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3 years ago

Solve for s. 5/9s+13/9s=24

1 answer:

3 0

Start by combining like terms:
$( \frac{5}{9} s + \frac{13}{9}s)=24
$
$\frac{5}{9} s + \frac{13}{9}s=2s$

Now we have:
$2s=24$

Divide both sides by 2 to isolate s

$\frac{2s}{2} = \frac{24}{2}$

Final answer:

s=12

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The midpoint of AB is M(-2,5). If the coordinates of A are (1,7), what are the coordinates of B?

ratelena [41]

Answer:

(-5, 3)

Step-by-step explanation:

B = 2M - A

B = 2(-2, 5) -(1, 7) = (-4-1, 10-7) = (-5, 3)

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3 years ago

Solve the system of equations -6y+11x=-36 -4y+7x=-24 x= y=

Papessa [141]

Answer:

Y=6

X=0

Step-by-step explanation:

Hope this helps

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3 years ago

An article reported that for a sample of 55 kitchens with gas cooking appliances monitored during a one-week period, the sample

Sati [7]

Answer:

Step-by-step explanation:

Given that

sample size n = 55: x bar = 654.16 and s = sample sd = 162.34

Std error = 162.34/sqrt 55 = 21.889

For 95% CI we can use t critical value as population std dev is not known.

df = 54

t critical = 2.004

Margin of error = 2.004 *21.889 = 43.866

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Confidence interval rounded off at 95% = (610.29, 698.23)

8 0

3 years ago

Im so lost what the answer is

Rainbow [258]

Answer:

Unfortunately, we can't do anything with 41 as it has no factors. Since $3\sqrt{41}$ is already simplified, try submitting that as your answer. If that doesn't work then try un-doing their steps and get rid of the 3:

$3\sqrt{41}$

$\sqrt{41(9)}$

$\sqrt{369}$

Hope this helps!

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2 years ago

Need Help with some Math

tatyana61 [14]

Answer:

Step-by-step explanation:

We can use the Polynomial Remainder Theorem. The PRT states that if we have a polynomial $f(x)$ being divided by a factor in the form of $(x-a)$ , then the remainder of the polynomial is given by $f(a)$ .