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Anestetic [448]
3 years ago
10

What is the solution to the given equation? X^2+3x+7=0

Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0

Answer:

-19

well i think it the answer

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Which line is perpendicular to AB line 1 line 2 line 3 line 4
marshall27 [118]
Line 1 is perpendicular
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If m RDC = 120°, then m DAC=?
monitta
The correct answer to this question is 240

From the image i've seen, the RDC has an angle of 120. So the major arc DC (that passes A and B) has an angle of 240.

So this makes that the measure of the angle of DAC is 240 because of the angle formed by RDC which is 120.
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3 years ago
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Jessica's is making $300 less than four times what she was making when she started working. Let s represent her
vichka [17]

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4s-300= Jessica's current salary

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Do consumers spend more on a trip to Store A or Store​ B? Suppose researchers interested in this question collected a systematic
FinnZ [79.3K]

Answer:

We can be 95% confident that consumers spend between $4.04 and $15.96 less at Store A than the consumers spend at Store B.

Step-by-step explanation:

Confidence Intervals give an estimate as range of values for a statistic concerned at a <em>confidence level</em>.

In this case the statistic is the mean difference between Store A and Store B purchase amounts and the confidence level is 95%.

Confidence Interval can be calculated using M±ME where

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4 0
3 years ago
Make s, u subject of the formula<br><img src="https://tex.z-dn.net/?f=v%5E%7B2%7D%20%3D%20u%20%7B%7D%5E%7B2%7D%20%2B%202as" id="
Romashka [77]

Answer:

s = \frac{v^2-u^2}{2a}

Step-by-step explanation:

Given

v² = u² + 2as ( subtract u² from both sides )

v² - u² = 2as ( divide both sides by 2a )

\frac{v^2-u^2}{2a} = s

Given

v² = u² + 2as ( subtract 2as from both sides )

v² - 2as = u² ( take the square root of both sides )

± \sqrt{v^2-2as} = u

6 0
4 years ago
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