MATHEMATICS HIGH SCHOOL

How do I solve: 8 – (m - 3) = 7 – 3m​

Answers

Answer 1
Answer:

Answer:

m=-2

Step-by-step explanation:

8-(m-3)=7-3m

8-1(m)-1(-3)=7-3m

8-m+3=7-3m

-m+3m+8+3=7-3m+3m

2m+8+3=7

2m+11=7

2m=-4

m=-2

Hope this helps!
Answer 2
Answer:

Step-by-step explanation:

So, this is how you do it.

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Suppose you are given the coordinates of the vertices of a polygon. What steps could you take to solve a problem involving the polygon's area?

Answers

find the area of the polygon by finding the legnth of its sides by finding distance between vertices

distance between ponts (a,b) an (c,d) is
D= \sqrt{(c-a)^(2)+(d-b)^(2)}


do the rest yourself by intuistion

James regular r pay is 12 dollars an hour plus time and a half how much is his pay for 40hrs regular time and to hours overtime

Answers

Regular pay: $12/hour

Time and a half: $12/hour * 1.5 = $18/hour

40 hours * $12/hour + 2 hours * $18/hour = $480 + $36 = $516

Answer: $516

You pay $30 each month for satellite TV, plus $2.50 for every movie you purchase. Write and solve an equation to find the number of movies purchased during a month with a total bill of $45. What is it in an equation and how many movies do you purchase. Im on a timed thing so please be speedy

Answers

Answer:

6 movies

Step-by-step explanation:

45-30=15 spent on movies

divide the 15 by 2.5 to get 6.

$30+$2.50m=$45

where m is the amount of movies

Answer:

let he purchaseed x movies

30 + 2.5x = 45

or 2.5x = 15

x=15/2.5 =6

Step-by-step explanation:

Round to the nearest hundredth
$25,625 divided by 16.5

Answers

Answer:

Approximately 1,552.42.

Step-by-step explanation:

To round the result of $25,625 divided by 16.5 to the nearest hundredth, you need to perform the division first and then round the quotient. Here are the steps:

1. Divide $25,625 by 16.5:

$25,625 ÷ 16.5 = 1,552.42

2. Now, round the quotient, 1,552.42, to the nearest hundredth.

The hundredths place is the second decimal place after the decimal point.

- If the third decimal place is 5 or greater, you round up the second decimal place.

- If the third decimal place is less than 5, you keep the second decimal place as it is.

In this case, the second decimal place is 4, so we keep it as it is.

Therefore, rounding $25,625 divided by 16.5 to the nearest hundredth gives us:

$25,625 ÷ 16.5 ≈ 1,552.42

So, when rounded to the nearest hundredth, $25,625 divided by 16.5 is approximately 1,552.42.

Hope this helps.

From the set {0, 1, 11}, use substitution to determine which value of x makes the equation true.23x + 27 = 50
A. 11
B. 0
C. 1
D. none of these


2. From the set {0, 1, 10}, use substitution to determine which value of x makes the equation true.

23x + 29 = 52
A. 10
B. 1
C. none of these
D. 0


3.
Add 5 and b. Then, multiply by 2.

Which of the following expressions matches the statement above?
A. 5 + b × 2

B. (5 + b) × 2

C. 5 × (2 + b)

D. b + 5 × 2



4. What is the absolute value of the number indicated on the number line below?




-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
A. -18
B. 17
C. -17
D. 18

Answers

1) the answer is C: 1, 23*(1) + 27 = 50
2) the answer is  B: 1, 23*(1) + 29 = 52
3) the answer is  B. (5 + b) × 2
4) the question is not clear

Answer:

1) the answer is C: 1, 23*(1) + 27 = 50

2) the answer is  B: 1, 23*(1) + 29 = 52

3) the answer is  B. (5 + b) × 2

4) the question is not clear

Step-by-step explanation:

The 2004 Tour de France was 3391.1 kilometers.The winner won the trace in a little over 83.5 hours fill in the blank to find the winners average speed in meters per hour.

Answers

Answer:

To find the winner's average speed in meters per hour, you can first convert the kilometers to meters and the hours to seconds. Then, divide the distance by the time.

1 kilometer = 1000 meters

1 hour = 3600 seconds

So, the distance in meters is:

3391.1 kilometers * 1000 meters/kilometer = 3,391,100 meters

And the time in seconds is:

83.5 hours * 3600 seconds/hour = 300,600 seconds

Now, calculate the average speed:

Average Speed = Distance / Time

Average Speed = 3,391,100 meters / 300,600 seconds

Average Speed ≈ 11.28 meters per second

To convert this to meters per hour:

11.28 meters per second * 3600 seconds/hour ≈ 40,608 meters per hour

So, the winner's average speed in meters per hour was approximately 40,608 meters per hour.

Step-by-step explanation:
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