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HACTEHA [7]
3 years ago
9

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
Mathematics
2 answers:
Kryger [21]3 years ago
8 0
60x10=600. So you have to get 40 to 400 so 40x10=400. So the answer is A.
Savatey [412]3 years ago
4 0

Answer:D) 40 adult haircuts and no child haircuts

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4) Which pair of triangles is congruent by Angle - Angle- Side
ruslelena [56]

Answer:

2

Step-by-step explanation:

Two angles are congruent, and one side is congruent in the pair of triangles, option 2.

6 0
3 years ago
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Find x and round to the nearest tenth:)
Thepotemich [5.8K]

Answer:

x = 31.8°

Step-by-step explanation:

Applying the Law of Sines, we have:

\frac{sin(x)}{12} = \frac{sin(75)}{22}

Multiply both sides by 12

\frac{sin(x)}{12} \times 12 = \frac{sin(75)}{22} \times 12

sin(x) = \frac{sin(75) \times 12}{22}

sin(x) = 0.5269

x = sin^{-1}(0.5269)

x = 31.8° (nearest tenth)

8 0
3 years ago
Charlene puts together two isosceles triangles so that they share a base, creating a kite. The legs of the triangles are 10 inch
enot [183]
From the information given you have:

1) Smaller diagonal of the kite: 16 inches


2) Larger diagonal of the kite: height of one triangle (h1) + height of the other triangle (h2)


3) Calculation of the height of the smaller triangle, h1:


10^2 = (16/2)^2 + (h1)^2 => h1 = √ [10^2 - 8^2] = 6


4) Calculation of the height of the larger triangle, h2


17^2 = (16/2)^2 + (h2)^2 => h2 = √[17^2  - 8^2] = 15


5) Larger diagonal = h1 + h2 = 6 + 15 = 21


Answer: 21 inches
7 0
3 years ago
Read 2 more answers
What are the solutions to x^2-13x+30
BlackZzzverrR [31]
ax^2+bx+c=0  \\ \\
x^2-13x+30 = 0 \\ \\ D=b^2-4ac = 169-120=\sqrt{49} =7 \\ \\ x_{1/2} =  \frac{-b^2+/-\sqrt{D}}{2a} = \frac{13+/-7}{2*1} \\ \\ x_1 = \frac{13+7}{2} = 10 \\ \\ x_2 = \frac{13-7}{2} = 3
4 0
3 years ago
Please explain how i do this. Thank you. :)
amid [387]
3 + 5u = -22

Add -3 to each side.

3 + -3 + 5u = -22 + -3

Combine like terms.

5u = -22 + -3

5u = -25

Divide each side by 5.

u = -5


Also, Aleks was terrible when I had to do it. I'm so sorry for you, I hope this helps though!
3 0
3 years ago
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