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Fiesta28 [93]
3 years ago
5

John and Jim painted a

Mathematics
1 answer:
Harman [31]3 years ago
4 0
1/4+5/12=3/12+5/12=8/12=4/6=2/3

they painted 2/3 of the fence
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Rico spent $44 on 8 toy cars. If each toy car cost the same amount of money, how much did each car cost?
bagirrra123 [75]

Answer:

$5.5

Step-by-step explanation:

Divide 44 into 5 to get what each car costs!

6 0
2 years ago
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Suppose a certain home improvement outlet knows that the monthly demand for framing studs is 2,300 when the price is $4.77 each
pogonyaev

Answer:

p + 0.0001q = 5

Step-by-step explanation:

Data provided in the question:

When Price, p₁ = $4.77 ; Demand, q₁ = 2,300

and,

When Price, p₂ = 3,300 ; Demand, q₂ = 3,300

considering the above as the points on the line,

now, the general equation for a line is given as:

\frac{q_1-q}{p_1-p}=\frac{q_2-q_1}{p_2-p_1}

on substituting the respective values, we get

\frac{2,300-q}{4.77-p}=\frac{3,300-2,300}{4.67-4.77}

or

\frac{2,300-q}{4.77-p}=\frac{1000}{-0.1}

or

2,300 - q = -10,000(4.77 - p)

or

⇒ 2,300 - q = -47700 + 10,000p

or

⇒ 10,000p + q = 2300 + 47700

or

⇒ 10,000p + q = 50000

or

⇒ p + 0.0001q = 5

8 0
2 years ago
When my car's gas tank is 80% empty, it contains 3 gallons of gas. How many gallons
Fofino [41]
The answer is 12 gallons
3 0
2 years ago
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Solve the system: 2x – 6y + 4z = 3 <br> -3x + 9y – 6z = -3 <br> 5x – 15y + 10z = 5
mel-nik [20]

Answer:

7

Step-by-step explanation:

i hope this is right, I did the math

5 0
3 years ago
A spherical dodge ball has a radius r and a tennis ball has a radius 0.3r? What is the difference in volume between a dodge ball
elena-s [515]

Answer:

4/3π(0.973r³)

Step-by-step explanation:

Volume of a sphere = 4/3πr³

Given the radius of dodge ball rd = r

radius of tennis ball rt = 0.3r

Taking their difference

Volume difference  = 4/3πrd³ - 4/3πrt³

Volume difference  = 4/3π(r)³ - 4/3π(0.3r)³

Volume difference  = 4/3π(r³ - 0.027r³)

Volume difference = 4/3π(0.973r³)

Hence the differmce in volume is  4/3π(0.973r³)

5 0
2 years ago
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