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8_murik_8 [283]
3 years ago
9

2.9n+1.7=3.5+2.3n and the answer is 1... Am I correct???

Mathematics
1 answer:
ioda3 years ago
3 0
2.9n+1.7-(1.7)=3.5-(1.7)+2.3n === 2.9n-(2.3n)=1.8+2.3n-(2.3n) === .6n/.6=1.8/.6 === n=3 :)
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Find P(3 on 1st card and 10 on 2nd). (Enter your answer as a fraction.)
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3 years ago
2. f(x)=4x+1 and ​g(x)=x2−4x−5​, find ​(g◦​f)(4​).
Goryan [66]

Answer:

(g · f)(4) = 45

Step-by-step explanation:

f(x)=4x+1

g(x)=x² - 4x- 5

(g · f)(x) = 4(x² - 5) + 1

(g · f)(4) = 4(4² - 5) + 1

Following pemdas

(g · f)(4) = 4(16 - 5) + 1

(g · f)(4) = 4(11) + 1

(g · f)(4) = 44 + 1

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8 0
2 years ago
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8 0
3 years ago
We want to know if there is a difference between the mean list price of a three bedroom home, , and the mean list price of a fou
Vitek1552 [10]

Answer:

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

H_a:\mu_1-\mu_2\neq 0

Step-by-step explanation:

This would be an two-sample hypothesis test for the difference between two means.

As we are looking for differences, we are not testing if one population mean is bigger than the other. This will  be a two-tailed test and the alternative hypothesis will have a unequal sign.

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

This can be written as:

H_a:\mu_1-\mu_2\neq 0

meaning that the population means are significantly different.

3 0
4 years ago
2 + 2 + 9 x 19 = <br> FMOTT
tatuchka [14]

Answer:

175

Step-by-step explanation:

I would assume you are asking what 2 + 2 + 9 * 19, and that the image is merely advertisement and irrelevant info for the question.

Anyway, we are solving 2 + 2 + 9 * 19.

<u>PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction:</u>

That is the order of operations. We can apply that in your equation.

Since multiplication comes before addition/subtraction, we are solving 9 * 19 first. That gives 171.

Now for addition:

2 + 2 + 171 = 4 + 171.

4 + 171 = 175.

Thus, our final answer is 175.

6 0
4 years ago
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