Brainlisted for right answer!!! 50 points!!! Please help me!!! I really need this done!!!

Mathematics

1 answer:

MAXImum [283]3 years ago

6 0

Step-by-step explanation:

Um sorry but I can not see the image clearly so I think that is why no one is answering. Sorry. No offense.

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At a local school the ratio of boys to girls was 8 to 9 if there were 117 girls how many boys were enrolled in the school?

lilavasa [31]

The number of boys in the schools is 104.

Step-by-step explanation:

Given,

The ratio of boys and girls is 8:9

Number of girls = 117

Let us take,

Number of boys = 8x

Number of girls = 9x

To find the number of boys.

According to the problem,

9x = 117

or, x = $\frac{117}{9}$

= 13

Hence, the number of boys = 13×8 = 104

7 0

3 years ago

One quadratic function has the formula h(x) = -x 2 + 4x - 2. Another quadratic function, g(x), has the graph shown below

jeyben [28]

We are comparing maxima. From the graph we know that the max of one graph is +2 at x = -2. What about the other graph? Need to find the vertex to find the max.

Complete the square of h(x) = -x^2 + 4x - 2:

h(x) = -x^2 + 4x - 2 = -(x^2 - 4x) -2
= -(x^2 - 4x + 4 - 4) - 2
=-(x^2 - 4x + 4) -2+4
= -(x-2)^2 + 2 The equation describing this parabola is y=-(x-2)^2 + 2, from which we know that the maximum value is 2, reached when x = 2.

The 2 graphs have the same max, one at x = -2 and one at x = + 2.

7 0

3 years ago

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Question 8

MrRa [10]

Answer:

last, y=-1/4x+2

Step-by-step explanation:

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3 years ago

What is the equation of the line that passes through points (2, −6) and (−4, 3)?

maria [59]