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3 years ago

14

Lucy bought a motorcycle for eight thousand dollars. The motorcycle decreases in value every year by five percent. How much shou

ld Lucy's brother pay for the motorcycle if he buys it from her in five years?

1 answer:

Harrizon [31]3 years ago

4 0

Awnser:

Explanation:

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PLEASE HELP ITS A TIMED TEST!!!

nexus9112 [7]

Answer:

First you need to set up an equation y = mx + b. m would be the monthly charge and b would be the one time fee. x represents the number of months.

To solve for the number of months with a total price of 240 we substitute 240 in for y and solve for x.

240 = 25x + 40

subtract 40 from each side

200= 25x

divide by 25

8 = x

8 months

10 + 7r = 45

7r = 35

r = 5

5 milesStep-by-step explanation:

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3 years ago

A cylindrical basin is 2 feet tall and has a diameter of 5 feet, as shown. If the basin is completely filled with water, how muc

jarptica [38.1K]

Answer:

$39.3 ft^3$

Step-by-step explanation:

The cylindrical basin has a height of 2 ft and a diameter of 5 ft.

To find the amount of water that will completely fill up the basin, we simply need to find the volume of the basin.

The volume of a cylinder is given as:

$V = \pi r^2h$

where r = radius of the basin (half the diameter) = 2.5 ft

h = height of the basin

Hence, the volume is:

$V = \pi * 2.5^2 * 2$

$V = 39.27 ft^3$ ≅ $39.3 ft^3$

The cylindrical basin can hold up to $39.3 ft^3$ of water.

5 0

3 years ago

Read 2 more answers

NEED ANSWER ASAP!!!!

lesya692 [45]

Answer:

1st option

Step-by-step explanation:

To find the difference of the given matrices, we just need to subtract the corresponding elements of the two matrices as shown below:

$\left[\begin{array}{cc}-4&8\\3&12\end{array}\right] -\left[\begin{array}{cc}2&1\\-14&15\end{array}\right] \\\\ \\ =\left[\begin{array}{cc}-4-2&8-1\\3-(-14)&12-15\end{array}\right]\\\\ \\ =\left[\begin{array}{cc}-6&7\\17&-3\end{array}\right]$

Thus, 1st option gives the correct answer

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4 years ago

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The number that is multiplied by a power of 10 in scientific notation must be in between 1 and 10

vazorg [7]

Answer:

Thats false

Step-by-step explanation:

When you multiply by a power your basically multiplying that number b itself 10x except for 1

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3 years ago

Jerry has 61 percent on khan. She needs to get 100 percent in one week. How much percent should she get each night to reach her

vova2212 [387]

Answer:

She would need to complete 5.57 each noght to reach her goal of 100%.

Step-by-step explanation:

39/7 is equal to 5.57

7 0

4 years ago