3 years ago

Solve the equation : |x| - 6 = 4

Mathematics

1 answer:

wlad13 [49]3 years ago

6 0

Answer:

x=10

Step-by-step explanation:

10-6 is equal to 4. The absolute value of 10 is 10. Therefore, x=10. Brainliest?

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John likes to hike during the summer he can usually hike about 3 miles every hour but when it's really hot he swims in a mountai

Nastasia [14]

During the 9 mile hike he spends 2 periods of half hour swimming = 1 hour.
actual hiking time = 3*3 = 9 hours

So total time = 9+1 = 10 hours

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3 years ago

Which of the following points is a solution of y ≤ -|x| - 1? (-1, -3) (0, 0) (1, -1)

alexdok [17]

Y + 1 $\leq$ -|x|
-y - 1 $\geq$ |x|
-(-y - 1) $\leq$ x $\leq$ -y - 1
(0, 0)

Answer: B).

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3 years ago

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A rectangular pool has an area of 50 square feet. What are the lengths of its sides? There is more than one possible answer. Dra

lara [203]

Answer:

10*5 or 25*2

Step-by-step explanation:

There are other answers but those involve decimals and I'm assuming they want whole numbers.

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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!

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3 years ago

Today, everything at store is on sale. The store offers a 20% discount. Which of these expressions could be used to

MArishka [77]

Answer:

2. 0.2x

Step-by-step explanation:

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3 years ago