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Vikentia [17]
3 years ago
10

In a school with 2,000 students, a random sample of 120 students were asked which fruit is their favorite. Their

Mathematics
2 answers:
alex41 [277]3 years ago
7 0
567 students would pick orange
Maslowich3 years ago
5 0
567 students would pick orange
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Adele is buying a sport utility vehicle. She is trying to choose among a variety of options.
Alex777 [14]

Adele's error was she should have multiplied the total of all the choices.

7 0
3 years ago
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Find the vertex, zero(s), and y-intercept of the graph of y = –x2 + 4x + 32.
xxMikexx [17]

Answer:

The correct option is A.

Step-by-step explanation:

The given equation is

y=-x^2+4x+32

Put x=0, in the given equation.

y=-(0)^2+4(0)+32=32

The y-intercept is (0,32).

Put y=0, to find the x-intercept.

0=-x^2+4x+32

0=-x^2+8x-4x+32

0=-x(x-8)-4(x-8)

0=-(x+4)(x-8)

x=-4,8

Therefore the y-intercepts are (-4,0) and (8,0).

The vertex of a parabola f(x)=ax^2+bx+c is

(-\frac{b}{2a},f(-\frac{b}{2a}))

-\frac{b}{2a}=-\frac{4}{2(-1)}=2

Put x=2 in the given function.

y=-(2)^2+4(2)+32

y=-4+8+32

y=36

The vertex is (2,36).

Therefore option A is correct.

5 0
3 years ago
Read 2 more answers
What are the solutions to the quadratic equation 4x^2 + 28x = 0?
nlexa [21]

Answer:

Hi ! I hope you're doing good

So, The Right answer is x=0 and x =-7 (c)

I hope it's helpful for you

Step-by-step explanation:

6 0
3 years ago
It takes Jaeylynn 12 minutes to walk to 2 miles to the park. At that rate, how many miles does she walk per hour?
DaniilM [7]
Answer: 10

Solution:
60/12 = 5
2 x 5 = 10
8 0
3 years ago
The sum of 5 consecutive even numbers is 20
kow [346]

Answer:

2,3,4,5,6

Step-by-step explanation:

20/5=4

4-2=2

4-1=3

4

4+1=5

4+2=6

2,3,4,5,6

6 0
3 years ago
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