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VARVARA [1.3K]
3 years ago
13

Help Me Number 6 or if you can help me with number 7 if you want too ☺️

Mathematics
1 answer:
Makovka662 [10]3 years ago
7 0
Simply use the formula they give you. For question 6, 4 is the radius. So the area of the circle is 4pi. Now for seven you do the same thing, but they gave you the diameter instead and it’s a half circle. So try that one on your own. Let me know if you get stuck
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Which expressions represent a quadratic expression in factored form?
Bingel [31]

Answer:

3 and 4

Step-by-step explanation:

Well to start we have to know that they are asking us, a factorized form of a quadratic expression

a quadratic expression is of the form

ax ^ 2 + bx + c

Now the factored form is as follows            

 a ( x - x1 )  ( x - x2 )

Next, let's look at each of the options

In this case we lack a term with x since if we solve we have a linear equation

1.    5(x+9)

  5x + 45

In this case if we pay attention they are being subtracted instead of multiplying, so we will not get a quadratic function

2.    (x+4) - (x+6)

       -2

In this case we have everything we need, now let's try to solve

3.     (x-1) (x-1)

      x^2 - x - x + 1

      x^2 - 2x + 1       quadratic function

In this case we have everything we need, now let's try to solve

4.     (x-3) (x+2)

        x^2 -3x +2x -6

         x^2 -x - 6    quadratic function

In this case we have a quadratic function but we do not have it in its factored form since we can observe the x ^ 2

5.     x^2 + 8x

8 0
3 years ago
Change 23/5 to a mixed number
Verizon [17]
4 and 3 fifths To get that you divide 20 by 5 and put the 3 over the 5 Hope that helped you
8 0
3 years ago
Are 3.25/2.5 , 5.98/4.6 and 6.76/5.2 proportional?​
natali 33 [55]

yes, they are all proportional

7 0
3 years ago
Read 2 more answers
Please help me im gonna have to do this over again if i get it wrong
frez [133]
<h2><u>✎ </u><u>Answer:</u></h2>

<u />1\frac{1}{2} batches

➛➛➛➛➛

\frac{1/2}{1} =\frac{3/4}{x}

\frac{1}{2} =\frac{3}{4x}

cross~multiply

4x=2(3)

\frac{4x}{4} =\frac{6}{4}

x=\frac{3}{2} =1\frac{1}{2}

<h3>✂----------------</h3><h3>hope it helps...</h3><h3>have a great day!!</h3>
3 0
3 years ago
Quadrilateral ABCD with vertices A(-4, 1), B(-2,3), C(0,-2), and D(-5,-2) Give the coordinates of the image if k=3.
borishaifa [10]

If you're using a coordinate plane, I think it makes a trapezoid

3 0
2 years ago
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