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adoni [48]
3 years ago
8

How do i solve 3v + 1 + 7v = -12

Mathematics
2 answers:
Pie3 years ago
6 0

Answer:

Answer:

v=-13/10

Step-by-step explanation:

Our equation: 3v+1+7v=-12

So, lets solve this step by step:

Step #1 - We first need to combine like terms. This means to combine the vs together. Once we combine them, we get:

10v+1=-12

Step #2 - Now we iscolate the variable(which in this case is v). To do this we subtract the 1 to the other side of the equation. Once we subtract the 1 to the -12, we get:

10v=-13

Step #3 - Finally, we must get rid of the coefficent. To do this, we divide the 10 in front of the v by 10. What we do on one side, we must do on the other, which means we must also divide the -13 by 10 as well. Now we get our answer:

v = -\frac{13}{10}

Hope this helps! :3

riadik2000 [5.3K]3 years ago
4 0

Answer:

-1.3

Step-by-step explanation:

3v+1+7v=-12 equation

10v+1=-12 combine like terms

10v=-13 subtract 1 from both sides

v=-1.3 divide by 10

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Num 27. Please answer and explain if you have time but totally not needed
ohaa [14]

Answer:

a. d = \sqrt{3}

b. d = 2\sqrt{3}

c. d = s\sqrt{3}

Step-by-step explanation:

to find the length of the longest diagonal of the cube at first you will find the length of the diagonal if its base

If the length of the side of a cube is x

∴the length of the diagonal of the base = \sqrt{x^{2}+x^{2}}=\sqrt{2x^{2} }=x\sqrt{2}

Now to find the length of the longest diagonal we will use Pythagoras with the side of the cube and the diagonal of the base

d^{2}=(x\sqrt{2} )^{2} + x^{2}=2x^{2} +x^{2} =3x^{2}

d=\sqrt{3x^{2} }=x\sqrt{3}

means the length of the side multiply by root 3

a. The length of the side is 1 so d=\sqrt{3}

b. The length of the side is 2 so d=2\sqrt{3}

c. The length of the side is <em>s  s</em>o d=s\sqrt{3}

6 0
3 years ago
Mount Mo is 5323 feet tall dawn climbed it in five days she climbed 821 feet on the last day how many feet did she climb in the
ANTONII [103]

Answer:

Step-by-step explanation:

d+821=5323

d=4502

So the distance she climbed in the first four days was 4502 feet.

7 0
3 years ago
What is two hundred sixty-five thousandths in standard form?
Debora [2.8K]

Answer:

10^-1*2.65

Step-by-step explanation:

two hundred sixty-five thousandths= 0.265

We need a number between 1 and 10, to do the multiplication in standard form, so 0.265 turns into 2.65.

Because 2.65 becomes, smaller we use a negative power. We only move the decimal place once to the left, so we would multiply 2.65 by 10^1.

10^-1*2.65=0.265

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4 years ago
pls help!! A cylindrical vase has a diameter of 12 inches and a height of 12 inches. If the vase is filled 3/4 full of soil, how
il63 [147K]

Answer:

Answer: the vase contains 1017.36 inches³ of soil.

Step-by-step explanation:

We would apply thee formula for determining the volume of a cylinder which is expressed as

Volume = πr²h

Where

h represents the height of the cylinder

r represents the radius of the cylinder.

π is a constant whose value is 3.14

From the information given

Diameter = 12 inches

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Radius = 6 inches

Height = 12 inches

Therefore,

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If the vase is filled 3/4 full of soil, then the volume of soil in the vase is

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7 0
3 years ago
What is the range of the function graphed?
victus00 [196]
The correct answer is B) 
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You can tell this by looking at the graph. The lowest that it goes is -3. You'll also note that the -3 has an open circle, which means that it isn't includes and thus needs a <.

The highest it goes it 3. You'll note that it has a closed circle, which means it is included and needs a ≤.
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