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3 years ago

Please help, I will give brainlist

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

6 0

Answer:

Sarah will earn $25.984 in interest in 7 years.

Step-by-step explanation:

1. $64 x 5.8% = $3.712

2. $3.712 x 7 years = $25.984

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George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the length

spin [16.1K]

We know that the sandbox is square, and that the area is 160 sq ft. Since A = s^2 for a square, let's work backwards and find s if A = 160 sq ft = s^2.

s^2 = 160 = 16(10). We do this because 16 is the largest perfect square factor of 160.

Then the length of one side of the square is approx. s = 4√10 ft (12.65 ft)

7 0

3 years ago

If you had carried out the algebra using variables before plugging numbers into your expressions, you would have found that (vf)

SashulF [63]

Answer:

Step-by-step explanation:

Volt is energy per electric charge

$1V=1J/C$

and the energy units in terms of meters, seconds and kilograms are:

$1J= 1kg\frac{m^{2}}{s^{2}}$

So the unit of volt is

$1V= kg \frac{m^{2}}{Cs^{2}}$

So the velocity expression (it can not be read completly) but i guess that it could be as follows

$vf_{a} = -2\sqrt{\frac{q_{a}\Delta V}{m_{a}}}$

So the unit analysis would be

$vf_{a} = \sqrt{\frac{C kg\frac{m^{2}}{Cs^{2}}}{kg}}}$

note that the coulomb unit of numerator is cancelled from the denominator. The same occurs for kg unit.

$vf_{a} = \sqrt{\frac{m^{2}}{s^{2}}}$

Applying square root

$vf_{a} = \frac{m}{s}$

7 0

3 years ago

Mason walked 1/3 mile before lunch and 5/12 mile after lunch.how many miles did he walk in all?

aniked [119]

3/4 miles

work:
1/3 x 4 = 4/12
4/12 + 5/12 = 9/12(answer)

9/12 ÷ 3 = 3/4(simplified)

8 0

3 years ago

The shape made when a solid is cut through parallel to the base is called a ____________.

Nastasia [14]

Answer:

Whatever the base of the shape is, that's the answer

Step-by-step explanation:

For example: a triangular prism cut through parallel to the base would be a triangle

6 0

1 year ago

Kristin spent $42 on lunch for 7 people. She spent the same amount on each person. How much money did she spend on each person?

marin [14]

42 / 7 = 6 so 6 people

6 0

2 years ago