MATHEMATICS MIDDLE SCHOOL

Question 7 (5 points)Simplify 7b + 2b + 3c
00
a) 7b + 50
Ob) 5b + 30
75
Oc) 9b + 30
Od) 12bc

Answers

Answer 1

Answer: C is the correct answer 9b+30

Answer 2

Answer:

Answer:

d) 9b + 3c

Step-by-step explanation:

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Anna makes hand-painted plates. Her overhead cost are $750 per week, and she pays an additional $10 per plate in material cost. If Anna sells the plates for $25 each, how many plates does she have to sell each week before she can make a profit?

Answers

From the question we get the following equation:
750+10p=25p
750=15p
p= 750/15
p=50

So if Anna sells 50 plates she will earn total $1250. Her cost are 750 + 50*10 = $1250. That means that Anna break even when she sells 50 plates. The question are when is Anna making a profit? When Anna sells more than 50 plates.

A race is 10 km long markers will be placed at the beginning and the end of the race course and I each 500 m Mark how many markers are needed to mark the course for the race?

Answers

20 Markers are needed to mark the course for the race

There are 20 marks needed!

949 rounded to the nearest ten

Answers

949 rounded to the nearest ten would be 950 because 5 and above rounds up to the next 10.

950 because round up when its 6or more and down when its 5 or less like 367 seven is more than 5 so you go up to 370 rounded to the nearest ten

The nutrition facts label on a container of dry roasted cashews indicates 161 calories is in 28 grams. you eat 9 cashews totaling 12 grams. how many cashews are in one serving?how many cashews are in one serving?

Answers

The answer is 21 cashews in one serving.

28 grams x 9 cashews = 252

252 ÷ 12 grams = 21 cashews in one serving

Find the measure of the missing angle.

Answers

X = 159°

Step-by-Step Explanation:

To find the missing angle, you must first find the sum of the interior angles. To do this, you can use the equation:

$(n - 2)180$

Let n represent the number of sides. This is a regular pentagon, therefore there are 5 sides. Your new equation is:

$(5 - 2)180$

Once you calculate this, you will find the answer is 540°.

Next, you need to find x. To do this, first add all of your interior angles together. If you didn't know, the square is a right angle, meaning it is 90°.

$83 + 90 + 119 + 89 = 381$

Now take 540, subtract 381, and your answer is your missing angle (x).

aimee's karate class last 1 hour and 15 minutes and is over at 5:00 pm. what time does Aimee's karate class start?

Answers

Aimee's karate class starts at 4:00 pm.

If Aimee's karate class lasts for 1 hour and 15 minutes and ends at 5:00 pm, we can determine the start time by subtracting 1 hour and 15 minutes from 5:00 pm.

To subtract the time, we convert 1 hour and 15 minutes to minutes:

1 hour = 60 minutes

1 hour and 15 minutes = 60 minutes + 15 minutes = 75 minutes

Now, we subtract 75 minutes from 5:00 pm:

5:00 pm - 75 minutes = 4:00 pm

Therefore, Aimee's karate class starts at 4:00 pm.

To know more about subtracting:

brainly.com/question/13619104

#SPJ2

To solve this you would have to subtract 75 minutes from 5:00.

This would make the start time 3:45 pm.

Other Questions

The quotient is 71 2/3. What is the divisor?