All categories

3 years ago

(5)1:(9)2:(2)3:(4)2:(7)1

Mathematics

1 answer:

natulia [17]3 years ago

6 0

Answer:

5(1) -> 5

(9)2 -> 18

(2)3 -> 6

(4)2 -> 8

(7)1 -> 7

You might be interested in

Marta told Maribel “The sum of fifty and half the number of oranges is the same as one-hundred-twenty.” Maribel wrote 50 (one-ha

IRINA_888 [86]

Answer:

Her error was that the half should have been multiplied by m, instead

$50 + \frac{1}{2}m = 120$

Step-by-step explanation:

Given

$Base\ Amount = 50$

$Rate = 0.05$

$Days = n$

So, we have:

$Base\ Amount + Rate * days = 120$

$50 + \frac{1}{2}m = 120$

Hence, the error in her workings is that she should have pre-inform her before God and man.

7 0

3 years ago

Read 2 more answers

On a standard IQ test, the standard deviation is 15. How many random IQ scores must be obtained if we want to find the true popu

igor_vitrenko [27]

Answer:

We need at least 4238 scores.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.97}{2} = 0.015$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.015 = 0.985$ , so $z = 2.17$

Now, find the margin of error M

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

How many random IQ scores must be obtained if we want to find the true population mean (with an allowable error of 0.5) and we want 97 percent confidence in the results

We need at least n scores, in which N is found when $M = 0.5$ . So

$M = z*\frac{\sigma}{\sqrt{n}}$

$0.5 = 2.17*\frac{15}{\sqrt{n}}$

$0.5\sqrt{n} = 2.17*15$

$0.5\sqrt{n} = 32.55$

$\sqrt{n} = \frac{32.55}{0.5}$

$\sqrt{n} = 65.1$

$\sqrt{n}^{2} = (65.1)^{2}$

$n = 4238$

We need at least 4238 scores.

7 0

4 years ago

Compare 9 ⋅ 104 to 3 ⋅ 102.

RoseWind [281]

9×10⁴ is 300 times greater than 3×10²
as, (9×10⁴)/(3×10²)=3× 10²
and the proper of writting powers in computer form is a×10^b

7 0

3 years ago

Read 2 more answers

Select the correct answer.

svetoff [14.1K]

In the construction of the equilateral triangle EFG inscribed in a circle, Chase can find points F and G as D. Points F and G are points of intersection of two congruent circles centered at D and E.

<h3>What is an equilateral triangle?</h3>

It should be noted that an equilateral triangle simply means a triangle that has all the sides and angles to be equal.

After drawing the diameter of the circle through the center, it's important to open the compass to a width that's equivalent to the radius the circle.

In this case, it can be deduced that Points F and G are points of intersection of two congruent circles centered at D and E.

Learn more about triangles on:

brainly.com/question/17335144

6 0

2 years ago

Twenty years ago, James made a deposit of $13,000.00 into an account. After twenty years, the account had earned $10,400.00 in i

Ad libitum [116K]

$23,400,000 would be the answer

3 0

4 years ago