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olga55 [171]
3 years ago
6

The number of chairs increased by 7 A.cx7 B.c+7 C.c/7 D.c-7

Mathematics
1 answer:
miss Akunina [59]3 years ago
7 0
B.c+7
hope that helps!
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Evaluate 6j+23+kl−3, when j=3, k=7, and l=33.
Dmitry [639]

Answer:

269

Step-by-step explanation:

6(3)+23+(7)(33)-3

 \/              \/

18 + 23 + 231 - 3 = 269


3 0
3 years ago
Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1.
mylen [45]

Answer:

-22.25

Step-by-step explanation:

-31.7+4.5(2.1)

-31.7+9.45

-22.25

8 0
3 years ago
Read 2 more answers
Please help as soon as possible
scZoUnD [109]

Answer:

26.28

Step-by-step explanation:

First, add the side lengths of what you know. 6 + 6 + 8 = 20.

Then, find the circumference of the circle, BUT make sure you divide it by 2 because it is a semicircle in the figure.

The formula is 2\pir, so plug in the radius = 2

So the circumference is 4\pi, then divide by 2 to get 2

20 + 2\pi = 26.28

6 0
3 years ago
Read 2 more answers
Two straight edges of a pizza slice meet at an angle of 30°. If the pizza has a radius of 12
melisa1 [442]

Answer:

<h3>area of the slice:      A = 12π in² ≈ 37.7 in² </h3><h3>lenght of its crust:  L = 24π in ≈ 6.28 in</h3>

Step-by-step explanation:

R = 12 in

360°:30° = 12

so the area of the slice is ¹/₁₂ of whole pizza

A = ¹/₁₂•πR² = ¹/₁₂•π•12•12 = 12π in² ≈ 37.7 in²

Crust is the perimeter of pizza so crust of the slice is ¹/₁₂ of the perimeter:

L = ¹/₁₂•2πR = ¹/₁₂•2π•12 = 2π in ≈ 6.28 in

8 0
3 years ago
You are a member of the fund-raiing committee for your chool. The committee i ponoring a fair. Each member of the committee ha a
Molodets [167]

The expression that represents the total amount that can be raised from selling 50 tickets is -2t + 250 and the total amount that can be raised is $194.

What is total revenue?

Total revenue is the amount of money earned by a company from the sale of its goods and services. In other words, businesses use this metric to determine how well their core revenue-generating operations are performing. Total revenue is directly related to marginal revenue.

Number of tickets that will be sold = 50

Number of student tickets that will be sold = t

Number of adult tickets that will be sold = 50 - t

The total amount of money that can be raised from selling 50 tickets is the sum of the total amount raised from selling student tickets and adult tickets.

Total revenue = total amount raised from selling students tickets + total amount raised from selling adults tickets

Total revenue = [3 x t] + [(50 -t) x $5]

Total revenue = $3t + $250 - 5t

Total revenue = -2t + 250

Total revenue = -2(28) + 250

Total revenue = -56 + 250 = $194

Hence, the expression that represents the total amount that can be raised from selling 50 tickets is -2t + 250, and the total amount that can be raised is $194.

To learn more about total revenue visit,

brainly.com/question/28362822

#SPJ4

8 0
1 year ago
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