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sattari [20]
3 years ago
8

Find the number.

Mathematics
1 answer:
k0ka [10]3 years ago
5 0
"six times a number" is 6x, "is" means equals, 3times the number is 3x and then add the 9 for "9 more than".  6x = 3x + 9.  3x = 9 and x = 3
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A taxi service charges $1.50 plus $0.60 per mile for a trip to the airport. The total charge is $13.50.
Readme [11.4K]

Answer:

13.50=1.50+.6x

Step-by-step explanation:

13.50=1.50+ .6x

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4 0
3 years ago
A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation i
velikii [3]

Answer: One tail test.

Step-by-step explanation:

Given : A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3.

Also, The set of hypothesis to conduct a test :-

H_0:\mu\leq10\\\\H_1:\mu>10

The kind of test need to perform is dependent upon the alternative hypothesis.

Since, the alternative hypothesis is one tailed (right-tailed), so the test is one tail test.

5 0
3 years ago
(8x-11)-(15-x)=1 dont know where to start with it​
schepotkina [342]

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>3</em>

Step-by-step explanation:

First open the brackets. While opening brackets, you've to be careful about signs. So when you open bracket of <em>(</em><em>1</em><em>5</em><em>-</em><em>x</em><em>)</em>, there's <em>negative</em> sign in front of it, so it makes the signs inside the brackets to change. Then you solve the it.

4 0
3 years ago
Read 2 more answers
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Archy [21]

Answer:

Image isn't popping up

Step-by-step explanation:

8 0
2 years ago
Can someone help with number 13 ?<br><br> I will give a brainly !!
Lostsunrise [7]
This picture should help, i graphed it for you! : )

5 0
2 years ago
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