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mestny [16]
3 years ago
14

Two times the sum of a number and 7

Mathematics
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

2(x+7)

Step-by-step explanation:

i hope this helps

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The perimeter of a rectangle is 18 feet, and the area of the rectangle is 20 square feet. What is the width of the rectangle?
bogdanovich [222]

4 ft or 5 ft

i think thats right

7 0
3 years ago
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A total of 399 tickets were sold for the school play. They were either adult tickets or student tickets. The number of students
weqwewe [10]

133 adult tickets were sold.

Step-by-step explanation:

Given,

Total tickets sold for school play = 399

Let,

x represent the number of children tickets sold.

y represent the number of adult tickets sold.

According to given statement;

x+y=399      Eqn 1

x = 2y           Eqn 2

Putting value of x from Eqn 2 in Eqn 1

2y+y=399\\3y=399

Dividing both sides by 3

\frac{3y}{3}=\frac{399}{3}\\y=133

133 adult tickets were sold.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/9231234
  • brainly.com/question/9214411

#LearnwithBrainly

4 0
3 years ago
A round barbecue pit is 2 meters in diameter. What is the distance around the barbecue pit? A) 12.56 meters. B) 18.84 meters. C)
Pani-rosa [81]
The formula for circumference is 2×pi × r

We are given the diameter of 2 meters which means the radius is 1 meter. We will use 3.14 for pi.

2 × pi × r =
2 (3.14)(1) =
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The distance around the barbecue pit is

C. 6.28 meters
3 0
3 years ago
75 percent of the sutdents in a school went on a field trip. If 285 students went on the trip, how any students are in the schoo
natita [175]

Answer:

380

Step-by-step explanation:

285 / x = 75 / 100

Cross multiply 28500 = 75x

Divide by 75  380

8 0
2 years ago
Find the nth term of this 5 7 9 11 13
NemiM [27]
Firstly, seeing that the sequence is based on odd numbers I would say that this is the formula (which will allow you to know whatever term):

nth term = 2n-1

Hope this helps!
4 0
3 years ago
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