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yan [13]
3 years ago
15

(HELP FAST FOR 20 POINTS)

Mathematics
1 answer:
jasenka [17]3 years ago
3 0
Basketball, since the total students surveyed are 350, and 20% of that is 70 which is the amount of students that preferred basketball
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Please help me with this math problem
Sergio [31]

Answer:

The table is a quadratic function

Step-by-step explanation:

Given

The attached table

Required

Tell if it is a quadratic function

The difference in the x values are uniform (i.e. difference of 1), so the following method can be applied.

(1) Subtract adjacent y values.

d_1=2 - 16 = -14

d_2=-2 - 2 = -4

d_3 = 4--2 = 6

d_4 = 20 - 4 = 16

(2) Subtract adjacent differences in (1) above

d_5 = d_2 - d_1 = -4 --14 = 10

d_6 = d_3 - d_2 = 6 --4 = 10

d_7 = d_4 - d_3 = 16 -6 = 10

Notice the calculated differences in (2) are the same.

<em>Hence, the table is a quadratic function</em>

3 0
3 years ago
Write the equation of a line in slope intercept form that passes through the points (0, 7) and (5, 3)
malfutka [58]

first you find the slope by making using the quation for slope

(7-3)/(0-5) and you find your slope is 4/-5. Then you can plug this into point slope form using on of the coordinates so:

y-y1=m(x-x1) --> y-3=-4/5(x-5)

then you distribute the -1 so -----> y-3=-4/5x+4 and then move the 3 over

so the answer is y= -4/5x+7

5 0
3 years ago
Read 2 more answers
Given that PQRS≅WXYZ, find the corresponding parts.
scoundrel [369]

Answer:

wz is the corresponding part

Step-by-step explanation:

5 0
2 years ago
What is 1/4 divided by -1/2?
Sergio039 [100]

Answer:

1/2

Step-by-step explanation:

KEEP 1/4 CHANGE the sign to multiplication FLIP 1/2 to 2/1

new equation: 1/4 x 2/1

now we can solve

we do: 1 x 2= 2

so 2 is our nominator

then we do: 4 x 1= 4

so 4 is our denominator

combine the nominator and denominator and we get

1/2 which in decimal form is 0.5

3 0
3 years ago
What is 76.47 15% of.
gavmur [86]
76.47% of 15 is 11.47 you just multiply 76.47 x 15
8 0
3 years ago
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