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erma4kov [3.2K]
3 years ago
14

The ratio of girls to boys at a movie is 7:6 if there are 24 boys, how many girls are at the movie​

Mathematics
2 answers:
grin007 [14]3 years ago
7 0

Answer:

28

Step-by-step explanation:

You make a proportion of 7:6 and ?:24

After you multiply 7 with 24

And then you divide your answer by 6

That is how you find the answer

>;3

steposvetlana [31]3 years ago
3 0

Answer:

28

Step-by-step explanation:

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Texas University Quarterback, Michael Daniels, is standing on his own 10-yard line. He throws a pass tword the opposite goal lin
dimulka [17.4K]

Answer: The function is y=-\frac{28}{625}(x-35)^2+30.

Explanation:

It is given that Michael Daniels, is standing on his own 10-yard line. He throws a pass toward the opposite goal line. The football is 2 yards above the ground when the quarterback lets it go.

It follows a parabolic path. Reaching its highest point, 30 yards above the ground. It is caught 50 yards downfield at a point 2 yards above the ground.

So, the initial point is (10,2) and the other point is (60,2).

The height function of a football represents a downward parabola. The maximum point of the function is called vertex. So the vertex is (h,30).

The two point (10,2) and (60,2) have same y-coordinate, therefore the function is maximum at the midpoint of both points.

midpoint=(\frac{10+60}{2}, \frac{2+2}{2})=(35,2)

So, the function is maximum at x=35. Hence the vertex is (35,30)

The standard form of the parabola is,

y=a(x-h)^2+k

Where (h,k) is vertex and a is scale factor.

Since vertex is (35,30).

y=a(x-35)^2+30

The initial point is (10,2).

2=a(10-35)^2+30

-28=625a

a=-\frac{28}{625}

So the function of height is.

y=-\frac{28}{625}(x-35)^2+30

The graph of the function is shown below.

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3 years ago
In any circle of radius R, how many arcs with lengths R fit into the circumference?
xenn [34]

<h2>~<u>Solution</u> :-</h2>

If we take the radius of a circle be <u>R</u>. Then, we can define that,

$ R = x $

Hence,

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A circle can be divided into four parts according to the radius.

Hence, we know that,

x \times 4

\mapsto \: 4x

  • Hence, <em>according to the radius R</em>, a circle can have <u>4 arcs</u>.
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N
Nataly_w [17]

Answer: four units left and 1 unit up

Step-by-step explanation:

because negative is at the bottom

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Masja [62]
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