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3 years ago

15

Solve -3.5 = for x using the multiplication property of equality. The operation in the problem is eration is Addition Subtractio

n Multiplication Division

1 answer:

Gemiola [76]3 years ago

6 0

The answer is the Division on the top The multiplication then -14

Step-by-step explanation: I hope this will help you

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3c/4 - 2c/3 = 4 (Solve with work please

mars1129 [50]

C = 9/28 = 0.321

https://www.tiger-algebra.com/drill/3c-3/4=2c/3/

3 0

3 years ago

Which ordered pairs are solutions to the system? Check all of the boxes that apply.

77julia77 [94]

Answer:

the answer is the 3rd & 5th one for anyone doing this question ; )

Step-by-step explanation:

I just did this question

It's right i just checked

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3 years ago

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Elanso [62]

Answer:

i rath r buy...

the twin-pack

sunscreen

Step-by-step explanation:

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3 years ago

Numbers like 10, 100, 1,000, and so on are <br><br> called?

mylen [45]

Numbers starting with a 1 and followed by only 0s (such 10, 100, 1,000,10,000, and so forth) are called powers of ten, and they're easy to represent as "exponents". Powers of ten are the result of multiplying 10 times itself any number of times.

3 0

3 years ago

Which of the following expressions is a factor of the polynomial x 2 +3/2x-1

Elodia [21]

Answer:

$\large \boxed{\sf \ \ \ (x+2)(x-\dfrac{1}{2}) \ \ \ }$

Step-by-step explanation:

Hello,

let's solve

$x^2+\dfrac{3}{2}x-1=0\\\\ 2x^2+3x-2=0 \ \text{multiply by 2}\\\\\\$

$\Delta=b^2-4ac=9+4*2*2=9+16=25$

There are two solutions

$x_1=\dfrac{-3-\sqrt{25}}{4}\\\\x_1=\dfrac{-3-5}{4}\\\\x_1=\dfrac{-8}{4}\\\\\boxed{x_1=-2}$

And

$x_2=\dfrac{-3+\sqrt{25}}{4}\\\\x_2=\dfrac{-3+5}{4}\\\\x_2=\dfrac{2}{4}\\\\\boxed{x_2=\dfrac{1}{2}}$

So we can write

$x^2+\dfrac{3}{2}x-1\\\\=(x-x_1)(x-x_2)\\\\=(x+2)(x-\dfrac{1}{2})$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0

3 years ago