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Fynjy0 [20]
3 years ago
10

What is the square root of 49

Mathematics
2 answers:
stepan [7]3 years ago
3 0
The square root of 49 is 7.
QveST [7]3 years ago
3 0
7 because you have to divide it 
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Solve 5c − c + 10 = 34
PtichkaEL [24]
Let's solve your equation step-by-step.

<span><span><span><span>5c</span>−c</span>+10</span>=34

</span>Step 1: Simplify both sides of the equation.

<span><span><span><span>5c</span>−c</span>+10</span>=34

</span><span>Simplify: (Show steps)

</span><span><span><span>4c</span>+10</span>=34

</span>Step 2: Subtract 10 from both sides.

<span><span><span><span>4c</span>+10</span>−10</span>=<span>34−10

</span></span><span><span>4c</span>=24

</span>Step 3: Divide both sides by 4.

<span><span><span>4c/</span>4</span>=<span>24/4

</span></span><span>c=6

</span>Answer:

<span>c=<span>6</span></span>
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A survey of 100 students was taken concerning their knowledge of foreign languages. The results were as follows: 30 know French1
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35 students would not know any of the three languages, because if 30 know French, 19 knew German, and 16 knew Russian, that must mean that 65 students know at least one of the three languages. So you subtract 65 from 100 and end up with 35
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In a metal fabrication​ process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are n
Leto [7]

Answer:

95% Confidence interval: (14.4537 ,15.1463)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 15 feet

Sample mean, \bar{x} = 14.8 feet

Sample size, n = 16

Alpha, α = 0.05

Sample standard deviation, σ = 0.65 feet

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95% Confidence interval:

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 15 and}~\alpha_{0.05} = \pm 2.1314  

14.8 \pm 2.1314(\dfrac{0.65}{\sqrt{16}} ) \\\\= 14.8 \pm 0.3463 = (14.4537 ,15.1463)  

is the required confidence interval for the true mean length of rods.

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Can someone help me with this it’s urgent what’s the answer or property of this problem C?
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