3 years ago

The original price of a picnic table is $77.80 the sale is 40% off. What is the sale price?

Mathematics

1 answer:

Ivenika [448]3 years ago

5 0

Answer:

46.68

Step-by-step explanation:

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Solve by substitution

Hunter-Best [27]

Answer:

Step-by-step explanation:

y = -9 ------(1)

9x -4y = -9 -------(2)

substitute (1) into (2)

9x - 4 (-9) = -9

9x = - 45

x = -5

there you go, x = -5 and y = -9

so. (-5 , -9 )

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3 years ago

The diagram shows the dimensions of a teepee. Find the volume of the building to the nearest cubic unit. Use 3.14 for pi.

LekaFEV [45]

The volume of a cone uses the following formula:

$V = \pi r^{2} \frac{h}{3}$

Our diameter is 20 feet, so divide this by 2 to find the radius:

$20 \div 2 = 10$

We now have all of our values need to fill in the formula. Plug in these values:

$\pi = 3.14, r = 10, h = 17$

$3.14 * 10^{2} * \frac{17}{3}$

$3.14 * 100 * 5.67$

$314 * 5.67 = 1780.38$

The volume of the cone is 1780 cubic feet.

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3 years ago

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Alex17521 [72]

Answer:

first option is the correct answer

Step-by-step explanation:

v + w = (-9+1,2-6)

= (-8,-4)

4 0

3 years ago

Read 2 more answers

ackie’s report is 5 pages longer than half the number of pages in Kane’s report. There are 14 pages in Kane’s report. How many p

natulia [17]

Jackie's report is 12 pages long.

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3 years ago

A scuba diver is 23 feet below sea level.A second diver is 7 feet closer to the surface. What integer represents the second scub

NeTakaya

Answer:

The integer is -16

Step-by-step explanation:

The first scuba diver is 23 feet below sea level. THe second is 7 feet closer.

23 - 7 = 16. He is still under sea level, so it would be -16

6 0

3 years ago