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TEA [102]
3 years ago
7

Make a circle graph for each set of data.

Mathematics
1 answer:
Semmy [17]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Which problem situation can be represented by the equation below?
olasank [31]
I believe the answer is H,
Karen had a gift card for $150. She bought 3 gifts for her sister. The gifts cost the same amount, X. After paying for the gifts, her card had a balance of $60. How much did each gift cost?
5 0
3 years ago
Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?
Anastasy [175]

Answer:

y = 9(x +\frac{1}{2}) ^ 2 -\frac{13}{4}

Step-by-step explanation:

An equation in the vertex form is written as

y = a (x-h) + k

Where the point (h, k) is the vertex of the equation.

 

For an equation in the form ax ^ 2 + bx + c the x coordinate of the vertex is defined as

x = -\frac{b}{2a}

In this case we have the equation y = 9x^2 + 9x - 1.

Where

a = 9\\\\b = 9\\\\c = -1

Then the x coordinate of the vertex is:

x = -\frac{9}{2(9)}\\\\x = -\frac{9}{18}\\\\x = -\frac{1}{2}

The y coordinate of the vertex is replacing the value of x = -\frac{1}{2} in the function

y = 9 (-0.5) ^ 2 + 9 (-0.5) -1\\\\y = -\frac{13}{4}

Then the vertex is:

(-\frac{1}{2}, -\frac{13}{4})

Therefore The encuacion excrita in the form of vertice is:

y = a(x +\frac{1}{2}) ^ 2 -\frac{13}{4}

To find the coefficient a we substitute a point that belongs to the function y = 9x^2 + 9x - 1

The point (0, -1) belongs to the function. Thus.

-1 = a(0 + \frac{1}{2}) ^ 2 -\frac{13}{4}

-1 = a(\frac{1}{4}) -\frac{13}{4}\\\\a = \frac{-1 +\frac{13}{4}}{\frac{1}{4}}\\\\a = 9

<em>Then the written function in the form of vertice is</em>

y = 9(x +\frac{1}{2}) ^ 2 -\frac{13}{4}

7 0
3 years ago
Crystal bowled two games for a total score of 202. Her score for the first game was 30 points less than the score of her first g
vlada-n [284]
X + x -30 = 2022x - 30 = 2022x = 232x =116 first game = 116second game = 116 - 30 = 86116 + 86 = 202 second game = 86
6 0
3 years ago
Read 2 more answers
-4 ≥ x + 2 &lt; 1
Reil [10]
-4 line under > SO -4 > x + 2 < 1

                              (-4 > x + 2) and (x + 2 < 1)


                               (x < -6)  and (x < 1)
     
                                Now combine the ranges

                                x line under < SO 

                                x < -6 is your answer

Brainliest if satisfied!!!
8 0
3 years ago
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a paper factory makes 8415 sheets of paper and 45 minutes how many sheets of paper does the factory make in one minute
lesantik [10]
Do 8415 divided by 45 which is 187


4 0
3 years ago
Read 2 more answers
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