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katovenus [111]
3 years ago
9

B) What is the power of y in 3y+2=14

Mathematics
1 answer:
DochEvi [55]3 years ago
5 0

3y+2=14

Subtract 2 from both sides.

3y=12

Divide 3 from both sides.

y=4

Now for the second part. We'll do the same process as the first one.

x+7=19

 -7   -7

x=12

---

hope it helps

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1. 112<br><br> 2. 136 <br><br> 3. 68 <br><br> 4. 158 <br><br> 5. 129
RideAnS [48]

Answer:

4. 158

Step-by-step explanation:

First let's make things a little simpler and put these arcs in terms of x.  We know that the degree measure around the outside of a circle, regardless of its size, is 360.  So let's say that arc BC is x.  That means that arc BDC is 360 - x.  This is because arc BC + arc BDC = 360.  Substituting in our x's we have:

x + 360 - x = 360 and

360 = 360.  (That's just the proof that putting in our x's as we did does in fact work!)

Following the formula then, we have

22=\frac{1}{2}(360-x-x) and

22=\frac{1}{2}(360-2x)

Multiply both sides by 2 to get rid of the fraction and get

44 = 360 - 2x

Subtract 360 rom both sides to get

-316 = -2x

Divide both sides by -2 to get that x = 158

Since we are looking for arc BC and we designated arc BC as our x, that means that arc BC = 158.

3 0
3 years ago
X=-4+y and -2x-5y=15
Scrat [10]

Answer:

x=-5, y=-1

Step-by-step explanation:

Substitute x=-4+y into -2x-5y=15. So we have

-2(-4+y)-5y=15

8-2y-5y=15

-7y=7

y=-1

And x is -4+y so x= -4+(-1)= -5.

7 0
3 years ago
7th grade | discover the pattern and continue
german

Answer:

dot

Step-by-step explanation:

5 0
2 years ago
Which problem could be solved with the expression 4 × (6+3)?
rodikova [14]

Answer:

C. Mason goes on vacation with her family for 4 days. Each morning, she bikes 6 kilometers to the donut shop and then 3 more kilometers to the swimming hole. She rides home from the swimming hole in her mom's car. How many kilometers does Mason bike on vacation?

Step-by-step explanation:

For A., the equation would be 4 + 6 - 3

For B., the equation would be 3 x (6 + 4)

So our only option is C.

For C., the equation would be 4 x (6 + 3)

8 0
3 years ago
Read 2 more answers
In polar coordinates, the axis determined by theta=0 is called ?
melisa1 [442]

In polar coordinates, the axis determined by theta=0 is called the positive x-axis or horizontal axis.

To add, in mathematics, the polar coordinate<span> system is a two-dimensional </span>coordinate<span> <span>system in which each point on a plane is determined by a distance from a reference point and an angle from a reference direction.</span></span>

4 0
3 years ago
Read 2 more answers
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