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Maru [420]
3 years ago
12

Solving 2 step equation 3t-1=8

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0
<span>3t-1=8

t=3

And the answer is t=3.

Hopes it helps 

-Charlie 

Have a great day
</span>
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The correlation coefficient r between an employee’s age, x, and yearly salary, y, is 0.633. What percent of the variation in yea
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Prove that DJKL~ DJMN using SAS Similarity Theorem. Plot the points J (1,1), K(2,3), L(4,1) and J (1,1), M(3,5), N(7,1). Draw DJ
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Answer and Step-by-step explanation: The triangles are plotted and shown in the attachment.

SAS Similarity Theorem is by definition: if two sides in one triangle are proportional to two sides of another triangle and the angles formed by those sides in each triangle is congruent, the triangles are similar.

For the triangles on the grid, we know that ΔJKL and ΔJMN have a congruent angle in J as shown in the image. To prove they are similar, we find the slope of sides KL and MN:

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slope = \frac{y_{K} - y_{L}  }{x_{K} - x_{L} }

slope = \frac{3-1}{2-4}

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slope = \frac{y_{N} - y_{M}  }{x_{N} - x_{M} }

slope = \frac{1-5}{7-3}

slope = -1

Since the slopes of KL and MN are the <u>same</u> and the angle is <u>congruent</u>, we can conclude that ΔJKL~ΔJMN.

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Percent of 51,300-45,800
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A null hypothesis is a hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling error.

Here, the effect of a one-day SAT prep class at a 5% level of significance was assessed.  Since the value of 0.028 is less than 0.05 so we reject the null hypothesis at 5% level of significance and conclude that the mean of the difference in SAT writing scores for all students who take SAT prep class is equal to 0.

Learn more about hypothesis on:

brainly.com/question/11555274

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