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3 years ago

The $199.99 digital camera Anne purchased was on sale for 15% off. What amount did Anne get off the price?

1 answer:

defon3 years ago

8 0

29.99 dollars because if you use a calculator subtracting 1.99.99 by 15% you get 29.998 but you can also round up to 30$

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The first two steps in determining the solution set of the system of equations, y = -x2 + 4x + 12 and y=-3x + 24,

PSYCHO15rus [73]

Answer:

Step-by-step explanation:

(3,15) and (4,12)

5 0

3 years ago

Determine the volume of the figure. Use 3.14 for π. Round your answer to the nearest tenth. Show all of your work.

Ostrovityanka [42]

Answer:

1985 cubic units (written as un. with the cubed exponent)

Step-by-step explanation:

First, you find the volume of the cylinder

Here's the formula:

$V=\pi r^{2}h\\V=volume\\r=radius\\h=height$

Now, you plug in and solve.

$V=(3.14)(7.2^{2})(7.4)\\V=(3.14)(51.84)(7.4)\\V=(162.7776)(7.4)\\V=1204.55424\\rounded:\\V=1204.6$

Then, you find the volume of the dome.

Here's the formula:

$volume/of/a/sphere=\frac{4}{3}\pi r^{3}\\volume/of/a/dome:\\V=\frac{2}{3}\pi r^{3} \\V=volume\\r=radius$

Now, you just plug in and solve.

$V=(\frac{2}{3})(\pi)(r^{3})\\V=(\frac{2}{3})(3.14)(7.2^{3})\\V=(\frac{2}{3})(3.14)(373.248)\\V=(2.093)(373.248)\\V=781.208064\\rounded:\\V=781.2$

Finally, you add them together, and there's your answer!

$1204.6+781.2=1985.8$

Hope this helped!

brainliest?

8 0

3 years ago

Giving brainiest explain answer

enot [183]

Answer:

A.) -5

Step-by-step explanation:

Slope Formula ---> $m = \frac{y_2 - y_1}{x_2 - x_1}$ m = slope

$m = \frac{2 - (-3)}{-2 - (-1)}$

Eliminate negatives:

$m = \frac{2 + 3}{ -2 + 1}$

Solve:

$m = \frac{5}{-1}$

Simplify:

$m = -5$

7 0

3 years ago

) The product of a number and 3 is 7.5. What is the number?

Elena L [17]

Answer:

2.5

Step-by-step explanation:

X × 3=7.5

divide by 3

x=2.5

6 0

3 years ago

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On Friday, 278 fourth graders went on a field trip to the Arizona State museum. The staff divided them into 7 tour groups. Which

stiks02 [169]

There would be ABOUT 40 kids in each group :-)

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3 years ago

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