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STatiana [176]
3 years ago
7

Who can solve this I'm lost

Mathematics
1 answer:
pentagon [3]3 years ago
5 0
I can't solve it but you can enter the equation into www.quickmath.com and it will give you the answer. Hope it helps.
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Could someone help me please thank you
lara31 [8.8K]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST
coldgirl [10]

Answer:

1)4x+4y=1, 6x−y=1

x+y=4, x−y=2

x+y=−2,x+2y=2

2)2x+y=3, 2x−8y=19

Step-by-step explanation:

hope this helps

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6 0
3 years ago
What is the answer to x?
AnnyKZ [126]

Answer:

x=24ft.............

6 0
3 years ago
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THIRD TIME ASKING FOR HELP PLEASE HELP ME!!!!!!!!!!!!!!!!!!!
Fed [463]
<h3>Answer:  9 units</h3>

========================================================

Explanation:

For now, focus on triangle ABD. This is a right triangle due to BD being an altitude.

Use the pythagorean theorem to find that...

(AD)^2 + (BD)^2 = (AB)^2

(1)^2 + (BD)^2 = (3)^2

1 + (BD)^2 = 9

(BD)^2 = 9-1

(BD)^2 = 8

Normally we would isolate BD itself, but I'll stop short and use that last line instead.

------------------

The triangles ABD and BCD are similar triangles (we can prove this using the AA similarity theorem).

Since we have similar triangles, we can form the proportion shown below

AD/BD = BD/CD

This cross multiplies to

AD*CD = (BD)^2

We know that AD = 1 and (BD)^2 = 8, so,

AD*CD = (BD)^2

1*CD = 8

CD = 8

This then means,

x = CD+DA

x = 8+1

x = 9

AC is 9 units long.

8 0
2 years ago
X -8= -5 solve the equation
kogti [31]

Answer:

X=3

Step-by-step explanation:

Step 1: Add 8 to both sides.

x−8+8=−5+8

x=3

8 0
3 years ago
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