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Dvinal [7]
3 years ago
9

What polynomial identity will prove that 49-4=45

Mathematics
1 answer:
Svetach [21]3 years ago
3 0
49 is a square given by 7x7 as is clear in your equation, 4 is a square given by 4x4 the operator given is - ( minus) you have two squares, and a difference sign a^2 - b^2 = (a-b)(a+b) 7^2 -2^2 = (7-2)(7+2) = (5)(9) = 45 it is the diffeernce of two squares
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Help me answer this question
Ne4ueva [31]

Answer:

Volume=24+192=216

Step-by-step explanation:

Pink Rectangle:

LxWxH

3x1x8

3x8

24

24+192=216

Hope this helps!

5 0
2 years ago
Which of the following points is a solution to the system of linear inequalities?
IrinaK [193]

Answer:

C. (5, 3)

Step-by-step explanation:

this point is within the answer area... look below at the graph of both linear inequalities

7 0
3 years ago
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How do I do this I need help I don’t wanna fail this quarter!!!!
Oksi-84 [34.3K]

Answer:

SSA

Step-by-step explanation:

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8 0
2 years ago
A polling organization announces that the proportion of American voters who favor congressional term limits is 64%, with a 95% c
EastWind [94]

Answer:

Hence when C.I. is 80% then Margin of error will be 1.9591%

Step-by-step explanation:

Given:

1st Margin of error(MOE)=3%

1st C.I.=95%

2nd C.I.=80%

To Find:

MOE at 80%

Solution:

The proportion is 64 % i.e. is constant for both MOE

Proportion is given by (P),

P=x/n

Where x= favors congressional terms

n= total voters or sampled voters.

There values are same or constant.

i.e standard deviation is also constant

Now Formula for MOE is given by

MOE=Z*[Standard devation/Sqrt(n)]

here Z is value for confidence interval

MOE is directly proportional to the Z-value

So

MOE=K*Z-value         ... where k is proportionality constant.

MOE/Z-value              ....ratio is constant

So , for 95 % Z=1.96 and for 80% Z=1.28

MOE(1st)/(Z-value 1st)=MOE(2nd)/(Z-value 2nd)

3/1.96=MOE(2nd)/1.28

MOE(2nd)=(3/1.96)*1.28

MOE(2nd)=1.5306*1.28

=1.9591 %

5 0
3 years ago
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garik1379 [7]

Answer:

1 is 109

if you have a calculator just type in in exactly how it is on paper

8 0
2 years ago
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