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DochEvi [55]
3 years ago
12

8x^3+35x^2-31x-9/x+5​

Mathematics
1 answer:
BigorU [14]3 years ago
6 0

Answer:

\frac{8x^{4}+35x^{3}-31x^{2}+5x-9}{x}

Step-by-step explanation:

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Zach has a terrarium with the dimensions of 20 by 8 and the terrarium was filled with 3 inches of sand.Zach gets a new terrarium
Vladimir79 [104]

Answer: the sand in the new terrarium is 2 inches deep.

Step-by-step explanation:

Zach has a terrarium with the dimensions of 20 by 8 and the terrarium was filled with 3 inches of sand. It means that the volume of sand that this terrarium contains is

20 × 8 × 3 = 480 inches³

Zach gets a new terrarium that is larger with the dimensions of 10 by 24. If Zach moved the existing sand in the new terrarium and the height of the sand is represented by h, then the volume of sand into he new terrarium is

10 × 24 × h = 240h

Since the volume of sand in both terrariums is equal, then

240h = 480

h = 480/240

h = 2 inches

7 0
3 years ago
A group of 40 bowlers showed that their average score was 192. Assume the population standard deviation is 8. Find the 95% confi
kodGreya [7K]

Answer:

CI=189.5,194.5

Step-by-step explanation:

From the question we are told that:

Sample size n=40

Mean \=x =192

Standard deviation\sigma=8

Significance Level \alpha=0.05

From table

Critical Value of Z=1.96

Generally the equation for momentum is mathematically given by

 CI =\=x \pm z_(a/2) \frac{\sigma}{\sqrt{n}}

 CI =192 \pm 1.96 \frac{8}{\sqrt{40}}

 CI=192 \pm 2.479

 CI=189.5,194.5

5 0
3 years ago
\frac{3}{2}+\frac{2x+1}{6}=-1<br> 2<br> 3<br> ​ <br> + <br> 6<br> 2x+1<br> ​ <br> =−1
malfutka [58]

Answer:

\frac{3}{2}  +  \frac{2x + 1}{6}  =  - 1 \\ 3 +  \frac{2x + 1}{3}  =  - 2 \\  \frac{9 + 2x + 1}{3}  =  - 2 \\ 10 + 2x =  - 6 \\ 2x =  - 16 \\ x =  - 8

5 0
3 years ago
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3 years ago
Cassie purchased 8 pounds of apples for $14.88 how much does one pound cost
masya89 [10]

Answer:

1.68

Step-by-step explanation:

14.88/8=1.68

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3 years ago
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