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Dovator [93]
3 years ago
9

Write eighteen hundredths as a decimal. P.S. dont put nothing stupid , just answer .

Mathematics
1 answer:
pishuonlain [190]3 years ago
4 0

Eighteen hundredths as a decimal is 0.18

<h3><u>Solution:</u></h3>

We have to find eighteen hundredths as a decimal

Eighteen hundredths means 18 over one hundred

We have to write 18 over one hundred as decimal

A decimal is a fraction written in a special form

Let us first write 18 over one hundred in fraction form

Eighteen hundredths = 18 over one hundred

\rightarrow \frac{18}{100}

Now divide 18 by 100 to get the decimal form

\rightarrow \frac{18}{100} = 0.18

Thus the eighteen hundredths as a decimal is 0.18

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A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard dev
stepan [7]

Answer:

a) M =82

Step-by-step explanation:

Let´s study this as a Normal distribution.

As we know in a normal distribution the z score is = (X-μ)/(sd/sqrt(n))

where

X = mean for the taken sample = What we want to know in this problem

μ = Total population mean =80

sd= standard deviation= 12

n = sample size=9

So in this case z=( X-80)/(12/sqr(9))= (X-80)/4

also we know that the effect size taken by the machine is 0.5, which is the same as the z-score

so...

0.5 = (X-80)/4 => 0.5*4 = X-80

2+80 = X

X = 82

4 0
3 years ago
Can u guys PLEASE answer this question ASAP. A line passes through the point (2,4) and has a gradient 2. Find the y-coordinate o
Veseljchak [2.6K]

y=2

Step-by-step explanation:

Make an equation of straight line by using the formula :y= mx+c

put the x-value of point (2,4) which is 2 and the gradient,m which is 2 into the straight line equation:

y=2x +c

So you need to find the y-intercept to complete the equation, therefore:

when y=0,

0=2(2)+c

c=-4

next the question ask to find the y-coordinate when x =3, therefore you just need to replace x in the equation with 3:

y=2(3)-4

y=4

7 0
3 years ago
An expression is shown below.<br> (3)(x<br> What is the product of the two factors?
Reika [66]

Answer:

3x

Step-by-step explanation:

3 . x is 3x

7 0
3 years ago
What binomial must be subtracted from 7t-5) so that the difference of the 2 polynomials is (5r+8)?
Dima020 [189]
1) Given binomials:

First binomial 7r - 5
Second binomial 5r + 8

2) To pass from 7r to 5r you have to subtract 2r, so the first term of the binomial to be subtracted is 2r

3) To pass form - 5 to + 8, you have fo subtract  - 13

4) So the answer is 2r - 13, option b.

5 0
3 years ago
O. Find the distance between P (10,-7) and Q (7,- 10). Leave your answer in radical<br> form.
mr Goodwill [35]

Answer:

\sqrt{18} or 3\sqrt{2} units.

Step-by-step explanation:

To find the <em>distance between two points</em>, we can use the Distance Formula.

Distance Formula: d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

<u />

<u>Given:</u>

P (10, -7) ⇒ x₁ = 10, y₁ = -7

Q (7, -10) ⇒ x₂ = 7, y₂ = -10

Substitute the given values into the formula and simplify.

\\\implies d=\sqrt{\bold{(7-10)}^2+\bold{(-10-(-7))}^2}\\\\\implies d=\sqrt{\bold{(-3)}^2+\bold{(-10+7)}^2}\\\\\implies d=\sqrt{9+\bold{(-3)}^2}\\\\\implies d=\sqrt{\bold{9+9}}\\\\\implies d=\sqrt{\bold{18}}\\\\\implies d=\sqrt{\bold{9}\times2}\\\\\implies d=3\sqrt{2}

The distance between points P and Q is \sqrt{18} or 3\sqrt{2} units.

Learn more here:

brainly.com/question/27991769

brainly.com/question/21095661

3 0
2 years ago
Read 2 more answers
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