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EastWind [94]
3 years ago
15

8th grade khan academy

Mathematics
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

d = 11t - 20

Step-by-step explanation:

Hope it helps and have a great day! =D

~sunshine~

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Laura borrowed $1,990 at 5% for 2 years. what was the total interest?
Gnom [1K]

Answer:

$199

Step-by-step explanation:

I = Prt

I = (1990)(0.05)(2)

I = 199

7 0
3 years ago
Need help with this!!
wariber [46]

Answer:

below

Step-by-step explanation:

1) slope = rise / run

2 coordinates are (-4, 0), (0, 2).

2 - 0 = 2

0 -- 4 = 4

2 / 4 = 1/2 so the slope is 0.5 or ½

2) it crosses the y axis at the average of the origin and 4.

4 + 0 = 4 / 2 = 2 so y intercept is 2.

3) in y= mx + b form

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3 0
2 years ago
How do you make 'a' the subject of the formula: ab - cd = ac
xxTIMURxx [149]
First bring all terms in 'a' to the left side of the formula by subtracting ac from both sides

ab - ac - cd = ac - ac 
ab - ac - cd = 0
now add cd to both sides
ab - ac -cd + cd = cd
ab - ac = cd
now factor the left side by taking out the 'a' 
a(b-c) = cd
now divide both sides by (b-c)
a = cd / (b-c)
done

3 0
3 years ago
On a coordinate plane, 5 squares are shown. Square L M N P has points (negative 3, 1), (negative 1, 1), (negative 1, negative 1)
hodyreva [135]

Answer:

the answer is 4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A person has three times as many nickels as quarters. if the total face value of these coins is $4.40, how many of each type of
saul85 [17]
3 nickels and 1 quarter add to $0.40.
The person has 11 times that amount, so has 11 quarters and 33 nickels.
6 0
3 years ago
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