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castortr0y [4]
3 years ago
8

The rectangular coordinates of a point are unique. true or false.

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
8 0
TRUE HOPE THIS HELPS BC I DONT REALLY UNDERSTAND BUT I CAN SAY THAY AT LEAST TRIED
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Solve for x. <br><br> 3(x + 5) - 2(x + 2) = 20
IRINA_888 [86]
[tex] 3(x + 5) - 2(x + 2) = 20 \\
3x + 15 - 2x - 4 = 20\\
5x + 11 = 20\\
5x = 9\\
x = 1\frac{4}{5} [tex]
4 0
3 years ago
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Simplify 10^–8. <br> 1/-100000000 <br> 1/100000000 <br> 1/-80 <br> 1/80
cluponka [151]

Answer:

C

Step-by-step explanation:

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3 years ago
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Assume y varies directly with x. when y=2 2/3 when x=1/4, what is y when x=1 1/8? NEED HELP QUICK!!
snow_tiger [21]

3y=8x

Explanation:

If y varies directly with x then

y=c⋅x for some constant of variation c

If (x,y)=(14,23) is a solution to this equation, then

23=c⋅14

→c=23⋅41=83

So

y=83x

or (clearing the fraction)

3y=8x

7 0
3 years ago
The hypotenuse of a right triangle is 7 feet long. One leg is 4 feet longer than the other. Find the lengths of the legs, Round
Andrews [41]

Answer:

Shorter leg = 2.5 ft.

Longer leg = 6.5 ft.

Step-by-step explanation:

a^2 + b^2 = c^2

Because the hypotenuse = 7 ft, a^2 + b^2 = 49

To represent the two legs, we can use x and x+4.

x^2 + (x+4)^2 = 49

Simplifying this equation using FOIL gives us 2x^2 + 8x - 33 = 0.

Then, using the quadratic formula, we find that x = 2.5.

Thus, the shorter leg is 2.5 ft. and, when 4 is added, the longer leg is 6.5 ft.

5 0
2 years ago
A solid has 12 faces and 18 edges how many vertices does it have
frutty [35]

Answer:

8 vertices

Step-by-step explanation:

Use Euler's Theorem: V-E+F=2

F=12

E=18

Thus, we have:

V-18+12=2

V-18=-10

V=8

So there are 8 vertices

6 0
3 years ago
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