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myrzilka [38]
3 years ago
11

If 20 is increased by 50%, what is the new amount?

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
6 0
Hello!

New value =

20 + Percentage increase =

20 + (50% × 20) =

20 + 50% × 20 =

(1 + 50%) × 20 =

(100% + 50%) × 20 =

150% × 20 =

150 ÷ 100 × 20 =

150 × 20 ÷ 100 =

3,000 ÷ 100 =

30;
<span>20 increased by 50% = <span>30 </span>
<span>Absolute change (actual difference): <span>30 </span>- 20 = 10


Hope this Helps! Have A Wonderful Day! :)</span></span>
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Answer:

a) No

b) No

c) P value is more than 0.05.  

Step-by-step explanation:

We are given the following in the question:

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P-value = 0.136

First, we design the null and the alternate hypothesis

H_{0}: \mu = 12\text{ ounces}\\H_A: \mu < 12\text{ ounces}

We use One-tailed z test to perform this hypothesis.

a) Alpha, α = 0.05

Since, p-value > α,

The null hypothesis should not be rejected. We accept the null hypothesis and reject the alternate hypothesis. We conclude that the average chip weight is 12 ounces per bag.

b) Alpha, α = 0.10

Since, p-value > α,

The null hypothesis should not be rejected. We accept the null hypothesis and reject the alternate hypothesis. We conclude that the average chip weight is 12 ounces per bag.

c) The evidence is statistically significant at the .05 level means that the p value is more than 0.05.

3 0
3 years ago
. Write an equation that is perpendicular to y=2x – 1 and has y-intercept of -3
blagie [28]

The answer is very simple .

First you need to determine the slope, which is the reciprocal of the first line.

Then,

y = mx + b

m => -1/m

The perperdicular line has a new slope equal to m = -1/2

In the formula (y - y1) = m ( x - x1 ) + b , you should sustitude this value.

So the final equation will be

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That is the solution

6 0
1 year ago
3.26 round to the nearest tenth
zaharov [31]
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4 years ago
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ser-zykov [4K]
The answer to the question

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3 years ago
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vovangra [49]

First, we must find the common denominator (12)            ✵

10/12-6/12            ✵                 ✵                              ✵                              ✵

Now, why 10?                                     ✵                   ✵                      ✵

Because we CAN'T just take the denominator and change it; we must change both the denominator AND the numerator:

✵                                      •          -                                      ○          

4/12                  ✧                             ✩                                  ✶            ✺         ✱  

We can simplify, or reduce, this fraction:                  ✱  ✱

1/3              ✩                              ✦                                        ✤

I hope it helps!

*VirtuosoTeen*

7 0
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