Kelly and 23 friends go roller skating.They pay a total of 186 dollars. About how much does it cost for one person to skate?

Answers

Answer 1

Answer: You need to figure out the unit rate so you need to:
1. divide 186 by 23= 8.08695....
2. You only need to figure out the answer to the hundredth of a percent so you would round and get $8.09
3. The answer is $8.09

Answer 2

Answer: To do this first you must find the total number of people 23+1=24 so there are 24 people they paid 186 total divide this by 24 and you get 7.75 so each skate cost $7.75

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The lengths of the sides of a triangle are 7. and 10. If the length of the longest side of a similar triangle is 25. what is the length of the shortest side of this triangle?

Answers

Answer: 17.5

Step-by-step explanation:

7:10 = x:25

times both sides by 25

25(7/10) =x

than solve for x

X = 25 × (7/10)

X = 17.5

To prepare for a triathlon, Amanda starts from position A and rides her bike along a straight road for 12 miles to reach position B. At B, she turns left and rides along another straight road for 15 miles to reach position C. At C, she turns left again and rides 20 miles along a straight road to return to A. In ΔABC, what are m∠A, m∠B, and m∠C, respectively?

Answers

The angles can solved by using the cosine law. Solving for the measure of angle A
15² = 20² + 12² - 2(20)(12) cos A
A = 48.35°

Angle B can solved by either also using the cosine law or by sine law. Let's use sine law:
20 / sin B = 15 / sin 48.35
B = 85.06°

The measure of angle C can just be solved by difference of the total angle of the triangle.
C = 180 - 48.35 - 85.06
C = 45.59°

48.35°, 94.94°, 36.71°

Isaac has had the same 2 credit cards for 10 years. He has a total credit limit of $12,000. He never makes late payments, and his student loans are almost paid off.Which is most likely to occur?

A.
He will be approved for a car loan with a low interest rate.

B.
His application for a new credit card will be denied.

C.
He will pay a high rate for a mortgage.

D.
He will have a low credit score.

Answers

D. He will have a low credit score.

4(3x 5)=-4

Solve for x and show work

Answers

Answer:

x = -2 if its 4(3x + 5) = -4

x = 4/3 if its 4(3x - 5) = -4

Step-by-step explanation:

Your missing an plus or minus sign.

4(3x + 5) = -4 / multiply contents of parentheses by 4

12x + 20 = -4 / subtract 20 from both sides

12x = -24 / divide both sides by 12

x = -2

4(3x - 5) = -4 / multiply contents of parentheses by 4

12x - 20 = -4 / add 20 to both sides

12x = 16 / divide both sides by 12

x = 16/12 / simplify

x = 4/3

Answer: -2

Step-by-step explanation:

To solve the equation 4(3x + 5) = -4, we need to follow these steps:

Step 1: Distribute the 4 to the terms inside the parentheses.

This gives us 12x + 20 = -4.

Step 2: Subtract 20 from both sides of the equation to isolate the variable term.

We get 12x = -4 - 20, which simplifies to 12x = -24.

Step 3: Divide both sides of the equation by 12 to solve for x.

Dividing both sides by 12 gives us x = -24/12, which simplifies to x = -2.

So, the solution to the equation 4(3x + 5) = -4 is x = -2.

How do you graph y=18

Answers

y = 18 is just a straight horizontal line at (0,18)

Answer:

Use the slope-intercept form to find the slope and y-intercept

Any line can be graphed using two points. Select two x

values, and plug them into the equation to find the corresponding y

values. Graph the line using the slope and the y-intercept, or the points.

Slope: 2

y-intercept: 18

at a concession, stand seven hotdogs and two hamburgers cost $12.75; two hot dogs and seven burgers cost $16.50. find the cost of one hot dog and one burger.

Answers

The answer is $2.25 for the hamburger and $1.25 for the hot dog. I think my answer is right. hope it helps!!

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