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3 years ago

Which is more 1 yard or 67 inches

Mathematics

2 answers:

Temka [501]3 years ago

7 0

Answer:

67 Inches

Step-by-step explanation:

There are 3 feet in a yard and 12*3 is 36 inches in a yard therefor 67 inches is larger

madam [21]3 years ago

6 0

67 inches would be your answer.

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We measure the diameters for a random sample of 25 oak trees in a neighbourhood. Diameters of oak trees in the neighbourhood fol

jarptica [38.1K]

Answer:

The required confidence inteval = 94.9%.

Step-by-step explanation:

Confidence interval: Mean ± Margin of error

Given: A confidence interval for the true mean diameter of all oak trees in the neighbourhood is calculated to be (36.191, 42.969).

i.e. Mean + Margin of error = 42.969 (i)

Mean - Margin of error = 36.191 (ii)

Adding (i) and (ii), we get

$2Mean =79.16\\\\\Rightarrow\ Mean= 39.58$

Margin of error = 42.969-39.58 [from (i)]

= 3.389

Margin of error = $t^* \dfrac{\sigma}{\sqrt{n}}$

here n= 25 $, \ \sigma=8.25$

i.e.

$3.389=t^*\dfrac{8.25}{5}\\\\\Rightarrow\ t^* = \dfrac{3.389}{1.65}\\\\\Rightarrow\ t^* =2.0539 \$

Using excel function 1-TDIST.2T(2.054,24)

The required confidence inteval = 94.9%.

7 0

3 years ago

Given that x= -3, what is the value of 2×² - x + 5?

Roman55 [17]

Answer:

Step-by-step explanation:

2(9)-(-3)+5

2(9)+3+5

18+8

3 0

3 years ago

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The number x is reduced by 25% and then halved

Maksim231197 [3]

Since it says the number x , this means x represents a number , reduced by 25 means that this is most likely half of 25 so whats half of 25%?

well 5 * 5 = 25 , so here is your answer = 5

8 0

3 years ago

F (x) = -4x + 4 f(2)=

sp2606 [1]

Substitute x = 2 as we get

f(2) = -4(2)+4 = -8+4 = -4

Therefore, f(2) = -4

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3 years ago

Yo i need help with 1,000,000 + - 3,000,000

Arada [10]

Answer: -2,000,000

Step-by-step explanation:

Think of it as -3,000,000 + 1,000,000

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3 years ago

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