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zvonat [6]
3 years ago
13

26 less a number is equal to the product of 3 and the sum of the number and 2

Mathematics
1 answer:
Anastasy [175]3 years ago
3 0
-16 I can show you step by step if you want!
You might be interested in
I write out all the whole numbers, starting from 1. If I wrote 1994 digits altogether, what was the last complete number I wrote
Nataly_w [17]

Answer:

You wrote the numbers from 1 to 9: 9 digits.

You wrote the numbers from 10 to 99: 90*2 = 180 digits.

You have written 189 digits.

Then you wrote another 1994 - 189 = 1805

All the numbers from 100 to 999 have 3 digits

So you wrote 1805/3 = 601 2/3

This means 601 full numbers and 2 digits from the 602. number.

So 100 + 601 - 1 = 700 was the last number you wrote.

Do you agree?


3 0
3 years ago
University dean is interested in determining the proportion of students who receive some sort offinancial aid. rather than exami
vladimir2022 [97]
The confidence interval is
0.59\pm0.081

We first find p, our sample proportion.  118/200 = 0.59.

Next we find the z-score associated with this level of confidence:
Convert 98% to a decimal: 98% = 98/100 = 0.98
Subtract from 1:  1-0.98 = 0.02
Divide by 2:  0.02/2 = 0.01
Subtract from 1:  1-0.01 = 0.99

Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 2.33.

The margin of error (ME) is given by
ME=z\sqrt{\frac{p(1-p)}{n}}
\\
\\=2.33\sqrt{\frac{0.59(1-0.59)}{200}}=2.33\sqrt{\frac{0.2419}{200}}\approx0.081

This gives us the confidence interval 
0.59\pm0.081
8 0
3 years ago
What is 0.00837 written in scientific notation?
Angelina_Jolie [31]

Answer:

8.37 x 10^-3

(Scientific Notation)

 

8.37 x 10^-3

(use the caret symbol [^] to type or write)

8.37E-3

(Scientific E-notation)

0.00837

(Real Number)

Step-by-step explanation:

How to convert numbers or decimals to scientific notation?

In scientific notation all numbers are written in the form of m×10n (m times ten raised to the power of n), where the exponent n is an integer, and the coefficient m is any real number, called the significand or mantissa. If the number is negative then a minus sign precedes m (as in ordinary decimal notation).

7 0
3 years ago
Find the slope of the line passing through (3, 7) and (6, 11). Note: Use the y-y/x-x formula!
lana [24]

Answer:

Slope of the line       m = \frac{4}{3}

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given points are ( 3,7) and (6,11)

Slope of the line

        m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

       m = \frac{11-7}{6-3}      

        m = \frac{4}{3}

Slope of the line       m = \frac{4}{3}

6 0
2 years ago
14) A cookie recipe calls for 1 pound of butter. How many grams of butter would be needed for
aleksandr82 [10.1K]

Answer:

1360.8

Step-by-step explanation:

1 pound of butter, times three batches is 3 pounds of butter.

Since a pound is approximately 453.6 grams, 3x that would be

5 0
2 years ago
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