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Vera_Pavlovna [14]
3 years ago
6

35=7x Equals What? Like this is os hard for me

Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

35 = 7x

Divide each side by 7

35/7 = 7x/7

5 = x

nadya68 [22]3 years ago
6 0
So if 35= 7x we can figure out the x by diving 7 from the x on both sides which leaves us with 5 =x
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The sum of two even consecutive integers is 114. What is the smallest integer?
Ainat [17]

Answer:

56

Step-by-step explanation:

The sum of two <em>even</em> consecutive integers is 114.

Let's let the first even integer be 2n, where n is <em>some</em> integer: it doesn't matter what n is, but if we multiply n by 2, we are certainly getting an even number. This is because any integer multiplied by 2 is even.

So, this means that the second number is 2n+2.

Their sum is 114. In other words:

(2n)+(2n+2)=114

Solve for n.

Combine like terms:

4n+2=114

Subtract 2 from both sides:

4n=112

Divide both sides by 4:

n=28

So, n is 28.

This means that the first number is 28(2) or 56.

And the second number is 58.

So, the smallest integer is 56.

And we're done!

8 0
4 years ago
Which image is graphed
BaLLatris [955]
The 1st one
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4 0
4 years ago
A researcher is interested in finding a 90% confidence interval for the mean number of times per
valkas [14]

Answer:

<em>90% confidence the Population mean number of texts per day</em>

(42.2561 ,47.1439)

Step-by-step explanation:

<u><em>Step(i):-</em></u>  

Given sample size 'n' = 147

mean of the sample size x⁻ = 44.7

standard deviation of the sample 'S' = 17.9

<em>90% confidence the Population mean number of texts per day</em>

(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } ,(x^{-} + t_{\alpha } \frac{S}{\sqrt{n} })

<u><em>Step(ii):-</em></u>

<em>Degrees of freedom </em>

<em>        ν=n-1=147-1=146</em>

<em>t₀.₁₀ =  1.6554</em>

(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } ,(x^{-} + t_{\alpha } \frac{S}{\sqrt{n} })

(44.7 - 1.6554 \frac{17.9}{\sqrt{147} } ,(44.7 + 1.6554 \frac{17.9}{\sqrt{147} })

(44.7 - 2.4439 ,44.7 + 2.4439 )

(42.2561 ,47.1439)

<em><u>Conclusion:</u></em>-

<em>90% confidence the Population mean number of texts per day</em>

(42.2561 ,47.1439)

6 0
4 years ago
1. Jessica wrote the number 8.06 x 10-3 in
Levart [38]
C. 0.0806 that’s the write answer to your equation I think
5 0
3 years ago
Below are two parallel lines with a third line intersecting them. <br><br> x= ??°
rodikova [14]

Answer:

x = 53

Step-by-step explanation:

x = 53 because they are alternate exterior angles

6 0
3 years ago
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