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3 years ago

The radius on a certain. Goodrich tire is 34 inches to the nearest inch how far will the tire have traveled In 3 revolutions

Mathematics

1 answer:

myrzilka [38]3 years ago

5 0

Answer:

640.968 inches

Step-by-step explanation:

Given data

Radius= 34in

The expression for the circumference is

C= 2πr

substutite

C= 2*3.142*34

C= 213.656

This means that in 1 revolution the tire will travel 213.656 in

Hence in 3 revolutions it will travel

=213.656*3

=640.968 inches

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I need help please and thank you

BartSMP [9]

Answer:

3.33×10⁴

Step-by-step explanation:

You can use the hint, or you can use a common exponent. Here is the latter case.

(3.9×10⁴) -(5.7×10³) = (3.9×10⁴) -(0.57×10⁴) = (3.9 -0.57)×10⁴

= 3.33×10⁴

_____

With a little practice, you can see the effect on exponents of moving the decimal point. Here, we have ...

5.7×10³ = (0.57×10)×10³ = 0.57×(10×10³) = 0.57×10⁴

When adding or subtracting in scientific notation, all that is required is that the exponents of all the numbers be the same. The hint says make all the exponents be 0. Above, we have chosen to make them all be 4. You could also use 3:

(3.9×10⁴) -(5.7×10³) = (39×10³) -(5.7×10³) = (39 -5.7)×10³

= 33.3×10³ = 3.33×10⁴

6 0

3 years ago

A simple random sample of 85 students is taken from a large university on the West Coast to estimate the proportion of students

ahrayia [7]

Answer:

95% confidence interval for p, the population proportion of students whose parents bought a car for them when they left for college

(0.4958 , 0.7041)

Step-by-step explanation:

Step(i):-

Given that the sample size 'n' = 85

The sample proportion

$p = \frac{x}{n} = \frac{51}{85} = 0.6$

95% confidence interval for p, the population proportion of students whose parents bought a car for them when they left for college

$(p^{-} -Z_{0.05} \sqrt{\frac{p(1-p)}{n} } , p^{-} +Z_{0.05} \sqrt{\frac{p(1-p)}{n} })$

Step(ii):-

Given that the level of significance

α = 0.05

Z₀.₀₅ = 1.96

$(0.6 -1.96 \sqrt{\frac{06(1-06)}{85} } , 0.6 +1.96 \sqrt{\frac{0.6(1-0.6)}{85} })$

(0.6 - 0.104138 , 0.6 +0.104138)

(0.4958 , 0.7041)

Final answer:-

95% confidence interval for p, the population proportion of students whose parents bought a car for them when they left for college

(0.4958 , 0.7041)

6 0

3 years ago

1.) Find the distance between the points at (2, 3) and (-4,6)

Elza [17]

Answer:

6.7082

Step-by-step explanation:

Distance Formula=√(x2−x1)^2+(y2−y1)^2

√(-4-2)^2+(6-3)^2

-4 - 2= -6 squared is -36

6-3= 3 squared is 9

add 36 and 9 which = 45

√45 = 6.7082

7 0

3 years ago

In deenas class, 3/12 of the students voted for cats as their favorite pet, and 5/12 voted for dogs. What fraction of the class

Semenov [28]

Answer:

8/12 or 2/3

Step-by-step explanation:

5/12+3/12=8/12

8/12 simplifies to 2/3

8 0

3 years ago

What is the reciprocal of (16z)/(12y)?

AlexFokin [52]

Answer:

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Step-by-step explanation:

<h2>PLEASE MARK ME BRAINLIEST AND FOLLOW ME LOTS OF LOVE FROM MY HEART'AND SOUL DARLING TEJASWINI SINHA HERE ❤️</h2>

8 0

3 years ago