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DanielleElmas [232]
4 years ago
9

Can some one help answer

Mathematics
1 answer:
Jet001 [13]4 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Given

4x + 3x ← x is common to both terms and can be taken out as a common factor, that is

4x + 3x = (4 + 3)x = 7x

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The average age of Iowa residents is 37 years. Amy believes that the average age in her hometown in Iowa is not equal to this av
alekssr [168]

Answer:

The p-value of the test is 0.2.

Step-by-step explanation:

Using the alternative hypothesis that µ ≠ 531, Amy found a t-test statistic of 1.311.

Alternative hypothesis means that e have a two-tailed hypothesis test.

Sample 30 citizens. Amy found a t-test statistic of 1.311.What is the p-value of the test statistic?

Thus, we have a two-tailed test with 30 - 1 = 29 degrees of freedom and t = 1.311. So, using a t-distribution calculator, the p-value of the test is 0.2.

6 0
3 years ago
write the equation of a line in slope intercept form that contains the points ( - 5,2 ) and ( 1, - 4 )
Natalija [7]
Equation of a line is given by y - y1 = m(x - x1); where m = (y2 - y1)/(x2 - x1)

y - 2 = ((-4 - 2)/(1 - (-5))(x - (-5))
y - 2 = (-6/(1 + 5))(x + 5)
y - 2 = (-6/6)(x + 5)
y - 2 = -1(x + 5)
y - 2 = -x - 5
y = -x - 5 + 2
y = -x - 3
8 0
3 years ago
Which expression represents the series 1+5+25+125+625
solong [7]
So if you want to find the nth term so
1st term=1
2nd term=5
3rd term=25
we notice that 5^1=5 and 5^2=25 , but they are on the second ones so
the expression is

the nth term=5^(n-1)
so 1st term=5^(1-1)=5^0=1
2nd term=5^(2-1)=5^1=5
3rd term=5^(3-1)=5^2=25
and so on


the expression is 5^(n-1)
7 0
3 years ago
Read 2 more answers
Asap po please thank you po!
eduard

Answer:

1 is correct, 100.

2 is 500, not 470. since we're rounding to the nearest hundred, we would look at the tens place and if it's higher than 5 then round up.

3 is correct.

4 is correct.

5 is correct.

6 is correct.

7 is correct.

8 is 290, not 300. like i said before, but in this case we're rounding t the nearest ten instead of hundred. but the same rules apply.

9 is correct.

and 10 is correct!

i think that you did pretty well on most of these, but remember the rounding rule.

8 0
3 years ago
mayam bought potato chips to school she share 1/4 of her chips with friends and 1/8 of her chips with her teacher how many has s
nika2105 [10]

\huge\underline\mathtt\colorbox{cyan}{3/8}

\huge\mathsf\colorbox{white}{}

<h2>Step-by-step explanation :</h2>

Total shared part:

1/4 + 1/8

Taking LCM and adding:

2/8+1/8

Adding gives:

3/8

4 0
3 years ago
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