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Bumek [7]
3 years ago
5

Find three consecutive even integers such that 4 times the third integer is 4 more than the 3 times the first integer plus two t

imes the second integer.
Mathematics
1 answer:
musickatia [10]3 years ago
4 0
Let lowest integer be n  then

4(n + 4)  = 3n + 2(n + 2) + 4

4n + 16 = 5n + 8
8 = n  

so three integers are 8,10 and 12.
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(<img src="https://tex.z-dn.net/?f=%28%5Csqrt%7B6%7D%20%2B%5Csqrt%7B3%7D%29%28%5Csqrt%7B2%7D-2%29" id="TexFormula1" title="(\sqr
Marta_Voda [28]

Answer:

-2.453

Step-by-step explanation:

sqrt(6) * sqrt(2) = 3.461

sqrt(6) * -2 = -4.899

sqrt(3) * sqrt(2) = 2.449

sqrt(3) * -2 = -3.464

sum of numbers equals

-2.453

7 0
3 years ago
HELP!! I need this for tonight :(
artcher [175]

Answer:

Step-by-step explanation:

bobby

5 0
3 years ago
Use the given information to find the number of degrees of​ freedom, the critical values χ2L and χ2R​, and the confidence interv
Sidana [21]

Answer:

χ²R = 8.643

χ²L = 42.796

0.20 < σ < 0.45

Step-by-step explanation:

Given :

Sample size, n = 23

The degree of freedom, df = n - 1 = 23 - 1 = 22

At α - level = 99%

For χ²R ; 1 - (1 - 0.99)/2= 0.995 ; df = 22 ; χ²R = 8.643

For χ²L ; (1 - 0.99)/2 = 0.005 ; df = 22 ; χ²L = 42.796

The confidence interval of σ ;

s * √[(n-1)/χ²L] < σ < s * √[(n-1)/χ²R)]

0.28 * √(22/42.796) < σ < 0.28 * √(22/8.643)

0.2008 < σ < 0.4467

0.20 < σ < 0.45

6 0
3 years ago
A person can do a job in 6 days. Another can do the same job in 4 days. If they work together, how long do they need to finish t
NeX [460]

Answer:

2.4 days

Step-by-step explanation:

Time working together,t ,is

1/t = 1/a+ 1/b  where a and b is the times working alone

1/t = 1/4 + 1/6

Multiply each side by 12t to clear the fractions

12t( 1/t )= 12t(1/4 + 1/6)

12 = 3t+2t

12 = 5t

Divide by 5

12/5 = 5t/5

2 2/5 =t

2.4 days

7 0
4 years ago
Read 2 more answers
In any linear relationship why is the slope always the same?
tatyana61 [14]
Because it is a linear relationship<span> between x and y, this gain ratio is the </span>same <span>everywhere along the line. This is the most common way to represent a straight line because readers can easily obtain two basis of a straight line, namely </span>slope<span> (m) and y- intercept (c).</span>
6 0
4 years ago
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