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Art [367]
3 years ago
6

Help and explain pls and ty

Mathematics
1 answer:
agasfer [191]3 years ago
8 0

\displaystyle\bf (3-5\sqrt{5} )-(5\sqrt{3} -3)=3+3-5\sqrt{5} -5\sqrt{3} =\boxed{6-5\sqrt{5} -5\sqrt{3} } \\\\\\\\\sqrt{5} (\sqrt{5} -2x)=\boxed{-2x\sqrt{5} +5}

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(8.6x107)-(9.1x10-8)simplify
natima [27]

Answer:

  85,999,999.999 999 909

Step-by-step explanation:

The expression represents the difference of a relatively large number and one that is relatively small. That difference is approximately the value of the large number. The exact value requires 17 digits for its proper expression. Most calculators and spreadsheets cannot display this many digits.

<h3>Standard form</h3>

The numbers in standard form are ...

  86,000,000 = 8.6×10^7

  0.000000091 = 9.1×10^-8

<h3>Difference</h3>

Their difference is ...

  86,000,000 -0.000000091 = 85,999,999.999 999 909

In scientific notation, this is ...

  8.599 999 999 999 990 9×10^7

4 0
2 years ago
Answer question 4 please?
Grace [21]

Answer:

8

Step-by-step explanation:

Sides AB and AC are equal

So,

3x - 5 = 7

+ 5 on both sides

3x = 12

divide both sides by 3

x = 4

Now take the 2x and plug in x for 4.

2(4) = 8

Final answer is 8.

6 0
3 years ago
when functions are used to model real-world situations, the domain and range of the function must be restricted, explain why res
marysya [2.9K]
The answer if c. 2-5=7
7 0
3 years ago
Read 2 more answers
The sum of three numbers is 8. The first number minus the second plus the third is 4. The first minus the third is 2 more than t
Natalija [7]
The numbers are 3+2+3=8 , the first number minus the second and the third is 4 then you get 3-2+3=4
So your overall anwser is 3+2+3=8
8 0
3 years ago
(0.04)
alexdok [17]

Answer:

17

Step-by-step explanation:

3x + 2y = 3(3) + 2(4) = 9 + 8 = 17

7 0
3 years ago
Read 2 more answers
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