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ololo11 [35]
2 years ago
9

Lance used two gallons of paint to pain 785 square feet. How many gallons will he need to purchase to cover 2,500 square feet?

Mathematics
1 answer:
Digiron [165]2 years ago
8 0

Answer:

7 gallon

Step-by-step explanation:

Divide the space that needs paints by how much space has been painted

2500/785 = 3.18

Then double that because it takes 2 gallons to paint every 785 square feet

3.18 x 2 = 6.36

You would need 6.36 gallons of paint, which would round up to 7 because you cannot buy 0.36 of a gallon

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The low temperature in Leroy's town one day was Negative 4 degrees Fahrenheit. The difference between the high temperature and t
Ivenika [448]

The high temperature was 2 degrees Fahrenheit in the town that day.

Step-by-step explanation:

Given,

Low temperature in Leroy's town = -4 degree Fahrenheit

Difference between low and high temperature = 6 degrees Fahrenheit

Equation used to find high temperature h;

h-(-4)=6

Solving the equation

h+4=6\\h=6-4\\h=2

The high temperature was 2 degrees Fahrenheit in the town that day.

Keywords: equation, subtraction

Learn more about subtraction at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

3 0
2 years ago
Read 2 more answers
The graph shows the level of ibuprofen, y units, in a patient’s bloodstream x hours after the ibuprofen was taken. Select the co
ElenaW [278]

The graph is missing, so i have attached it.

Answer:

From 0 hours to 2 hours.

Step-by-step explanation:

From the attached graph, we can see that on the y-axis, denotes the level of ibuprofen in the patient’s bloodstream while the x-axis denotes the amount of hours after the ibuprofen was taken.

Now, looking at the graph, we can see that the curve goes up from a time of 0 hours which corresponds to 0 mg of ibuprofen to a time of 2 hours which corresponds to 400 mg of ibuprofen.

After that point, the curve begins to to go down. Since we are concerned with increase, we will make do with the first statement.

Thus, we can say the period at which the level of ibuprofen increased was from 0 hours to 2 hours.

6 0
2 years ago
The fuel cost per hour for running a ship is approximately one half the cube of the speed (measured in knots) plus additional fi
andrezito [222]

Answer:

6 knots

Step-by-step explanation:

Let the speed be v knots

then time taken to cover 500 M = 500 / v hrs

fuel consumption /hr = 216 + 0.5v^3

let F be the fuel consumption for trip

= [500/v][216 + 0.5v^3]

= 500[216/v + 0.5v^2]

dF/dv = 500[ - 216/v^2 + v]

d^2F/d^2v = 500[432/v^3 + 1] , i.e. +ve

so setting dF/dv will give a minima

500[ -216/v^2 + v] = 0

or v = 216/v^2

or v^3 = 216

solving, we get v = [216]^(1/3) = 6 knots

7 0
2 years ago
Ryan invested some money in his bank he agreed a simple interest rate of 4% per annum for a 2 years At the end of the 2- years p
sdas [7]

\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$P\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ t=years\dotfill &2 \end{cases} \\\\\\ I=P(0.04)(2)\implies I=0.08P\implies \stackrel{\textit{converting it to percentage}~\hfill }{0.08\cdot 100\implies 8\%\textit{ of original }P}

4 0
2 years ago
In which set do all of the values make the inequality 2x - 1 < 10 true?
igomit [66]

2x - 1 < 10\Leftrightarrow 2x < 11\Leftrightarrow x <  \frac{11}{2}

8 0
2 years ago
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