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EastWind [94]
3 years ago
15

How can I solve this does anyone knows?

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
7 0
A. C = 17h + 15
b. 83 = 17h + 15 
    -15           - 15  subtract 15 from both sides 
    68 = 17h
    ------------
         17               divide both sides by 17
      4=h  
  They cleaned the house for 4 hours
c. C = 20x
to do this last part, you would put both equations into the calculator under y=, then look at the table to determine when the price is the same. According to the calculator, the price is the same at 5 hours 
Ksju [112]3 years ago
4 0
I’m sorry but I don’t know number 3
1)15+17h
2)4 hours
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HELP ASAP
Alexxandr [17]

Answer: A − 9/7

Step-by-step explanation:

Hi, to answer this question we have to convert all the numbers into decimal form.

-3 1/3 = - (3x3+1)/3 =-10/3 = - 3.3334

-4/5 = -0.8

Since he number must greater than −3 1/3 but less than − 4/5.

−3 1/3 < x < − 4/5.

- 3.3334 < x < -0.8

The correct option is A = -9/7 , because in decimal form is equal to -1.28-

- 3.3334 < -1.28 < -0.8

5 0
3 years ago
Zachary bought 8 hot dogs at the fair. He paid a total cost of $12.00 for the food. Find the unit cost of one hot dog.
masya89 [10]

Answer:.66

Step-by-step explanation:

You divide 8 and 12

3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIST SOON AS I CAN I DONT UNDERSTAND THIS, PLZ HELP​
allochka39001 [22]

Answer:

b = 7\sqrt{3}

Step-by-step explanation:

Since the triangle is right use the tangent ratio to solve for b

and the exact value

tan30° = \frac{1}{\sqrt{3} }, thus

tan30° = \frac{opposite}{adjacent} = \frac{7}{b} and

\frac{7}{b} = \frac{1}{\sqrt{3} } ( cross- multiply )

b = 7\sqrt{3}

8 0
3 years ago
PLEASE HELP ILL CHOOSE BRAINLIEST!!!!
MAXImum [283]
30÷4=7.5
45÷7.5=6
you will need about 6 gallons of water to fill it.
4 0
3 years ago
Read 2 more answers
See comment for what I need
Roman55 [17]

Answer:

I already sent u the link from there, even tho, they deleted my question, but yh i set the title as well incase u needed it! Good luck

Step-by-step explanation:

4 0
3 years ago
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