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kkurt [141]
3 years ago
10

Charlene makes $10 per hour babysitting and$5 per hour gardening. She wants at least $80 a week, but can work no more than 12 ho

urs a week. Write a system of linear equations

Mathematics
1 answer:
Aliun [14]3 years ago
5 0
10x + 5y ≥ 80
x + y ≤ 12

It will not be a system of linear equations, but inequalities. If 'x' stands for baby sitting and 'y' stands for gardening hours in week, then that's how it goes. (what i wrote on top).

hope this helps, God bless!

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3 years ago
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If AD=BD, which of the following relationships can be proved and why?
myrzilka [38]

Answer: The answer would be b, the side-angle-side postulate. :)

Step-by-step explanation:

This would be due to the definition of a bisector, and the reflexive property.

3 0
4 years ago
Draw the following scenario using a vertical number line.
nekit [7.7K]
You would move your point 24 up from the starting point then move it three down from the 24 so if you start at zero go to 24 then move it down to 21.

3 0
3 years ago
if the line AB with A(-1,5) and B(3,7) is perpendicular to the line CD WITH C(7,11) AND D(X,23). THEN X=?​
MissTica

Answer:

x=1

Step-by-step explanation:

slope AB = (7-5) / (3 - -1) = 2 / 4 = 1/2

slope CD = (23-11) / (x-7) = 12 / (x-7)  

12 / (x-7) = - 2  ... perpendicular to AB slope 1 = - 1/slope 2

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5 0
3 years ago
A box in a supply room contains 18 compact fluorescent lightbulbs, of which 6 are rated 13-watt, 8 are rated 18-watt, and 4 are
V125BC [204]

Answer:a) Probability P(exactly 2 bulbs rated 13watts)= 0.22

b) Probability(each bulb different rating)

= 0.24

Step-by-step explanation:

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8 18watts bulbs

4 23watts bulbs

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a) Probability that all 3 bulbs are 18watts

Number of ways of pulling 3 bulbs = 18!/(3!×15!) = (6.4×10^15)/7.846×10^12) = 815 ways

Different ways of pulling 13watts bulbs out of 6 = 6!/(2!×4!)= 720/48=15ways

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Number of ways total= 15×12=180waya

Therefore P(exactly 2 bulbs rated 13watts)= 180/815 =0.22

b) Probability P( all 3 bulbs are 1 from each rating)

Ways of pulling 3bulbs bulb each from 3 ratings are 4× 5 × 8= 192ways

Probability = 192/815 =0.24

6 0
3 years ago
Read 2 more answers
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