I need a real answer fast thank you

Answers

Answer 1

Answer:

12.2 I believe but I'm not sure

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Which system of equations can be used to solve the following problem? Each child ticket for a ride costs $2, while each adult ticket costs $6. If the ride collected a total of $148, and 38 tickets were sold, how many of each type of ticket were sold? Let c be the number of child tickets and a be the number of adult tickets.

A.
Equation set including begin equation begin product of two and c end product plus begin product of six and a end product equals thirty-eight end equation. Begin equation a plus c equals one hundred and forty-eight end equation.

B.
Equation set including begin equation begin product of two and a end product plus begin product of six and c end product equals thirty eight end equation. Begin equation a plus c equals one hundred and forty-eight end equation.

C.
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Equation set including begin equation begin product of two and c end product plus begin product of six and a end product equals one hundred and forty-eight end equation. Begin equation a plus c equals thirty-eight end equation.

Answers

a.2c+6a=148 a+c=38

this is the answer

The two equations will be:
$2c+6a=148$
$a+c=38$

The choice appears to be 'D' but the way you have written the equations is very hard to read. Please write them out properly in order to check.

What is the area of a circle with a diameter of 10ft? Use 3.14 for pi.

Answers

Answer:

B) 78.5

Step-by-step explanation:

The formula for the area of a circle is : $\pi*radius^(2)$

To work this out you would first need to divide the diameter of 10 by 2, which gives you 5. This is because in order to calculate the area you would need to work out the radius. The radius of a circle is half of the diameter.

Then to work out the area you would multiply pi by the radius of 5 squared, this gives you 78.54 square feet.

1) Divide 10 by 2.

$10/2=5\n$

2) Multiply pi by the radius squared.

$\pi*5^(2)=78.54 feet^(2)$

To the nearest tenth of a percent, what is 8/13 written as a percent? Answers: A. 0.6% B. 6.2% C. 61.5% D. 615.4%

Answers

the answer to your problem is C.

A. 0.6% is the answer to 8/13

A running track in the shape of an oval is shown. The ends of the track form semicircles. A running track is shown. The left and right edges of the track are identical curves. The top and bottom edges of the track are straight lines. The track has width 68 m and length of one straight edge 140 m. What is the perimeter of the inside of the track?

Answers

two shapes.. a circle and a rectangle. The width of the rectangle serves as the diameter of the circle.

Length = 140 m ; Width = 68 m

Circumference of a circle = 2 π r
circumference of a cirlce = 2 * 3.14 * (68m/2) = 2 * 3.14 * 34 m = 213.52

length = 2 * 140 m = 280 m

perimeter of the oval = 213.52 m + 280 m = 493.52 m

Answer:

493.52

Step-by-step explanation:

Glenn’s favorite number is very special because it reminds him of the day his daughter, Sarah, was born. The factors of this number do not repeat, and all the prime numbers are less than 12. What is Glenn’s number? When was Sarah born?