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3 years ago

15

Margo borrows $400, agreeing to pay it back with 5% annual interest after 6 months. How much interest will she pay?

2 answers:

nadezda [96]3 years ago

7 0

$20 of interest. An easy way to think about this problem is first to solve for 10 percent which is easy because you just move the decimal to the left one place, then 5% is half of 10% which is equal to 40 so 40 divided by 2 equals 20

pochemuha3 years ago

3 0

20$ of interest 100 divided by 5= 20$$$$

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X^2-11=53 in the simplest form

Vedmedyk [2.9K]

Answer:

x=±8

Step-by-step explanation:

You add 11 on both sides

x^2=53+11

x^2 = 64 so

x=8 or x=-8

3 0

3 years ago

PLEASE HELP!!! WILL MARK BRAINIEST

Serga [27]

y = -4x + 3 this line has slope = -4

parallel lines, slope is the same so slope of new line is also equal -4

passing thru (8, -3)

y = mx + b

b = y - mx

b = -3 - (-4)(8)

b = -3 + 32

b = 29

equation:

y = -4x + 29

hope it helps

7 0

3 years ago

How do you separate money?

pochemuha

Well you separate it into different stacks

5 0

3 years ago

Can someone help me with this please? I will mark you brainliest

lina2011 [118]

Answer:

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Step-by-step explanation:

6 0

3 years ago

A pyramid of volume 344 square units is sliced into two pieces by a plane parallel to the base of the pyramid and 10 units away

Tom [10]

Answer:

80 units

Step-by-step explanation:

v = 1/3 bh

v₁ = 1/3 * b * h₁ = 344

v₂ = 1/3 * b * h₂ = 301

v₁ / v₂ = h₁ / h₂ = 344 / 301

h₂ = h₁ - 10

h₁ / (h₁ - 10) = 344 / 301

344 * (h₁ - 10) = 301 * h₁

344* h₁ - 3440 = 301 * h₁

43 * h₁ = 3440

h₁ = 80

4 0

3 years ago