2 years ago

3. Tom's entered a snowman building contest in which the person who builds the tallest

Mathematics

2 answers:

kirill115 [55]2 years ago

5 0

tom's snowman has to increase by anything greater than 4.4 ft

nasty-shy [4]2 years ago

5 0

Answer:

4.5 feet

Step-by-step explanation:

9+4.5=13.5

13.5>13.4

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2x^3 + x^2 – 7x – 6 divided by 2x +3

nevsk [136]

Answer:

x^2 -x -2

Step-by-step explanation:

Use polynomial long division.

0 + x^2 -x -2

___________________________________

(2x+3) | 2x^3 +x^2 -7x -6

-2x^3 -3x^2

_________

-2x^2 -7x

+2x^2 +3x

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-4x -6

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6 0

3 years ago

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

Degree of freedom = n - 1 = 15

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.

3 0

3 years ago

Read 2 more answers

Aurora has been babysitting for 30 minutes, which is 20% of the total time she must babysit. What is the total amount of time in

atroni [7]

150 minutes i believe

3 0

3 years ago

A cone has a volume of 60pie cubic feet. If the radius is 2 feet what is the height of the cone

CaHeK987 [17]

Answer:h=60×2

=120

Step-by-step explanation:

3 0

3 years ago

Determine the area and perimeter of a rectangle that is 13 centimeters wide and 25 centimeters long

Greeley [361]

Answer:

A=325

P=76

Hope this helps.

8 0

3 years ago