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Tatiana [17]
3 years ago
11

I need the answers for these.

Mathematics
1 answer:
ASHA 777 [7]3 years ago
6 0
2x+11+6x-7=180
8x+4=180
8x=176
x=22

MHT= 6x-7
125

AHM= 2x+11
55
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. Duke's photography pays $9 for a 5x7 photograph.
g100num [7]

Answer:

the markup percentage is 66.67%

Step-by-step explanation:

The computation of the percent of markup based on cost is shown below:

= (Selling price - paid price) ÷ (paid price)

= ($15 - $9) ÷ ($9)

= 66.67%

By taking the difference of the selling price & paid price and then divided it by paid price we can get the percentage of markup

Hence, the markup percentage is 66.67%

5 0
3 years ago
What is the probability of selecting a seventh-grader from a school that has 250 sixth-graders, 225 seventh-graders, and 275 eig
Nina [5.8K]

Answer:

3/10 or 0.3 or 30%

Step-by-step explanation:

Its 225/750 total students

We simplify this by dividing by 5

45/150

Divide by 5 again

9/30

Divide by 3

3/10

3 0
3 years ago
A rock climber is planning to climb a mountain cliff over two days. The climb begins at an altitude of 6,400 feet above sea leve
Furkat [3]

Answer:

D

Step-by-step explanation:

360h+6,400 >8,020, with a solution is h> 4.

3 0
3 years ago
Find the surface area of the cylinder. Use 3.14 for pi. Do not round the answer.
MrRissso [65]

Answer:

188.4 ft

Step-by-step explanation:

3.14x5^2x2=157 ft

3.14x10=31.4

31.4+157=188.4 ft

3 0
2 years ago
Mr. Patel is buying peaches at the grocery store.
aliina [53]
Nearest tenth: 
3.9
Nearest whole number: 
4

When dealing with money, you must round up.
7 0
4 years ago
Read 2 more answers
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