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Alja [10]
3 years ago
8

Can someone help me on 17,18,19 with work please?

Mathematics
1 answer:
erastova [34]3 years ago
7 0
In 19 the height is not missing

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Autumn is working two summer jobs making $16 per hour tutoring and making $12 per hour landscaping.In a giving week she can work
Darya [45]

Answer:

{13,14}

Step-by-step explanation:

Let

x ----> number of hours per week of tutoring

y ----> number of hours per week of landscaping

we know that

She can work no more than 17 hours

so

x+y\leq 17 -----> inequality A

She must earn at lest $240

The term " at least" means, "greater than or equal to"

16x+12y\geq 240 ----> inequality B

If Autumn worked 3 hours landscaping

then

y=3\ hours

substitute in the inequality A and in the inequality B

<em>Inequality A</em>

x+3\leq 17\\x \leq 17-3\\x\leq 14\ hours

Inequality B

16x+12(3)\geq 240\\16x\geq 240-36\\x\geq 12.75\ hours

The solution of the system is the interval {12.75,14]

All possible values for the number of whole hours tutoring that she must work to meet her requirements are

{13,14}

8 0
3 years ago
a wholesaler allows a discount of 25kobo for every 25 naira goods purchased . find the percentage discount allowed.
ZanzabumX [31]

The percentage discount allowed by the wholesaler is 1%

<h3>Percentage</h3>

  • 1 naira = 100 Kobo

25 naira = 25 × 100

= 2500 Kobo

Percentage discount allowed = 25 / 2500 × 100

= 0.01 × 100

= 1%

Therefore, the percentage discount allowed is 1%

Learn more about percentage:

brainly.com/question/843074

#SPJ1

5 0
1 year ago
How to integrate cos^-2x . Question from Alevel Pure Maths 3 ​
VashaNatasha [74]

Answer:

I do think I can answer this

8 0
3 years ago
Does anyone know how to do this
Ksenya-84 [330]
The numbers on the top depend on how many sides a dice has. Hope this helps.

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2 years ago
Dave rented a limousine for his wife's birthday. The hourly rate is $80. They used the limousine for 4 hours, plus Dave gave the
soldier1979 [14.2K]
He would spend $, he spent $320 for just renting the limousine then spent an extra $32 for the 10% tip
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3 years ago
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