3 years ago

How do you find the y-coordinate of the midpoint for the segment

Mathematics

1 answer:

Shtirlitz [24]3 years ago

6 0

Answer:

you need to give what the segment is or what the endpoint is in order to get this answered better.

Step-by-step explanation:

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Please answer fast this is due soon

ladessa [460]

Step-by-step explanation:

multiply the first equation by 1, the second by -1 and add.

x + 2y = -16

-x - 6y = 28

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

0 - 4y = 12

-4y = 12

y = -3

x + 2×-3 = -16

x - 6 = -16

x = -10

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2 years ago

Solve the given equation by completing the square.

klasskru [66]

Answer:

Step-by-step explanation:

$x^2+8x=38\\\\x^2+8x-38=0\\\\\Delta=8^2+4*38=216=6^3\\\\x=\dfrac{-8-6\sqrt{6} }{2} \ or\ x=\dfrac{-8+6\sqrt{6} }{2}\\\\x=-4-3\sqrt{6} \ or\ x=-4+3\sqrt{6}\\\\a=-4\\b=3\\c=6\\$

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3 years ago

Change the fraction 7/12 to a decimal. Round your answer to the nearest thousandth. A. 1.714 B. 1.700 C. .600 D. .583

mrs_skeptik [129]

Divide

7/12 = <span>.583

We get answer: </span><span>D. .583</span>

4 0

3 years ago

What is 8.05 x 10/-5 in standard notation

Sladkaya [172]

Answer:

0.0000805

Step-by-step explanation:

8.05×10⁻⁵ = 8.05×0.00001 = 0.0000805

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3 years ago

Read 2 more answers

Please answer correctly !!!!!!!!!!!!! Will mark Brianliest pleaseeeee !!!!!!

Dimas [21]

Answer:

2sqrt(10)

Step-by-step explanation:

Use the Pythagorean theorem.

x^2 + 3^2 = 7^2

x^2 + 9 = 49

x^2 = 40

x = sqrt(40)

x = 2sqrt(10)

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3 years ago