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Archy [21]
3 years ago
15

A ball is thrown and the path of the ball is represented by the equation y = -x2 + 7x + 7. What is the rate of change between x

= 0 and x = 5?
Mathematics
1 answer:
frozen [14]3 years ago
3 0

Answer: I’m not sure I’m sooo sorry

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Vertex (0,0) focus (0,-1)<br> A) y=1/4 x^2<br> B) y=-1/4x^2<br> C) y=1/16x^2<br> D) y=-1/16x^2
hichkok12 [17]

Answer:B

Step-by-step explanation:

8 0
2 years ago
Geometry pls help me need help
g100num [7]
A and b because they both match with the following letters
3 0
3 years ago
A childs height measures 105 centimeters. Estimate her height in inches.
Mariulka [41]

Answer:

40 inches

Step-by-step explanation:

if 25 cm = 10 in.

the closest of 105 that can divided by 25 is 100

100/25 is 4

so 4 in. is the answer

3 0
3 years ago
Read 2 more answers
X^{2}+x-90<br> can you answer this please and think you.
Margarita [4]
If this is just factoring, x^2 + x - 90 turns into this:
(x - 9)(x + 10)


If your trying to solve for x, we take the factored expression and set it equal to 0.
(x - 9)(x + 10) = 0

Set each binomial into two equations.
x - 9 = 0 and x + 10 = 0

Solve for x and we get two answers.
x = 9
x = -10
4 0
3 years ago
Lisa surveyed 60 students at her school and found that 0.85 of the students she surveyed said their favorite class is math. Anot
Brums [2.3K]

Answer:

42

Step-by-step explanation:

Number of students whose favorite class is Math:

60*0.85=51

Number of students whose favorite class is Science:

15% is equal to 0.15.

60*0.15=9

Subtract number of students who like science from number of students who like math.

51-9=42

42 more students in the survey prefer math over science.

5 0
3 years ago
Read 2 more answers
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