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djverab [1.8K]
3 years ago
12

How many integers from 1 to 1 million dont have common factors with 2020

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0
The answer is no 2 million add to 300 million or three variables from close
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In each of the following problems, type the price per unit per oz in blanks a. and b, then pick the best buy.
Kaylis [27]

Answer:

B the 2 lb bread for 1.75

Step-by-step explanation:

The dollar per ounce for bread is $0.058 .

The dollar per ounce of bread is $0.055 .

b is the  best buy .

Step-by-step explanation:

First part

As given

Bread, 1 lb. loaf for 96¢ would .

As

1 dollar = 100 cent

Now convert 96¢ into dollars .

                     = $0.96

As 1 pound = 16 ounce

Thus

Bread 16 ounce loaf for $0.96 .

Therefore the dollar per ounce for bread is $0.058 .

Second part

Bread, 2 lb. loaf for $1.75

As  1 pound = 16 ounce

2 pound = 2 × 16 ounce

             = 32 ounce

Dollar per ounce = $ 0.055

Therefore dollar per ounce of bread is $0.055 .

Third part

As dollar per ounce for Bread, 2 lb. loaf for $1.75 is less as compared to Bread 1 lb. loaf for 96¢  .

Therefore b is the  best buy .

3 0
3 years ago
A thunderstorm cloud holds about 6,200,000,000 raindrops. Which of the following shows this number in scientific notation? Answe
maksim [4K]

Answer:

the answer is G

which is 6.2*10 to the 9th power.

Step-by-step explanation:

In scientific notation you must leave one digit to the place value of ones

so that one digit is 6

So ue come up with 6.2 when ue eliminate all other zeros and end the decimal point between 6 and 2 and that way you have 6.2*10 to the 9th power

6 0
3 years ago
Read 2 more answers
Help me yall :)))) please
xenn [34]

Answer:

C

Step-by-step explanation:

I looked it up

3 0
3 years ago
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A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at th
OlgaM077 [116]

Answer:

Interval [16.34 , 21.43]

Step-by-step explanation:

First step. <u>Calculate the mean</u>

\bar X=\frac{(23+18+23+12+13+23)}{6}=18.666

Second step. <u>Calculate the standard deviation</u>

\sigma =\sqrt{\frac{(23-18.666)^2+(18-18.666)^2+(23-18.666)^2+(12-18.666)^2+(13-18.666)^2+(23-18.666)^2}{6}}

\sigma=\sqrt\frac{18.783+0.443+18.783+44.435+5.666+18.783}{6}

\sigma=\sqrt{17.815}=4.22

As the number of data is less than 30, we must use the t-table to find the interval of confidence.

We have 6 observations, our level of confidence DF is then 6-1=5 and we want our area A to be 80% (0.08).  

We must then choose t = 1.476 (see attachment)

Now, we use the formula that gives us the end points of the required interval

\bar X \pm t\frac{\sigma}{\sqrt n}

where n is the number of observations.

The extremes of the interval are then, rounded to the nearest hundreth, 16.34 and 21.43

6 0
3 years ago
F(h) = -2(h - 4)2 + 22.​
Ivenika [448]
Here’s what I found that can help you step by step

5 0
3 years ago
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