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wel
3 years ago
14

BRAINLIEST OFFER! 7.the probality of winning a game is 25%. How many times would you expect to win if you play 36 times?

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0
The answer to 7 is 9 times and the answer to 8 is 248 car owners
Hope this helps
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g For the curve parameterized by x(t) = 3 sin t, y(t) = 5 cost, for −π/4 ≤ t ≤ π/2: (a) Sketch the curve and the direction trace
tamaranim1 [39]

Answer:

a) See the file below, b) s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx, c) s \approx 9.715

Step-by-step explanation:

a) Points moves clockwise as t increases. See the curve in the file attached below. The parametric equations describe an ellipse.

b) The arc length formula is:

s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx

c) The perimeter of that arc is approximately:

s \approx (\frac{1}{4} + \frac{1}{8})\cdot 2 \pi\cdot \sqrt{\frac{3^{2}+5^{2}}{2} }

s \approx 9.715

5 0
3 years ago
A standard coffee mug has a capacity of 16 fluid ounces. If Annie needs to fill 26 mugs with coffee, how many total quarts of co
r-ruslan [8.4K]
First let's find how many total ounces it would be by multiplying 16 ounces by the number of mugs (26).

16 × 26 = 416

So she needs 416 ounces of coffee. Now we have to convert ounces to quarts. We need to know that there are 32 ounces per quart. So to find quarts we divide 416 ounces by 32...

416 ÷ 32 = 13 quarts

*FYI- since the mugs hold 16 ounces we can see that 16 is half of 32 so we could have just taken 1/2 of 26 mugs which is 13.
4 0
3 years ago
what number become double when you divide by itself and become its half when you multiply it by itself​
Anastasy [175]

Answer:

1/2

Step-by-step explanation:

1/2 times 1/2 equals .25 (.25 is 1/4 which is half of 1/2)

1/2 divided by 1/2 is 1( 1 is 1/2 plus 1/2)

7 0
3 years ago
At birth, one puppy weighs 15/16 pounds. A second puppy weighs 1 and 1/8 pounds. How much more did the second puppy weigh?
zvonat [6]

Answer:

3/16 pounds more.

Step-by-step explanation:

It is 1 1/8 - 15/16

= 9/8 - 15/16

= 18/16 - 15/16

=  3/16.

5 0
1 year ago
Is 10.2 greater or lesser than 10
insens350 [35]
Its is greater, your welcome xoxo savi eden
3 0
2 years ago
Read 2 more answers
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