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11111nata11111 [884]
2 years ago
12

Which is equivalent to 2 (t - 4) + 1?

Mathematics
2 answers:
SashulF [63]2 years ago
6 0

Answer:

2t -7

Step-by-step explanation:

it should be right .......

...

.....

Natali [406]2 years ago
5 0

Answer:

2t -7

Step-by-step explanation:

Hope this helps! Plz brainliest?

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The researcher is interested to know if policy A (new) is more effective than policy B (old). Frame the hypothesis and describe
vesna_86 [32]

<u>Answer:</u>

<u>Null hypothesis: Policy B remains more effective than policy A.</u>

<u>Alternate hypothesis: Policy A is more effective than policy B.</u>

<u>Step-by-step explanation:</u>

Remember, a hypothesis is a  usually tentative (temporary until tested) assumption about two variables– independent and the dependent variable.

We have two types of hypothesis errors:

1. A type I error occurs when the null hypothesis (H0) is wrongly rejected.

That is, rejecting the assumption that policy B remains more effective than policy A when it is <em>actually true.</em>

2. A type II error occurs when the null hypothesis H0, is not rejected when it is actually false. That is, accepting the assumption that policy B remains more effective than policy A when it is <em>actually false.</em>

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3 years ago
What does it simply to please help
Juli2301 [7.4K]

Answer:

x

Step-by-step explanation:

3 0
2 years ago
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Frank purchased an air cooler for $3,000 in the year 2000. Its value depreciates by 8% each year. What is the value of the air c
Olenka [21]

Answer:

<h2>y=3000 (0.92)^3=2336.064=$2336.06</h2>

Step-by-step explanation:

<h2>Mark me brainliest please</h2>

4 0
3 years ago
Find an equation for those points P such that the distance from P to A(0, 1, 2) is equal to the distance from P to B(6, 4, 2). W
suter [353]

Answer:  The required equation for points P is 4x+2y=17.

Step-by-step explanation: We are give two points A(0, 1, 2) and B(6, 4, 2).

To find the equation for points P such that the distance of P from both A and B are equal.

We know that the distance between two points R(a, b, c) and S(d, e, f) is given by

RS=\sqrt{(d-a)^2+(e-b)^2+(f-c)^2}.

Let the point P be represented by (x, y, z).

According to the given information, we have

PA=PB\\\\\Rightarrow \sqrt{(x-0)^2+(y-1)^2+(z-2)^2}=\sqrt{(x-6)^2+(y-4)^2+(z-2)^2}\\\\\Rightarrow x^2+y^2-2y+1+z^2-4z+4=x^2-12x+36+y^2-8y+16+z^2-4z+4~~~~~~~[\textup{Squaring both sides}]\\\\\Rightarrow -2y+1=-12x-8y+52\\\\\Rightarrow 12x+6y=51\\\\\Rightarrow 4x+2y=17.

Thus, the required equation for points P is 4x+2y=17.

8 0
2 years ago
Ebert used to make $22 an hour, but got a 10% raise.How much more will he make in a 40 hour work week with the raise?
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The answer is 968 if because of add
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