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Dahasolnce [82]
2 years ago
9

What is x and what is y?

Mathematics
1 answer:
Elena L [17]2 years ago
5 0

Step-by-step explanation:

i hope the illustrations are clear

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Elanso [62]

Answer:

48

because I know........

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3 years ago
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Solve for d<br> 1.2+d+0.4=9.7
mote1985 [20]
1.2+d+0.4=9.7
1.6+d=9.7
-1.6. -1.6

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3 years ago
Help me pleasee (10 points)
Montano1993 [528]

Answer:

B

Step-by-step explanation:

Givens

a^2 + b^2 = c^2

a = 4x

b = x + 2

c = 3x + 4

Solution

(4x)^2 + (x + 2)^2 = (3x + 4)^3                  Remove all the brackets.

16x^2 + x^2 + 4x + 4 = 9x^2 + 24x + 16  Collect like terms on the left

17x^2 + 4x + 4 = 9x^2 + 24x + 16            Subtract the terms on the right

8x^2 - 20x - 12 = 0

This factors into

(4x - 12)(2x + 1)

There are 2 answers

4x - 12 = 0

4x = 12

x = 12/4

x = 3

or

2x + 1 = 0

2x = - 1

x = - 1/2

You have to look at x = -1/2 carefully. The problem is that 4x = 4*(-1/2) = - 2 which is not possible in Euclidean Geometry.

So the only answer is x = 3

4 0
3 years ago
2y^2-10y^2+9y-45 <br> Factor polynomial completely
hammer [34]

Answer:

-8y^2+9y-45

Step-by-step explanation:

symbolab.com

4 0
3 years ago
Jeremy flew 8 times last week for work. If each flight was 2 hours long, how much time did Jeremy spend in the air?
tatiyna

Answer:

16

Step-by-step explanation:

8 0
3 years ago
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