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Oxana [17]
2 years ago
15

54437475+6375322464366475456

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
6 0

Answer:

6.37532246E18

Step-by-step explanation:

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PLEASE HELP i have less than 20 mins left
gulaghasi [49]

3a) Answer: 84 degrees

Step-by-step explanation:

3x + 2(x+20)= 180 (total sum of angles in a triangle is 180 degrees)

5x+40 = 180

5x = 140

x= 28

3x= 28 x 3

   = 84

3 0
2 years ago
Bob bought a bike for $250 and repaired it . He can now sell the bike for $300. What is the percent increase in the value bike ?
alexgriva [62]

Answer:20%

Step-by-step explanation:

250*20%=50

50+250=300

7 0
3 years ago
2. The sum of two times a<br> number squared and four
MaRussiya [10]

Answer:

2·x²+4

Step-by-step explanation:

The sum is an answer to an addition problem and 2 times a number means to multiply by 2.  That number is squared so you it's to the second power.

5 0
3 years ago
Read 2 more answers
If CF = 5, CD = 12, and EF = 5, what is the perimeter of triangle CDE?
Basile [38]

Answer:

The perimeter of triangle CDE is 34.

Step-by-step explanation:

To find the perimeter of a triangle, you have to add all the sides together, since this looks like a isosceles triangle, you would make side ED also 12 and then just add them all together.

12+12+5+5= 34.

8 0
3 years ago
A painter is painting a rectangular wall that measures 23.6 ft by 19.2 ft. Each gallon can of paint covers 200 square feet. What
ludmilkaskok [199]

Answer:

3 gallons

Step-by-step explanation:

Length of the rectangular wall = 23.6 feet

Width of the rectangular wall = 19.2 feet

Surface area of the wall = 23.6 × 19.2

                                        = 453.12 square feet

∵ 200 square feet of the wall is covered by the amount of paint = 1 gallon

∴ 1 square feet of the wall will be covered by the amount of paint = \frac{1}{200} gallons

∴ 453.12 square feet will require the amount of paint = \frac{453.12}{200}

                                                                                         = 2.2656 gallons

Therefore, minimum 3 gallons will be required to paint the wall.

5 0
3 years ago
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