U R SO AMZING IF U DO>
sukhopar [10]

A = area of the circle

A = pi*r^2

A = pi*11^2

A = 121pi

-----

B = area of the rectangle

B = length*width

B = 6*4

B = 24

-----

C = blue shaded area

C = A - B

C = 121pi - 24 which is the exact area in terms of pi

C = 356.1327 is what you'd get if you used a calculator

C = 356.13 is the result after rounding to the nearest hundredth

<h3>The final answer is 356.13</h3>
5 0
3 years ago
Two fractions that have the sum of 4/5
beks73 [17]
1/5 and 3/5

Hope this helps!
3 0
3 years ago
4 divided by 2/9? If you could, please also explain.
shtirl [24]
You do 4/1 divided by 2/9

4 2
_ divided by _

1 9

Equals 18

(You have to multiply by the reciprocal)

4/1 times 1/4
And
2/9 times 1/4

Hope I helped!!!
7 0
3 years ago
6. Fred is riding his bike in a race to earn money for a sick boy. Fred rides his bicycle at a top speed of 17 miles per hour. I
kogti [31]
17×4 is your answer.......
7 0
3 years ago
Read 2 more answers
29. 83 – 2 · 4 = <br> 30. 3 · 6 – 4 · 2 = <br> 31. 3( 6 – 4) · 2 =
tester [92]

1) 21.83

2)173.8

3)12

Hope this helps :)

4 0
3 years ago
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