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sasho [114]
3 years ago
15

What formulas can you use to find the area of a rectangle

Mathematics
1 answer:
IrinaVladis [17]3 years ago
6 0

Answer:

Area = Length x width

Step-by-step explanation:

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What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120?
GrogVix [38]
Convert 8% too decimal form = 8/100 = .08
1250 * .08 = 100
1250 + 100 = 1350
To find out how many payments of 120 can be made :
120x = 1350
divide both sides by 120
x = 11.25 payments of $120
since .25 is a fraction calculate the actual $ amount by mult. 120 * .25 = $30
The last payment is $30

8 0
3 years ago
If x+y=5,x-y=4,find the value of x²-y²​
inysia [295]

Answer:

20

Step-by-step explanation:

→ First find the value of x and y

x + y = 5

x - y = 4

→ Add the equations to cancel out the y's

2x = 9

→ Divide both sides by 2 to find the value of x

x = 4.5

→ Substitute x = 4.5 back into x - y = 4 to find the value of y

4.5 - y = 4

→ Minus 4.5 from both sides to isolate -y

-y = -0.5

→ Multiply everything by -1

y = 0.5

→ Substitute x = 4.5 and y = 0.5 into x² - y²

4.5² - 0.5² = 20.25 - 0.25 = 20

4 0
3 years ago
A ladder is placed against a wall of a building 20m above the ground. The foot of the ladder is 15m away from the bottom of the
olganol [36]
By the Pythagorean Theorem:

L^2=20^2+15^2

L^2=400+225

L^2=625

L=25 m
4 0
3 years ago
On Dan's eReader 2/3 of the books are fiction. Of the fiction books, 4/5 are mysteries. What fraction of the books on Dan's eRea
GaryK [48]

Answer:

4/6

Step-by-step explanation:

hope this helps you

8 0
3 years ago
Marco scored 1,753 points
enyata [817]

Answer:

All you have to do is subtract!

<em>1753 - 887</em> = 866

Therefore, Marco scored 866 more points than Jasmine. Hope this helped! :)

3 0
3 years ago
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