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Aleks [24]
2 years ago
5

Lei is renting a paddle board from a local shop that charges a $12 fee, plus an hourly rate of $8.50. For how long can Lei rent

a paddle board if she pays a total of $80?
Mathematics
1 answer:
MrMuchimi2 years ago
7 0

Answer:

8 hours.

Step-by-step explanation:

80 = 12 + 8.5t    where t is the time rented in hours

8.5t = 80 - 12 = 68

t = 68/8.5

=  8 hours.

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The number pattern shows a skip-counting rule. 5,20,35,50,65. Which number pattern follows the same rule?
Ganezh [65]

Answer:

You keep adding 15.

Step-by-step explanation:

5+15=20

20+15=35

35+15=50

50+15=65

6 0
3 years ago
Write y=-1/2x^2+16x-96 in factor form
Evgen [1.6K]

Answer: -1/2(x-24)(x-8)

Step-by-step explanation:

7 0
3 years ago
What is the value of k in the equation?<br> 20^k/ 20^4 = 20^9
Luden [163]

Answer:

k = 13

Step-by-step explanation:

20 ^ k / 20^4 = 20^9

knowing the laws of exponents, diving two numbers of the same base with exponents is like subtracting the exponents, so

k^x / k^y

= k ^ (x - y)

apply that knowledge here

20 ^ k / 20 ^ 4 = 20 ^ 9

20 ^ ( k - 4 ) = 20 ^ 9

now the bases have no use here so ignore them, and just calculate the exponents

k - 4 = 9

solve using inverse operations

k - 4 = 9

+4       +4

k = 13

4 0
3 years ago
Read 2 more answers
С
evablogger [386]

Answer:

C = 13

Step-by-step explanation:

A²+B²=C²

where c is the hypothenuse

5²+12²=c²

25+144=c²

169=c²

√169 = c

13 = c

8 0
2 years ago
How much do you every 2 weeks if you make 21 an hour and work 42 hours?
Andreas93 [3]
If you work 42 hours per week, before taxes are taken out you will make $882.00 per week. You will make a total of $1764.00 every two weeks. If your only working 42 hours every two weeks you will make $441.00 per week.
4 0
4 years ago
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