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Natasha_Volkova [10]
2 years ago
14

50 points for this question​

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
7 0

Answer:

the answer I got is 6 (x+14)

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lena finished her assignment in 1/2 hours. then she completed her other assignment in 1/5 hours. what was the total time lena sp
Mekhanik [1.2K]

Answer:

7/10 hours

Step-by-step explanation:

her first assignment took 1/2 hour

her second assignment took 1/5 hour

so in total she took 1/2 + 1/5

we need to find a common denominator

the lcm(2,5)=10

so multiply 1/2 by 5/5 to obtain 5/10

multiply 1/5 by 2/2 to obtain 2/10

5/10 + 2/10 = 7/10

4 0
3 years ago
Question 1(Multiple Choice Worth 5 points)
Nadusha1986 [10]

Answer: arc\ length =13.19cm

Step-by-step explanation:

You need to use the following formula:

arc\ length=r\theta

Where "r" is the radius and \theta is is the central angle of the arc in radians.

Assuming that that the angle \frac{3\pi }{5} is the central angle of the arc, and knowing that the radius is 7 centimeters, you can substitute values into the formula.

Therefore, you get:

arc\ length=r\theta\\\\arc\ length= (7cm)(\frac{3\pi}{5})}\\\\arc\ length =13.19cm

4 0
3 years ago
The total cost of n shirts is $15. The shirts are priced at a constant rate of $3 each.
Flauer [41]

Answer:

3*x=15

Step-by-step explanation:

i think-

5 0
2 years ago
Read 2 more answers
Steve invests in a circus production. The cost includes an overhead of $84,000, plus production costs of $2000 per performance.
Dima020 [189]

Answer:

14

Step-by-step explanation:

Given that Steve  invests in a circus production. The cost includes an overhead of $84,000, plus production costs of $2000 per performance. A sold-out performance brings in $8000.

Sales per performance =8000

Production cost per performance =2000

Contribution per performance = 8000-2000=6000

Overhead costs = 84000

Break even units = overhead cost/contribution per performance

= \frac{84000}{6000} \\=14

14 performances should be done to break even

3 0
3 years ago
WILL MARK BRAINLIEST
Sergeeva-Olga [200]

Answer:

a.$167.03

Step-by-step explanation:

6 0
1 year ago
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