Lisa gives child(x) and adult(y) haircuts in her salon. She charges $10 for a child and $40 for an adult haircut. Her goal is to make at least $1000 per week and work no more than 40 hours. The shaded region of the graph represents the possible combinations of adult and child haircuts that will allow her to meet her goal. If Lisa gives 60 child haircuts she must give _____ adult haircuts to meet her goal.A: 10
B: 15
C: 20
D: 25
Answers
Answer:D) 40 adult haircuts and no child haircuts
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a metalsmith is mixing two molten metals, each containing different percentages of silver. the table shows the amount of each molten metal used. which two expressions are both equivalent to t, the total number of grams in the mixture?
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Find the slope, if it exists, of the line containing the pair of points. (-17,-9) and (-19-18) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The slope is (write an integer or a simplified fraction.)_________ B. The slope is undefined.________
Answers
10 minutes = 2 both side cooked hamburgers
+
10 minutes = 2 both side cooked hamburgers
+
an extra 10 minutes = another both side cooked hamburgers since we only need five
=
30 minutes in minimal time to cook five hamburgers
Answers
Answer:
50 minutes
Step-by-step explanation:
Given,
Water can be drained out of the tub at a rate of 2 gallons per minute,
So, the drained water in 1 minute = 2 gallon,
That is, change in 1 minute = -2 gallon
( negative sign shows losing water)
Also, it is filled by a faucet at a rate of 1 gallon per minute,
So, the filled water in 1 minute = 1 gallon,
That is, change in 1 minute = + 1 gallon
( Positive sign shows additional water ),
Thus, total change in 1 minute = -2 + 1 = -1 gallon,
Let x be the time after which the bathtub will be emptied completely,
Total change in x minutes = -x gallon,
Bathtub will be emptied, if,
Initial volume of water + total change in water = 0
50 - x = 0 ( given volume of tub is 50 gallon )
Hence, it will take 50 minutes to drain the full tub.
4x – 6 = −3x + 8
Answers
4x - 6 = -3x + 8
Add 3x to each side: 7x - 6 = 8
Add 6 to each side: 7x = 14
Divide each side by 7: x = 2
4x + 3x = 8 +6
7x = 14
x = 2
Hope this helps you!!!!
Answers
2n and n give 2n^2
-3 and 3 give -9
2n*3=6n ... (1)
n*(-3)=-3n ... (2)
(1)+(2)=3n
Group the factors that do not have an effect/interaction to each other from the above.
That is, 2n and -3, and n and 3
2n^2+3n-9=(2n-3)(n+3)
TRUE
FALSE
Answers
The statement radioactive nuclei are highly stable and emit radiation to become unstable is FALSE.
To determine if the statement is true or false we need to know what radiactivity is
What is radioactivity?
Radioactivity is the spontaneous disintegration of unstable atomic nuclei to form stable more energetic nuclei with the emission of radiation.
Radioactivity includes the following
- disintegration of a larger atomic nuclei to a smaller more stable nuclei
- Emission of radiation
So, radioactive nuclei which are unstable emit radiation and become more stable.
So, the statement radioactive nuclei are highly stable and emit radiation to become unstable is FALSE.
Learn more about here:
Answers
0.55 as a fraction would be
Steps to simplify
1.
2. 55/5= 11 and 100/5=20
3. Final fraction from step 2 is
In conclusion 0.55 changed into a fraction is
Have A Brainly Day :)
0.55 as a fraction in its simplest form is 55/100.
What is a fraction?
A fraction is a representation that has a denominator and numerator as its main constituent. The expression, 0.55 can be expressed as a fraction by putting 55 as the numerator and 100 as the denominator.
If we are to simplify this further, we would have;
55/100
Divide by 5
= 11/20
At this point, the fraction cannot be simplified further.
learn more about fractions here:
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