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charle [14.2K]
3 years ago
9

A red candle is 8 inches tall and burns at a rate of 7/10 inch per hour. A blue candle is 6 inches tall and burns at a rate of 1

/5 inch per hour. After how many hours will both candles be the same height? Enter your answer in the box.
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
8 0

8  - (\frac{7}{10}  \times x )= 6  - ( \frac{1}{5}  \times x)
(X is hour)
so, x=4 ; Answer is 4(hour).
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CAT FOODA grocery store is selling 6 cans of cat food for $3. Write and solve an equation to find the cost of a can of cat food.
Digiron [165]

Answer:

6 * 3 = 18

Step-by-step explanation:

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4 0
3 years ago
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A rectangular garden has a walkway around it. The area of the garden is 6(6.5x + 2.5). The combined area of the garden and the w
Rasek [7]

According to the information given in the exercise, the following expression represents the area of the rectangular garden:

6\mleft(6.5x+2.5\mright)

And the following expression represents the combined area of the walkway around the rectangular garden and the area of the garden:

6.5\mleft(8x+6\mright)

You can identify that the word "combined" indicates that that expression was obtained by adding both areas.

Knowing the above, you can set up the following equation:

6(6.5x+2.5)+A=6.5(8x+6)

Where "A" is the area of the walkway around the rectangular garden.

Solving for "A", you get the following expression:

\begin{gathered} A=6.5(8x+6)-6(6.5x+2.5) \\ A=52x+39-39x-15 \\ A=13x+24 \end{gathered}

The answer is:

13x+24

7 0
10 months ago
Convert the following units. a. 108 eggs to dozens b. 35.79 dollars to cents c. 64 identical shoes to pairs d. 19,045 cents to d
kirill115 [55]
A. 9 dozens
b. 3,579 cents
c. 32 pairs
d. $190.45
e. 288 cookies


8 0
3 years ago
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Help me please- thank you
riadik2000 [5.3K]

Answer:

y=-8/5x+4

Step-by-step explanation:

The slope of perpendicular lines is the opposite reciprocal of the original equation.

To get the opposite reciprocal, flip the fraction and use the opposite sign.

Here, the slope is -8/5 because that is the opposite of 5/8.

To get the equation of the line, use point-slope and then distribute to get the equation in y=mx+b format.

Point slope: y-y1=m(x-x1). Use the coordinate (5,-4) in the equation.

y+4=-8/5(x-5)

Multiply (x-5) by -8/5 and simplify.

y+4=-8/5x+8

y=-8/5x+4

8 0
2 years ago
Solve.
horrorfan [7]

x/2 = -0.73

To solve for x multiply both sides by 2:

x = -1.46

6 0
2 years ago
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