Pls help me I am on a timer..

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

8 0

I think it’s the last one

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Joe has some pocket money. He spends 90% of it. He has fifty pence left. How much pocket money did he have?

nirvana33 [79]

£5 g g ft vygtvtfyddtvtv ygydjdh3s

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3 years ago

Juwan and his friend Jamie are watching their favorite tech penny stocks in the stock market. The initial value of Jamie’s stock

MAVERICK [17]

I think it’s a if not i’m sorry

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2 years ago

2. You are creating a cone-shaped hat for a kid’s costume. You measure the circumference of the child’s head and find it to be 2

Monica [59]

Just draw a triangle(front view) and the slant/inclined sides of it are known to be 8 and you found out radius as 3.26. so mark the diameter by doubling radius.

so the material required would be a slice(like pizza slice) of a circle of radius= 8 and arc length = circumference given ,that is 20.5

now using this find the area of sector/slice. its the answer to the last bit.

now coming to next question, go to the kitchen and take any can and measure its dia and height by using a scale. and you might already know the formula to find the suface area of cylinder.

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3 years ago

The formula for the volume of w sphere is v=4\3 r3 what is the formula solved for r?

Lyrx [107]

V of w sphere = $\frac{4}{3}$ $\pi$ r³
Multiply by 3 on either sides to get rid of the fraction.
$V * 3 = \frac{4}{3} *3 \pi r^3$
3V = 4 $\pi$ r³
Now divide either sides by 4 $\pi$ to isolate r³
$\frac{3V}{4 \pi } = \frac{4 \pi }{4 \pi }$ r³
4 $\pi$ and 4 $\pi$ cancels out
$\frac{3V}{4 \pi }$ = r³
Take the cube root to isolate r.
$\sqrt[3]{ \frac{3V}{4 \pi } } = \sqrt[3]{r^3}$
the cube root cancels the cube

$\sqrt[3]{ \frac{3V}{4 \pi } }$ = r

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3 years ago

20 points

kodGreya [7K]

Answer:

a) x=0, x=-10, x=11

Step-by-step explanation:

Just find the x- coordinates for when f(x) intersects g(x).

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4 years ago