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pogonyaev
2 years ago
14

A bank says you can double your money in 8 years if you put $2,000 In a simple interest account. what annual interest rate does

the bank pay?
Mathematics
2 answers:
Monica [59]2 years ago
5 0
A = P*r*t
A = overall value
P = principal (initial value)
r = annual interest
t = time (in years)

Plug in what we have:
4000 = 2000*r*8
Simplify:
0.25 = r
The annual interest is 25%
Viktor [21]2 years ago
3 0

Answer:

the correct answer is 12.5 percent

Step-by-step explanation:

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Ratio is the number of something beside another number of something i.e. ( There are 2 boys and three girls so the Ratio would be 2:3) Therefore the answer would be 5:11:4:4. Yiou want the goats ratio of the total number of animals so we will add all animals EXcEPT the goat. 5+11+4 = 20 so the ratio would be 4:20
5 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPP
SVEN [57.7K]
If x + y = 6, then solve for y to get: y = 6 - x.

Now replace y with 6 - x in both equations.

(5x)/3 + 6 - x = c

2(6 - x) = c - 4x

The upper equation is solved for c.
Now we solve the lower equation for c.

c = 2(6 - x) + 4x

c = 12 - 2x + 4x

c = 2x + 12

Since we have two equations solved for c, we substitute to get

(5x)/3 + 6 - x = 2x + 12

This is an equation in only x, so we can solve for x.

(5x)/3 - 3x = 6

5x - 9x = 18

-4x = 18

x = -9/2

Now we solve for y.

x + y = 6

-9/2 + y = 6

y = 9/2 + 12/2

y = 21/2

Now we solve for c.

c = (5x)/3 + y

c = (5 * (-9/2))/3 + 21/2

c = -45/6 + 21/2

c = -15/2 + 21/2

c = 6/2

c = 3

Answer: c = 3
7 0
3 years ago
How many strings are there of four lowercase letters that have the letter x in them?
borishaifa [10]
We can subtract from the number of strings of length 4 of lower case letters the number of string of length 4 of lower case letters other than x. Thus the answer is 264 − 254 = 66,<span>351</span>
6 0
3 years ago
What is the equation of the line that passes through the point (-6,7) and has a slope of -5? Write the equation in slope interce
V125BC [204]

Answer:

y = -5x - 23

Step-by-step explanation:

Write it in point - slope form:

y - 7 = -5(x + 6)

rearrange:

y - 7 = -5x - 30

y = -5x - 23

8 0
2 years ago
Write the equation of a line, in SLOPE INTERCEPT FORM, that is perpendicular to the given equation and passes through the given
adoni [48]

Step-by-step explanation:

slope interception formula is

y-y1=m(x-x1)

where m is m=y-y1/x-x1 in this case m=-2 because the line we are trying to find is parallel to the given one y=-2x-6 where slope k=-2

so the final equation would be

y-1=-2(x-(-4))

y-1=-2x-2*4

y=-2x-8+1=-2x-7

4 0
3 years ago
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