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faust18 [17]
3 years ago
8

I need some help with Algebra 2???

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

7. x = 10 or -8

8. x\sqrt{5} - 25\sqrt{x}

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What is the volume of a cone that has a height of 10 feet and a base with a diameter of 2 and half feet?
lyudmila [28]
Volume of a cone: 1/3\pir²h
r is the radius (diameter ÷ 2) and h is the height.

Find the radius first using the diameter: 2\frac{1} {2} ÷ 2 = 1.25

Now plug in the numbers into the formula.

1/3\pi1.25²10 = <span>16.4
</span>
The volume of the cone is 16.4 cubic feet.
6 0
3 years ago
A road is 450 metres long . It takes a woman 5 minutes to walk along the road . Work out the average speed of the woman . Give y
Masja [62]
Theres 60 seconds in a minute. If it takes her 5 minutes, multiply 60 by 5. you will get 300. then all you will do is divide the meters by 300 seconds. you will get the answer of 1.5 metres per second.
6 0
2 years ago
Calculate the circumference. round to the nearest hundredth. 16 inches
goldenfox [79]

Given the radius is, r = 16 in,

The expression for the circumference of a circle is,

C=2\pi r

Therefore, we have,

C=2\times3.14\times16\text{ in = }100.48\text{ in}

Thus, the circumference of the circle is 100.48 in.

6 0
1 year ago
Look at the box-and-whisker plot.
Marizza181 [45]

i would say B

when it says "the measure", it's refering to where the second quartile is beginning

3 0
3 years ago
If you drive three cars from a regular deck of 52 cards for keeping each card out of the deck after you drive what are the chanc
Andreyy89
Chance to draw 7: 4 out of 52
chance to draw 1st queen: 4 out of 51
chance to draw 2nd queen: 3 out of 50
total chance = multiplication of 
\frac{4}{52} times \frac{4}{51} times \frac{3}{50}

\frac{2}{5525}

pretty miserable change... apox 1 out of 2762, but still much better than any lottery ticket

6 0
3 years ago
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