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LekaFEV [45]
4 years ago
11

The admission fee at fair is $1.50 for children and $4 for adults. On a certain day 2200 people enter the fair and $5050 is coll

ected solve the system
Mathematics
1 answer:
saul85 [17]4 years ago
5 0
There were 700 adults<span> and </span>1500 children.<span />
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Please help me answer this question
Setler79 [48]

Answer:

x = 90 degrees and y = 43 degrees

Step-by-step explanation:

We have an isosceles triangle here, since the length of AB equals the length of AC.

That also means that angle ABC equals angle ACD = 47 degrees.

The sum of the interior angles of a triangle equals 180.

47 + 47 + 2y = 180

94 + 2y = 180

2y = 86

y = 43 degrees

x + 43 + 47 = 180

x + 90 = 180

x = 90

5 0
3 years ago
Inigo is a part-time college student who lives at home. His monthly net income is $600. He developed a budget to help him manage
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7 0
3 years ago
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Two cars depart an intersection.
patriot [66]

Answer:

The distance between them after 1 hour and 30 minutes will be of 63.64 miles.

Step-by-step explanation:

This question can be solved using the Pythagorean Theorem.

Both cars travel at a constant speed of 30 miles per hour. So, after 1 hour and 30 minutes, which is 1 and a half hour, they will have traveled 30*1.5 = 45 miles.

The distance between them is the hypotenuse of a right triangle, in which the sides are 45. So

d^2 = 45^2 + 45^2

d = \sqrt{45^2 + 45^2}

d = 63.64

The distance between them after 1 hour and 30 minutes will be of 63.64 miles.

4 0
3 years ago
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nexus9112 [7]

Answer:

there no picture attached

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find (f^-1)'(7) without finding the inverse function where f(x) = 5 – 2x^3.
faltersainse [42]

Step-by-step explanation:

the derivative of an inverse function is

1/f'(f^-1(x))

f'(x) = -6x²

f^-1(7) is solving the original function equation for x under the knowledge that y = 7

7 = 5 - 2x³

2 = -2x³

-1 = x³

=>

x = -1

f'(-1) = -6×(-1)² = -6×1 = -6

so,

(f^-1)'(7) = -1/6

5 0
2 years ago
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