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Anettt [7]
2 years ago
12

Ignore my 1st one! Find the value of x.

Mathematics
2 answers:
elixir [45]2 years ago
7 0
12^2+x^2=15^2
144+x^2=225
- 144 -144
=81= 9
X=9
cupoosta [38]2 years ago
7 0

Answer:

x=9

Step-by-step explanation:

Use Pythagorean Theorem -> a^2 + b^2 = c^2

a^2 + b^2 = c^2

(12^2) + b^2 = (15^2)

144 + b^2 = 225

225 - 144 = 81

√81 = 9

x = 9

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2 years ago
Two lines that lie in the same plane and do not intersect are classified as_____
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5 0
3 years ago
Read 2 more answers
Mr. Engen rented a car for 35.00 a day and 0.45 a mile . He had the car for 2 days and paid 166.75 . How many miles did he drove
liubo4ka [24]

d = days rented for

m = miles driven for

so the cost of the car is 35 bucks a day and 45 cents or $0.45 per mile driven, let's check it out for say a few days

1st day, 3 miles......................35(1) + 0.45(3)

2nd day, 2 miles..................35(2) + 0.45(2)

3rd day, say 5 miles............35(3) + 0.45(5)

dth day, and m miles..........35d + 0.45m

so the cost function could be written as C = 35d+0.45m.

now, we know for 2 days, d = 2, it cost 166.75 bucks, so

\bf C=35d+0.45m\implies \stackrel{C}{166.75}=35(\stackrel{d}{2})+0.45m\\\\\\166.75=70+0.45m\implies 96.75=0.45m\\\\\\\cfrac{96.75}{0.45}=m\implies 215=m

7 0
3 years ago
A Rhombus with diagonal 1 equal to 5 ft and diagonal 2 equal to 8 ft
Minchanka [31]

Answer:

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Area of a thrombus

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20

4 0
3 years ago
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the perimeter of the top of a desk is 54 inches if the length of the desk is 15 inches what is the width of the desk
nexus9112 [7]
54-15=39
if you want to check your answer you add 39+15=54

6 0
3 years ago
Read 2 more answers
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