3 years ago

What are the answers to 18-38

Mathematics

1 answer:

anygoal [31]3 years ago

4 0

The answer to your question is 20

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Solve for x<br> ax+bx=10

VMariaS [17]

Answer:

$ax + bx = 10 \\ \\ x(a + b) = 10 \\ \\ x = \frac{10}{a + b}$

I hope I helped you^_^

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2. Which expression is equivalent to 2x2 + (4x - 6x2)+9 - (6x + 3)?

frez [133]

The answer is g you just have to combine the Like terms

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Which one is it? (easy)

Maru [420]

Answer:

Step-by-step explanation:

7/11 is bigger than 3/5

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Solve this equation <br><br> -2(x+5)=-3

fenix001 [56]

-2x-10=-3 which equals -2x=7 then divide by -2 and get x=-3.5

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3 years ago

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A manufacturer of cream filled donuts collected data from its automatic filling process. The amount of cream inserted into the d

LuckyWell [14K]

Answer:

The appropriate solution is "1.7109". A further explanation is provided below.

Step-by-step explanation:

The given values are:

Sample size,

n = 25

Degree of freedom,

$df=n-1$

$=25-1$

$=24$

At 90% confidence level,

$\alpha=1-90 \ percent$

$=1-0.9$

$=0.1$

and,

$\frac{\alpha}{2}=\frac{0.1}{2}$

$=0.05$

Now,

The correct values of t will be:

= $t_{\frac{\alpha}{2}, df }$

= $t_{0.05,24}$

= $1.7109$

5 0

3 years ago