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Mathematics

1 answer:

Bond [772]2 years ago

6 0

I got D, but it had a decimal at the end between the 2 and the 6.
But i still got D. So D is my answer.

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Please help me with #'s 5&6

Fynjy0 [20]

$5.\\(x+3)^2+7=-2\qquad|-7\\\\(x+3)^2=-9 < 0\\\\\text{NO REAL SOLUTION}\\\\(x+3)^2=-9\to x+3=\pm\sqrt{-9}\\\\x+3=-3i\ \vee\ x+3=3i\qquad|-3\\\\\boxed{x=-3-3i\ \vee\ x=-3+3i}$

$6.\\4(x-10)^2=25\qquad|:4\\\\(x-10)^2=\dfrac{25}{4}\to x-10=\pm\sqrt{\dfrac{25}{4}}\\\\x-10=-\dfrac{\sqrt{25}}{\sqrt4}\ \vee\ x-10=\dfrac{\sqrt{25}}{\sqrt4}\\\\x-10=-\dfrac{5}{2}\ \vee\ x-10=\dfrac{5}{2}\\\\x-10=-2.5\ \vee\ x-10=2.5\qquad|+10\\\\\boxed{x=7.5\ \vee\ x=12.5}$

7 0

2 years ago

There are 8 ounces in 1 cup. The table shows some conversions between ounces and cups. Which equation describes how to convert b

ipn [44]

Answer:

Z=8C

If you times Cups C by 8, you get ounces Z. Sorry, not too sure how to explain here.

7 0

2 years ago

Hi how your day going if it good and you have time then help me please

kherson [118]

Answer:

My day is going good so far

Anyways, the answer is 7 21/25

Step-by-step explanation:

4 + 8/5 + 8/5 + 16/25 =

4 + 16/5 + 16/25 =

4 + 80/25 + 16/25 =

4 + 96/25 =

4 + 3 + 21/25 =

7 + 21/25 =

7 21/25

6 0

2 years ago

Read 2 more answers

Type the integer that makes the following addition sentence true:<br> = 6<br> 39 +

quester [9]

-33

Hope this helps. :)))))

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2 years ago

How do I find the zeros using factoring

Lynna [10]

To much of an open ended question

6 0

2 years ago