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Elenna [48]
3 years ago
14

Only answer if you truly know. Do not make your answer confusing...

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0

Answer:

A. 25y = $930.75

B. Each ticket costs $37.23.

Step-by-step explanation:

<u>Part A:</u>

25y = $930.75

We have this equation with two given facts:

25 × y = $930.75 and $930.75 ÷ 25 = y

The second equation which shows $930.75 ÷ 25 = y is not an equation we will use, because when you start solving it <em>using algebra</em> the following occurs:

$930.75 ÷ 25 = y

Multiply each side by 25.

$930.75 ÷ 25 × 25 = y × 25

$930.75 = 25y or 25y = $930.75

So you should answer with 25y = $930.75, because $930.75 ÷ 25 = y is simplified to that.

<u>Part B:</u>

25y ÷ 25 = $930.75 ÷ 25

y = $37.23

<em>Check:</em>

$37.23 × 25 = $930.75

We know our answer is correct.

tensa zangetsu [6.8K]3 years ago
7 0

Answer:

ticket cost = 37.23

Equation:- $930.75 = 25F

Step-by-step explanation:

$930.75 = 25F

F being the variable, representing the ticket cost

The total amount is equal to the number of seat per ticket

Part B:- 930.75/ 25 = 25F/25

F= 37.23

Therefore the ticket cost 37.23 for each ticket because they all cost the same

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The figure for the other questions
stira [4]
I can't really measure the angles. I can tell you what they look like they'd be. There are three reasons why not. 
1. The paper is slightly bulged where your hand is
2. The circle is slightly distorted by the camera. This  is not that critical. 
3. It is very hard to measure on a computer screen.
There is nothing you could do to make it any better. In fact, given what you had to do, this is a pretty good representation. 

The Three angles -- Question 22
Using the crudest tools you could imagine, I measured the angle where you have written two 90s between the arms as 132°. That angle opens towards the bottom of the page.

The angle that you have called 95 degrees is actually pretty close. I think you read the upper set of numbers on the protractor when you should have been reading the lower set. I make it 89, but I'll bet it is intended to be 90 degrees. 

The third angle on your right is the same as the first one. It comes in at about 132° using my tools again. 

Question 23
I can help you with this. When you are asked to make an equation, you have to use an equal sign somewhere. 

The sum of the three angles should be 360° I'm going to create an error term because I'm almost sure what I measured won't make 360. All circles when you make angles from any point inside them should make angles that add up to 360° when measured with a protractor if the rays of the angles all start from the same point. [If you don't know what a ray is, call it "the arms of the angles"].

So let's create the equation.
Angle1 + angle2 + angle3 + E = 360°
Angle1 = 89° 
Angle2 = 132°
Angle3 = 132°
E is the error that represents the amount away from 360. Your teacher doesn't expect you to get this or to set it into your equation. The main thing you were supposed to do is add up the angles as you tried to do and state what your total was. This is what was expected.
Total = angle1 + angle2 + angle3
Total = 89 + 132 + 132 = 353. My error is 7° too little. So in my equation E = 7°

What to do
Somebody had to mark this with that green felt. You have a teacher. Go to the teacher and ask to be shown how to read the protractor if that person knows. You just need a bit of help. If the teacher cannot tell you, go to someone in your class who knows about that sort of thing and ask them. You're pretty close to getting it.

6 0
3 years ago
What should the following rate be divided by to convert it to a unit rate?<br> 6 inches<br> 12 hours
iragen [17]

Answer:

0.5 Inches per hour

Step-by-step explanation:

Most normal people won't know exactly what unit rate is, or how to calculate it. So I'm here to help!

This is a fraction equal to

6 inches ÷ 12 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 12

6 inches ÷ 12

12 hours ÷ 12

=  

0.5 inches

1 hour

=  

0.5 inches

hour

= 0.5 inches per hour

Glad I was able to help!

7 0
3 years ago
Nike reported a profit of $28,951,000 for one quarter (3 months), a profit of $20,570,000 for the second quarter, a profit of $1
Olenka [21]

Answer:

\$16,826,000.

Step-by-step explanation:

We have been given that Nike reported a profit of $28,951,000 for one quarter (3 months), a profit of $20,570,000 for the second quarter, a profit of $15,342,000 the third quarter, and a loss of $48,037,000 for the fourth quarter.

To find the net profit for year, we will subtract the loss in the 4th quarter from the sum of profit in 3 quarters as:

\text{Net profit for the year}=\$28,951,000+\$20,570,000+\$15,342,000-\$48,037,000

\text{Net profit for the year}=\$64,863,000-\$48,037,000

\text{Net profit for the year}=\$16,826,000

Therefore, the net profit for the year was \$16,826,000.

4 0
3 years ago
ANDREA IS A VERY GOOD STUDENT. THE PROBABILITY THAT SHE STUDIES AND PASSES HER MATHEMATICS TEST IS 17/20. IF THE PROBABILITY THA
Eva8 [605]
Let B be the event that Andrea passes her test, and let A be the event 
<span>that she studies. We are given that P(A and B) = 17/20, and that P(A) = 15/16. </span>

<span>Now the probability that Andrea passes her test given that she has studied </span>
<span>is represented by P(BlA). The formula your teacher gave you can be written as </span>
<span>P(BlA) = P(A and B) / P(A). </span>

<span>So P(BlA) = P(A and B) / P(A) = (17/20) / (15/16) = (17/20)*(16/15) = 68/75.</span>
3 0
3 years ago
Read 2 more answers
99.00000000000 x 9/11
julia-pushkina [17]

Step-by-step explanation:

=99*9/11

- -

_____

=891/11

=81

3 0
3 years ago
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