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3 years ago

Tapes-r-us are us is having a sale on HQ tape players the regular price is $60 discount is $18 what percent discount is this

1 answer:

3 0

To find the percent discount you will write the following equation:
x% of 60 is 18

60x = 18
60 60

x = 0.3
The discount is 30%.

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In the electric currect flow, it is found that the resistance (measured in the units called ohms) offered by a fixed length o

Morgarella [4.7K]

Let x be the resistance of the wire with the larger diameter.
x = (0.456 x (0.01)^2)/(0.0401)^2 = 0.0284 ohms
The answer is 0.0284 ohms.

7 0

2 years ago

Mr. Smith built a rectangular-shaped sandbox for his children, measuring 4 feet by 4 feet by 6 inches. Sand has a density of app

ehidna [41]

Answer:

To completely fill the sandbox will cost $56

Step-by-step explanation:

First, we calculate volume of the rectangular-shaped sandbox:

$V=long*with*height\\V=4feet*4feet*0.5feet\\V=8cubicfoot$

We know that density of sand is 100 pounds per cubic foot. Then, to fill the sand box that has a volume of 8 cubic foot, we calculate by rule 3:

1cubic foot..............100 pounds

8 cubic foot.............x pounds

$x=\frac{8*100}{1}$

$x=800 pounds$

We will need 800 pounds of sand to fill the sandbox, then we can calculate by rule 3 the number of bags needed and next the total cost of them:

50 pounds.......1bag

800 pounds.....x bags

$x=\frac{800*1}{50} \\x=16$

To calculate the cost:

1 bag ..................$3.50

16 bags.................$x

$x=16*3.50\\x=$56$

To completely fill the sandbox will cost $56

4 0

3 years ago

Complete the sentence

ryzh [129]

Answer: b, d

Step-by-step explanation:

Corresponding angles are formed when two parallel straight lines are cut by a transversal

$\angle b=62^{\circ}$

In the figure, $\angle d\ \text{and}\ 62^{\circ}$ are alternate angle

$\therefore \angle d=62^{\circ}$

3 0

2 years ago

Use the scatter plot to fill in the missing coordinate of the ordered pair?

Leona [35]

Answer:

Pairs (0, 14) and (10, 0)

5 0

2 years ago

What is the standard form for the quadratic function? f(x) = (x – 3)2 + 5

Minchanka [31]

Answer:

f(x) = x² - 6x + 14

Step-by-step explanation:

Standard form is ax² + bx + c = 0 or f(x) = ax² + bx + c

So we are going to expand the equation and combine like terms:

f(x) = (x - 3)² + 5

f(x) = x² - 3x - 3x + 9 + 5

f(x) = x² - 6x + 9 + 5

f(x) = x² - 6x + 14

7 0

2 years ago