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enot [183]
2 years ago
9

Who ever answers first gets brainliest

Mathematics
2 answers:
ludmilkaskok [199]2 years ago
8 0

Answer:

A

Step-by-step explanation:

Dmitry_Shevchenko [17]2 years ago
3 0

Answer:

I answered :)

Step-by-step explanation:

DONT GET MAD, YOU SAID WHOEVER ANSWER FIRST GETS BRAINLIEST

Answer is A

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Can anyone help me with this question ?
TEA [102]

Answer:

addition

Step-by-step explanation:

18 (<u> d </u> - 9 ) = 198

     3

divide both side by 18

<u> d </u> - 9 = <u> 198 </u>  

3             18

<u> d </u> - 9 = 11

3

multiply both sides by 3

d - 27 = 33

add 27 to both sides

d = 33 + 27

lastly, add them together

d = 60

therefore, the last step is addition

8 0
2 years ago
A rectangular poster is to contain 722 square inches of print. the margins at the top and bottom of the poster are to be 2 inche
Delvig [45]
Let
x ----------> the height of the whole poster
<span>y ----------> the </span>width<span> of the whole poster
</span>
We need to minimize the area A=x*y

we know that
(x-4)*(y-2)=722
(y-2)=722/(x-4)
(y)=[722/(x-4)]+2

so
A(x)=x*y--------->A(x)=x*{[722/(x-4)]+2}
Need to minimize this function over x > 4

find the derivative------> A1 (x)
A1(x)=2*[8x²-8x-1428]/[(x-4)²]

for A1(x)=0
8x²-8x-1428=0
using a graph tool
gives x=13.87 in

(y)=[722/(x-4)]+2

y=[2x+714]/[x-4]-----> y=[2*13.87+714]/[13.87-4]-----> y=75.15 in

the answer is
<span>the dimensions of the poster will be
</span>the height of the whole poster is 13.87 in
the width of the whole poster is 75.15 in

6 0
3 years ago
Which values are solutions to the inequality below? <br><br>Check all that apply.
matrenka [14]
You have this....

√x > 8

This means that the square root of something is greater than 8.

So plug in everything for x and find the answer.

Anything 64 and below is NOT THE ANSWER.

√64 = 8, and 8 is not greater than 8, so anything 64 and below is wrong.

So the answer is...

D and F.




4 0
3 years ago
Each situation described bellow requires inference about a mean or means. Identify each as involving (1) a single sample, (2) ma
motikmotik

Answer:

1) matched samples

2) single sample

3) independent samples

Step-by-step explanation:

1) couples were taken and their behaviors matched

2) only one sample was used

3) two different samples were used and their average compared.

8 0
3 years ago
|x|+5=18 a. 5 or -5 b.13 or -13 c.18 or -18 d.23 -23
dezoksy [38]
X+5=18
first get rid of the 5
so X+5-5=18-5
which makes X=13
if any questions please ask
b. 13
6 0
3 years ago
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