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iris [78.8K]
3 years ago
8

Help? please lol school is so confuesing

Mathematics
1 answer:
Phoenix [80]3 years ago
6 0

\frac{6x}{x^{4} + 5}

Let's plug in 2 anywhere that we see an x:

\frac{6(2)}{(2)^{4} + 5}

\frac{12}{16 + 5}

\frac{12}{21}

Both the numerator and denominator are divisible by 3, so we can divide 3 out of each to get the final answer:

\frac{3 * 4}{3 * 7}

\frac{4}{7}

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Alice has 1/5 as many miniature cars as Sylvester has Sylvester has 35 miniature cars how many miniature cars does alic have?
const2013 [10]
The answer is 7. Since Alice has 1/5 as many cars as Sylvester. You multiply 1/5 by how many cars Sylvester has. Sylvester has 35 cars, so you would do 35 times 1/5 or 35 divided by 5 (multiply by 1/5 and divided by 5 are the same thing) and you would get your answer of 7.
6 0
3 years ago
In a sample of 53 walking canes, the average length was found to be 34.3in. with a variance of 1.9. Give a point estimate for th
Anna11 [10]

Answer:

1.38

Step-by-step explanation:

The point estimate for the population standard deviation of the length of the walking canes is given as the squareroot of variance. Since variance is provided as 1.9 then the standard deviation will be

\sqrt 1.9=1.37840487520902\approx 1.38

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6 0
3 years ago
Solve the equation.<br><br> 89=x+1/3(7)
ser-zykov [4K]
89=x+1/3(7)
89=x+7/3
267/3=x+7/3
260/3=x
86 2/3=x. Hope it help!
7 0
3 years ago
I need help on both of these please///:(
SCORPION-xisa [38]

14. The distance between the two points is 14.866.

Distance can be calculated with the following formula:

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(12-2)²+(5-(-6))²

d=√10²+11²

d=√100+121

d=√221

d=14.866

15. The distance between the two points is 20.248.

Use the same formula to find the distance.

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(4-(-3))²+(12-(-7))²

d=√7²+19²

d=√49+361

d=√410

d=20.248

4 0
3 years ago
someone pls help!!! Complete the proofs using the most appropriate method. Some may require CPCTC. I will give brainly
Softa [21]

Answer:

#9

I can't write out the whole proof here.

it bisects, so we know BCA is congruent to DCA

abc being congruent to adc is given

AC = AC because it is a singular side

AAS

then the lines are congruent by CPCTC

3 0
3 years ago
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