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3 years ago

Put these numbers from smallest to largest. 0.7, 0.919, 0.732, 0.68

Mathematics

1 answer:

disa [49]3 years ago

5 0

Answer:

0.919,0.732,0.68,0.7 EASY

Step-by-step explanation:

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1.find the length of the side indicated. And round to 1 decimal place

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Answer:

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2 years ago

The 28th term of an ap is -5,find the common difference if the first term is 31

klemol [59]

Answer:

The common difference is -4/3.

Step-by-step explanation:

Recall that the direct formula for an arithmetic sequence is given by:

$\displaystyle x_n=a+d(n-1)$

Where n is the nth term, a is the initial term, and d is the common difference.

We are given that the first term a is 31.

We also know that the 28th term is -5. Hence, x₂₈ = -5. Substitute:

$\displaystyle x_{28}=-5=(31)+d(28-1)$

Solve for d. Simplify:

$-5=31+27d$

Thus:

$\displaystyle 27d=-36$

Divide both sides by 27. Hence, the common difference is:

$\displaystyle d=-\frac{36}{27}=-\frac{4}{3}$

7 0

2 years ago

Read 2 more answers

A total of 500 voters are randomly selected in a certain precinct and asked whether they plan to vote for the Democratic incumbe

lilavasa [31]

Answer:

The limits are 0.6472 and 0.7528

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

Of the 500 surveyed, 350 said they would vote for the Democratic incumbent.

This means that $n = 500, \pi = \frac{350}{500} = 0.7$

99% confidence level

So $\alpha = 0.01$ , z is the value of Z that has a pvalue of $1 - \frac{0.01}{2} = 0.995$ , so $Z = 2.575$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.7 - 2.575\sqrt{\frac{0.7*0.3}{500}} = 0.6472$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.7 + 2.575\sqrt{\frac{0.7*0.3}{500}} = 0.7528$

The limits are 0.6472 and 0.7528

6 0

3 years ago

Find the circumference of the circle 5cm

GarryVolchara [31]

If the diameter is 5 then ugly just do 5xpie to get circumference if radius is 5 multiply it by two then times by pie

4 0

1 year ago

What is the formula of the kite above?

solmaris [256]

Answer:

Option D

Step-by-step explanation:

The area of a kite is expressed as $\frac{1}{2} \times \text{(Product of it's diagonals)}$ .

We are given the following:

Diagonal₁ = D1
Diagonal₂ = D2

Substitute the diagonals in the formula and simplify;

$\implies \text{Area of kite} =\dfrac{1}{2} \times \text{(D1} \times \text{D2} )}$

$\implies \text{Area of kite} =\dfrac{1}{2} \text{(D1} \times \text{D2} )} \ \ \ [\text{Option D}]$

Thus, Option D is correct.

Learn more about kites: brainly.com/question/2292872

7 0

2 years ago