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lukranit [14]
3 years ago
6

Why is math important in every day life?

Mathematics
2 answers:
vlabodo [156]3 years ago
6 0

Answer:

Math helps us have better problem-solving skills. Math helps us think analytically and have better reasoning abilities. Analytical thinking refers to the ability to think critically about the world around us. ... Analytical and reasoning skills are important because they help us solve problems and look for solutions.

Step-by-step explanation:

Nesterboy [21]3 years ago
3 0

Answer:

?

Step-by-step explanation:

Math is important in everyday life because math helps us with better problem-solving skills. It helps you think analytically and have better reasoning abilities

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According to the website www.collegedrinkingprevention.gov, "About 25 percent of college students report academic consequences o
astraxan [27]

Answer:

The required confidence interval is (3.068,4.732)

Step-by-step explanation:

Consider the provided information.

He plans to use a 90% confidence interval. He surveys a random sample of 50 students. The sample mean is 3.90 alcoholic drinks per week. The sample standard deviation is 3.51 drinks and wants to construct 90% confidence interval.

Thus, n=50, \bar x=3.90 σ=3.51

Now find degree of freedom.

df=n-1\\df=50-1=49

The confidence level is 90% and df=49

Therefore,

\frac{\alpha}{2} =\frac{1-0.90}{2}

\frac{\alpha}{2} =0.05

Now by using t distribution table look at 49 df and  alpha level on 0.05.

t_{\frac{\alpha}{2}} = 1.67653

Calculate SE as shown:

SE=\frac{\sigma}{\sqrt{50} }

SE=\frac{3.51}{\sqrt{50}}=0.4964

Now multiply 1.67653 with 0.4964

Therefore, the marginal error is: 1.67653 × 0.4964≈ 0.832

Now add and subtract this value in given mean to find the confidence interval.

\bar x-E

Hence, the required confidence interval is (3.068,4.732)

4 0
3 years ago
What are the zeros of the function?
cluponka [151]

The function is:

f ( x ) = x² - x - 72

This is a quatdratic function. So we can find the zeroes of the function with the formula:

x 1/2 = ( - b +/- √(b² - 4 ac) ) / ( 2a )

And we have: a = 1, b = - 1 and c = - 72

x 1/2 = ( 1 +/- √((-1)² - 4 · 1· ( - 72 )) ) / 2

x 1/2 = ( 1 +/- √( 1 + 288 ) ) / 2

x 1/2 = ( 1 +/- √289 ) / 2

x 1/2 = ( 1 +/- 17 ) / 2

x 1 = ( 1 - 17 ) 2 = - 16 / 2 = - 8

x 2 = ( 1 + 17 ) / 2 = 18 / 2 = 9

Answer: The zeroes are - 8 and 9.

7 0
3 years ago
Please help me on this geometry i’ll mark u the brainliest
kicyunya [14]

Answer:

<h2>               XN = 6</h2>

Step-by-step explanation:

If XY is bisector of angle AXN then:   \dfrac{YN}{AY}=\dfrac{XN}{AX}

\dfrac4{12}=\dfrac{XN}{18}\\\\XN=\dfrac4{12}\cdot18\\\\XN=6                                                            

5 0
3 years ago
How many triangles can be constructed with three angies, each measuring 63
andre [41]

Answer:

Three angles all equal is one equal triangle I pretty sure of this

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A restaurant has 15 1/5 pounds of ground beef to make meat loaves. Each meat loaf requires 2 2/8 pounds of ground beef. How many
frosja888 [35]

Answer:

First make mixed

15 x 5 = 75+1=76

76/5

2x8=16+2=18

18/8

Divide

76/5 / 18/8

Use the reciprocal and multiply

76/5 x 8/18

76x8=608

5x18=90

608/90

Simplify

608/2=304

90/2=45

304/45

6 and 34/45 meat loaves

Hope this helps

Step-by-step explanation:

4 0
2 years ago
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