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Llana [10]
3 years ago
6

ASAP. I need help figuring out why I got the circled answers incorrect. the ones that have checkmarks next to them are right​

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
5 0

Answer:

What class is that for?

Step-by-step explanation:

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Anestetic [448]

Answer:

................................................................................................................................................................................................

Step-by-step explanation:

A cylinder has a height of 14 centimeters and a radius of 17 centimeters. What is its volume? Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

6 0
2 years ago
Suppose you have $75 to spend on gas for your whole trip. You know that gas costs $3.40 per gallon. How many gallons of gas can
Paha777 [63]
$75 dollars divided by $3.40 per gallon ≈ 22.0588 gallons
4 0
2 years ago
Read 2 more answers
Ramon is playing a game in which he must pull two blocks out of a bag containing red and yellow blocks. He cannot look, and he c
Nimfa-mama [501]
A) \frac{x(x+4)}{(2x+4)(2x+3)}
B) 1/4 = 25%
C) 1/8 = 12.5%

Explanation
A) Let x = the number of yellow blocks.  Then x+4 = the number of red blocks, and x+x+4=2x+4 is the total number of blocks.

The probability of choosing a red block first would be
\frac{x+4}{2x+4}
since there are x+4 red blocks out of 2x+4 total blocks.

The probability of choosing a yellow block after the red block would be 
\frac{x}{2x+4-1}=\frac{x}{2x+3}
since there are x yellow blocks, and after 1 is chosen, there are 2x+3 total blocks remaining.

This gives the total probability of 
\frac{x+4}{2x+4}\times \frac{x}{2x+3}=\frac{x(x+4)}{(2x+4)(2x+3)}

B) If there are 6 yellow blocks, there are 6+4=10 red blocks, and 10+6=16 total blocks.
The probability of getting a red block first would be 10/16, and the probability of getting a yellow block after the red block would be 6/15.  Together this gives us
10/16(6/15) = 60/240 = 1/4 = 0.25 = 25%

C) If there are 6 yellow blocks, there are 6+4=10 red blocks, and 10+6=16 total blocks.
The probability of getting a yellow block first is 6/16, and the probability of getting a second yellow block after the first one is 5/15.  Together this gives us
6/16(5/15) = 30/240 = 1/8 = 0.125 = 12.5%
6 0
2 years ago
Find the exact value of tan(x-y) if sin x=8/17 cosy = 3/5
jolli1 [7]

To solve the the question we proceed as follows:

From trigonometric laws

(cos x)^2+(sin x)^2=1

(cos x)^2+(sin x)^2=1

sin (x-y)=sin x sin y-sin y cos x

cos (x-y)=cos x cos y+sin x xin y

si  x=\frac{8}{17}

cos x=sqrt(1-(sin x)^2)=sqrt(1-64/289)=sqrt(\frac{225}{289} )=\frac{15}{17}

cos y=\frac{3}{5}

sin x= sqrt(1- (cos x)^2)= sqrt(1-\frac{9}{25} )=sqrt(\frac{16}{25} )=\frac{4}{5}

thus

tan (x-y)=[sin (x-y)]/[cos (x-y)]

=[sin x cos y-sin y cos x]/[cos x cos y+sin x sin y]

plugging in the values we obtain:

[8/17 *3/5-4/5*15/7]/[15/17*3/5+8/17*4/5]

simplifying

[24/85-60/85]/[45/85+32/85]

=-\frac{36}{77}

6 0
2 years ago
1) g(x) = 4x + 3<br> h(x) = 3x + 3<br> Find g(x) + (x)
Nuetrik [128]

Answer:

Step-by-step explanation:

g(x) = 4x + 3

h(x) = 3x + 3

g(x) + h(x) = 7x + 6

4 0
2 years ago
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