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Karo-lina-s [1.5K]
3 years ago
14

How do you write twenty more than twice a number is 52

Mathematics
2 answers:
FrozenT [24]3 years ago
7 0
2x + 20 = 52.............
Thepotemich [5.8K]3 years ago
3 0

Answer

52 * 2x + 20

Step-by-step explanation:

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What equation best represents the following sentence?
nikdorinn [45]

Answer: n + 2 = 2n

Step-by-step explanation:

sum = add

number and two = n, 2

twice the number = 2 x n

4 0
3 years ago
What is the answer for |x|-7=8 <br> A) x=1<br> B) x= 15<br> C)x= -1 or 1<br> D) x= -15 or 15
borishaifa [10]
The answer is D. "x=-15 or 15."

You can solve this by adding seven on both sides.
|x|-7=8
   +7 +7
------------
|x|=15

Therefore, x is either equal to 15 or -15.
8 0
3 years ago
A rectangular lawn, 100 feet long by 50 feet wide, is to have two sidewalks installed that will cut the lawn in half both ways,
Damm [24]

Answer:

3.41 feet

Step-by-step explanation:

Area = Length × Breath

Area of the rectangular lawn = 100 × 50

                                                = 5000 feet²

The sidewalk must occupy an area no more than 10% of the total lawn area.

So, the area of the sidewalk would be not more than  = 10% × 5000

                                                                                         = 0.10 × 5000

                                                                                        = 500 feet²

Let the width of the sidewalk = x feet

area of the side walk = (L×W of the long way) + ((L-x)×W of the short way)

(100 × x) + ((50 - x) × x) < 500

100x + (50-x)(x) < 500

-x²  + 150x < 500

-x² + 150x = 500

-x² + 150x - 500 = 0

By using quadratic formula

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{(-150)\pm\sqrt{(150)^2-4(-1)(-500)} }{2(-1)}

x=\frac{-150\pm \sqrt{20500} }{-2}

x=75-5\sqrt{205} or x=75+5\sqrt{205}

x = 3.41089 ≈ 3.41 feet  or  x = 146.58

Therefore, width of the sidewalk would be 3.41 feet.

5 0
3 years ago
skate land charges a $50 fee for a birthday party rental and $4 for each person. Joann has no more than $100 to budget for her p
otez555 [7]

Answer:

11 then Joann would have $2 left over.

7 0
3 years ago
What is 23/25 in decimal
Ainat [17]
0.92 you would simply divide 23 by 25
7 0
3 years ago
Read 2 more answers
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