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Reika [66]
3 years ago
7

How do you do distributive property because I have a test tomorrow and it's like half my grade and I wasn't in school when they

thought how to do it please
Mathematics
1 answer:
BaLLatris [955]3 years ago
4 0
Say you have the equation 5(5x+7)=155
First you multiply 5 by everything in the parenthesis so you get 25x+35=155 then subtract 35 from both sides and get 25x=120 then 120 divided by 25 equals 4.8 so x=4.8
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Where does the square root of 40 go on a 1-10 number line?​
kaheart [24]

Answer:

Step-by-step explanation:

36 < 40 < 49\\\\6 < \sqrt{40}  < 7\\

Here is the exact construction of √40 using Pythagorean 's theorem

8 0
2 years ago
What is the solution to question number 33?
Oksana_A [137]
If the width of the garden is w, then the maximum area available is a square, giving you w² as the dimensions. So:
w²=-w²+28w
2w²=28w
w=14
The perimeter is 14 x 4, or 56 feet
How many seed packets??? No idea
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7 0
3 years ago
HELP ME PLEASE I NEEEED IT<br><br> SOLVE FOR D
Softa [21]

Answer:

theres 2

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Make r the subject of the formula in 1 - E Rr​
Artemon [7]

Answer:

r= 1r- eR = r

Step-by-step explanation:

r-r = ER final answer to equal r= -ER

8 0
2 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}}&#10;\\&#10;\\=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
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