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Scilla [17]
3 years ago
15

What is the value of the expression when a = -2, b = 3, and c = -6?

Mathematics
1 answer:
Artyom0805 [142]3 years ago
7 0
<h2> Answer : –1</h2>

^^

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-2 (2x + 11) = 5x + 14
amid [387]

Answer:

x=-4

Step-by-step explanation:

First, write the expression and distribute.

-2(2x+11)=5x+14

-4x-22=5x+14

Add one of the variables to the other side (it makes solving a lot easier). I'll add 4x to both sides because it won't result in a negative x.

-4x-22=5x+14

<u>+4x      +4x</u>

-22=9x+14

Now, subtract 14 on both sides.

-22=9x+14

<u>-14        -14</u>

-36=9x

Divide both sides by 9.

-36=9x

<u>/9   /9</u>

-4=x  or  x=-4 (they both mean the same thing)

Have a wonderful day! I hope this helped :3

3 0
3 years ago
Ms. Cathy bought a package of pencils. Out of every 10 pencils, 5 are black. If there are 20 pencils in the pack, what fraction
Advocard [28]

Answer:

there are 10 black pensoles

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
6x - 170 = -4x + 110​
strojnjashka [21]

Answer:

=-110

Step-by-step explanation:

:)

7 0
3 years ago
Convert 14° into radians manually (no calculator) please show work. Thank you in advance!!
Inessa [10]

1 degree is \dfrac\pi{180} radians. So 14 degrees is \dfrac{14\pi}{180}=\dfrac{7\pi}{90} rad.

Easy way to remember this: one complete revolution in a circle is 360 degrees. But it's also 2\pi radians. So the conversion rate is

\dfrac{2\pi\,\rm rad}{360^\circ}=\dfrac{\pi\,\rm rad}{180^\circ}

i.e. for every \pi radians there are 180º.

7 0
3 years ago
Read 2 more answers
A honeydew melon is shaped like a sphere with a diameter of 8 inches. Which value is closest to the volume of the melon?
Aleksandr [31]

Answer:

The volume of sphere  = 268.08

Step-by-step explanation:

Below is the calculation for the volume of melon (sphere).

Given the diameter of the sphere is = 8 inches

Now find the radius by dividing the diameter by 2 = 8/2 = 4 inches

Now use the below formula to find the volume.

The volume of sphere  = \frac{4}{3} \times \pi \times r^{3}

The volume of sphere  = 268.08

3 0
3 years ago
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