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marshall27 [118]
3 years ago
5

Melanie saves $20 every month in her savings account. She withdrew $60 one time to go shopping. She now has $280 in her account.

Which equation represents this situation?
20m/60 = 280
20m/60 = 280

20m + 60 = 280
20m + 60 = 280

20m - 60 = 280
20m - 60 = 280

20m (60) - 280
Mathematics
1 answer:
Trava [24]3 years ago
5 0

Answer:

20m - 60 = 280

Step-by-step explanation:

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I am really bad at math
Maurinko [17]

Answer:

14 1/3

if you do 14 1/3 times two then add 8 u get 35

4 0
3 years ago
I dont get this please help
Viktor [21]

Step-by-step explanation:

the side lengths of the base (the ground triangle) are equal. that means every ground side length is 8 in.

and that also makes the 3 triangles of the side areas of the pyramid equal.

so, for the surface area of the pyramid we need to calculate the area of one side area triangle, multiply it by 3 (as we have 3 side areas) and add the area of the ground triangle.

the area of a triangle is

baseline × height / 2

so, for a side area triangle we get

8 × 14 / 2 = 8×7 = 56 in²

all 3 side areas together are then

3×56 = 168 in²

the ground area triangle is then

8 × 6.9 / 2 = 4 × 6.9 = 27.6 in²

so, the total surface area of the pyramid is

168 + 27.6 = 195.6 in²

4 0
2 years ago
2x + y = 9<br> x = y - 3
lawyer [7]

Answer:

x=2 and y=5

Step-by-step explanation:

Steps:

I will solve your system by substitution.

x=y−3;2x+y=9

Step: Solve x = y − 3 for x:

Step: Substitute y − 3 for x in 2x + y = 9:

2x+y=9

2(y−3)+y=9

3y−6=9(Simplify both sides of the equation)

3y−6+6=9+6(Add 6 to both sides)

3y=15

3y/3=15/3  (Divide both sides by 3)

y=5

Step: Substitute 5 for y in x = y − 3 :

x=y−3

x=5−3

x=2(Simplify both sides of the equation)

Answer:

x=2 and y=5

3 0
3 years ago
Read 2 more answers
Helpppp plsssss!!
aivan3 [116]

If the lines are parallel, the have to have the same slope

so if the red line has a slope of 2/5, the green line will have a slope of  2/5

Answer: 2/5

Choice B

8 0
3 years ago
Three less than the quotient of ten and a number, increased by six” when n = 2?
Musya8 [376]
(10/n  +6) -3
10/2+6-3
5+6-3
11-3
8
Hope this helped!
3 0
3 years ago
Read 2 more answers
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