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Tpy6a [65]
3 years ago
12

Please answer this question

Mathematics
1 answer:
AfilCa [17]3 years ago
4 0

Answer:

it is C

Step-by-step explanation:

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3x + 2(5x - 3) = 7 how do i solve this equation to get the answer 1
Alisiya [41]

Answer:

x = 1

Step-by-step explanation:

3x + 2(5x - 3) = 7

distribute:

3x + 10x - 6 = 7

simplify:

13x = 7 + 6

13x = 13

simplify:

x = 13 / 13

x = 1

8 0
3 years ago
To establish a driver education school, organizers must decide how many cars, instructors, and students to have. Costs are estim
mina [271]

Answer:

(a) 30,000 + 14,000x (b) 350y (c) 350y - (30,000 + 14,000x) (d) Yes

Step-by-step explanation:

(a) Total cost = 30,000 + 3,000x + 11,000x = 30,000 + 14,000x

(b) Total revenue = 350y

(c) Total profit = Total revenue - total cost = 350y - (30,000 + 14,000x)

(d) To break even, the total profit of the school should be $0 or more. If they decide to use 5 cars with 4 students assigned to each car, 16 times a year (eight times with two sessions each) then we have a total  of 20 students. Using our formula total profit is equal to 350(320) - (30,000 + 14000(5)) = $112,000 - $100,000 = $12,000 profit

6 0
3 years ago
PLS HELP FAST‼️‼️<br><br> Evaluate if a = 1, b = 3, and c = -4: ab + 3c - b
Nimfa-mama [501]

Answer:

-12

Step-by-step explanation:

ab + 3c - b = (1)(3) + 3(-4) - 3

= 3 + -12 - 3

= -9 - 3

= -12

Hope it helps!! :)))

Tell me if im wrong please

8 0
3 years ago
Answer the questions about the following sets: D = {x | x is a person allergic to dogs}; C = {x | x is a person allergic to cats
Amiraneli [1.4K]

Answer:

1-22 2-1 3-7 4-18

Step-by-step explanation:

Did on edg

7 0
3 years ago
I need help on this
mamaluj [8]

for how many digits is rounding required to occur?

if it's one digit, it should be 70,000 and 20,000

if it's two digits it would be 75,000 and 23,000

if it's three digits it would be 74,700 and 22,900

if it's four digits it would be 74,710 and 22,980

7 0
3 years ago
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