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nadezda [96]
2 years ago
15

Simplify. 3(y+7)+8y Please answere

Mathematics
2 answers:
Katena32 [7]2 years ago
7 0
3y+21+8y
11y+21 is the answer
frez [133]2 years ago
3 0

Answer:

11y + 21

Step-by-step explanation:

Distribute:

= (3)(y) + (3)(7) + 8y

= 3y + 21 + 8y

Combine Like Terms:

= 3y + 21 + 8y

= (3y+8y) + (21)

= 11y + 21

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2. It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm
4vir4ik [10]

Answer:

It's required 7.48\ m^2 of sheet for the tank

Step-by-step explanation:

<u>Surface Area of a Cylinder</u>

Given a right cylinder of base radius r and height h, the surface area is calculated as follows:

S=2\pi r^2+2\pi r h

The cylindrical tank has a height of h=1 m and a base diameter of 140 cm. The radius is half the diameter, thus r=140/2 = 70 cm = 0.7 m. Substituting:

S=2\pi 0.7^2+2\pi (0.7)(1)

S=2\pi 0.49+1.4\pi

S=2.38\pi

\boxed{S=7.48\ m^2}

It's required 7.48\ m^2 of sheet for the tank

7 0
3 years ago
PLEASE HELP ME!! quick geometry!!
Serjik [45]

Answer:

because it's a ringt angle triangle

90°

8 0
2 years ago
Which statement correctly explains the chart?
makvit [3.9K]

The chart shows a production possibilities schedule for Sabrina’s Soccer.

Combination: Soccer balls: Soccer nets:

A 10 0

B 8 1

C 6 2

D 4 3

E 2 4

F 0 5

Which statement correctly explains the chart?

A. The opportunity cost of producing one soccer net is eight soccer balls.

B. The opportunity cost of producing two soccer nets is two soccer balls.

C. The opportunity cost of producing two soccer balls is one soccer net.

D. The opportunity cost of producing four soccer balls is three soccer nets.

The opportunity cost of producing two soccer balls is one soccer net.

Answer: Option 3

<u>Explanation:</u>

Opportunity cost is when a particular option is chosen from the alternatives given, the opportunity cost is the cost incurred by not enjoying the benefit associated with the best alternative choice.

The problem of the opportunity cost occurs because the resources given in the economy are limited in availability and there fore because of that there has to be some choices that are to be made among the alternatives given in the economy.

In this example it shows that for producing two soccer balls, the opportunity cost is one soccer net.

7 0
3 years ago
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Hoochie [10]
I actually did this problem today for edge , I included a picture that I used to understand how to do this problem the answer is 1%.

4 0
3 years ago
On day 4 the 1rst 2 <br> thx
ladessa [460]
1. C
2. 3, because I used a proportion table
8 0
3 years ago
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