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shepuryov [24]
3 years ago
12

Enter the value of p so that the expression 3(4+n) is equivalent to 3(n+p).​

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer:

3(4+n)

Step-by-step explanation:

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In a survey, 32% of the people chose pizza as their favorite food. The results were reported to within 2% accuracy. What is the
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Answer:

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4 0
2 years ago
2a - 3b = -11<br> a + 3b = 8
dlinn [17]

Answer:

b = 3 and a = -1

Step-by-step explanation:

You have your given equation:

2a - 3b = -11

a + 3b = 8

You need to find what a and b is.

To find b:

2a - 3b = -11

-2a - 6b = -16

I multiplied a + 3b = 8 by -2. When you multiply a number you have to multiply all of them. You have to choose a number that would cancel out all of a.

So now your equation would look like this when you solve for b:

2a - 3b = -11

-2a - 6b = -16

-------------------

a - 9 = -27 then you divide -9 to -27 which is 3 so b = 3.

To find a:

2a - 3b = -11

a + 3b = 8

I multiplied a + 3b = 8 by -1 and 2a - 3b = -11 by -1 as well.

Your equation will look like this when you solve for a:

-2a + 3b = 11

-1a - 3b = -8

------------------

-3a = 3 then divide -3 to 3 which is -1 so a = -1.

Check to see if you have the correct answer by plugging in the number you got for a and b into the equation and solve.

1. 2(-1) -3(3) = -11

 -2 - 9 = -11

2. -1 + 3(3) = 8

   -1 + 9 = 8

8 0
3 years ago
I need to find the angle of a sector of a circle when the arc length is 9pi/8 and the radius is 4.5, please help me!!
Sloan [31]

Answer:

Step-by-step explanation:

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3 0
3 years ago
Free points have a good week!!! Stay safe.
jeka57 [31]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If the total area of a picture measuring 10 inches by 12 inches plus a matting of uniform width surrounding the picture is 224 s
ELEN [110]
Let
x-----------> <span>uniform width surrounding the picture

we know that
(10+2x)*(12+2x)=224-----> 120+20x+24x+4x</span>²=224
4x²+44x+120-224=0
4x²+44x-104=0

using a graph tool-----> to resolve the second order equation
see  the attached figure

the solution is
x=2 in

the answer is
2 inches

4 0
3 years ago
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