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Lubov Fominskaja [6]
2 years ago
15

Approximate √80 by using perfect squares. 80 is between which two perfect squares.​

Mathematics
1 answer:
Zarrin [17]2 years ago
5 0

Answer:

8.94

Step-by-step explanation:

√ 80 is between perfect squares √64 and √81

or between 8 abd 9.

the approximate value is 8 + (80-64)/(81-64) =

8 + 16/17 = 8 + 0.94 = 8.94

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PLEASE HELP!<br><br> Reduce to simplest form.<br> 5/8 - (- 7/2)
Daniel [21]

Answer:

\huge\boxed{\sf 4\frac{1}{8} }

Step-by-step explanation:

\sf =\frac{5}{8} - (-\frac{7}{2} )\\\\Rule : ( - *- = +)\\\\\=\frac{5}{8} +\frac{7}{2} \\\\LCM = 8\\\\\=\frac{5+28}{8} \\\\\=\frac{33}{8} \\\\=4\frac{1}{8}

\sf =\frac{5}{8}+ \frac{7}{2}  \\\\=\frac{5+28}{8}

\sf =\frac{33}{8} \\\\=4\frac{1}{8}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
7 0
3 years ago
The cost of a pound of nails increased from ​$2.17 to ​$2.52. What is the percent of increase to the nearest​ whole-number perce
Cloud [144]

Answer:

16%  is the percent of increase to the nearest​ whole-number percent.

Step-by-step explanation:

As the cost of a pound of nails increased from ​$2.17 to ​$2.52.

  • $2.52 - $2.17 = $0.35

so dividing the 0.35 by 2.17 would give us the percetange of increase

  • 0.35/2.17 = 0.16 which is 16%.

Therefore, 16%  is the percent of increase to the nearest​ whole-number percent.

7 0
3 years ago
write the 2 digit numbers that matches the clues my number has tens digit that 8 more that one's digit. zero is not one my digit
Natalka [10]
The answer is 91 because the tens place has to be 8 more so in the 80's, 8 would be 8 more than 0 and 0 is not one of the digits and it's a 2 digit number so it can't go to the 100's so 91 is the best answer. I hope this helped you
7 0
3 years ago
Gavin and his three friends want to share 1/3of cake equally. Gavin says that each friend will get 1/9 of the cake. Use the drop
Alexxandr [17]

Answer: Incorrect

Step-by-step explanation:

Given

Gavin and his three friends wants to share \frac{1}{3} of cake equally.

So, there are 4 members to distribute the cake

Each member will get

\Rightarrow \dfrac{\dfrac{1}{3}}{4}\\\\\Rightarrow \dfrac{1}{3\times 4}=\dfrac{1}{12}

So, each member get one-twelvefth of the given cake.

Hence, Gavin is  incorrect.

6 0
3 years ago
Read 2 more answers
Write an equation in point-slope form of the line through the point (−1, 2) and with slope m = 2.
Katen [24]

Answer:

D. y - 2 = 2(x + 1)

Step-by-step explanation:

<h3>y - y₁ = m (x - x₁)</h3>

y - 2 = 2 (x - (-1))

y - 2 = 2 (x + 1)

<h3>#CMIIW</h3>
3 0
2 years ago
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