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umka21 [38]
3 years ago
15

8 to the power of 2 + 7

Mathematics
2 answers:
kykrilka [37]3 years ago
6 0
(8^2) + 7 = 71
Because we start with parenthesis remember PEMDAS Parenthesis Exponents Multiplied Divided Addition Subtract.  
So 8 To the power of 2 is 64 so 64 plus 7 Is 71. 
I hope i had helped.


mash [69]3 years ago
4 0
(8^2) + 7 = 71
hope this helps
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2 years ago
When 5655 is divided by a positive two digit intreger "N" the remainder is 11, when 5879 is divided by the same intreger N the r
Temka [501]

Answer:

8

Step-by-step explanation:

Hi,

When we divide 5655 by N, we get remainder of 11, which means that 5655-11 is a multiple of N.

5655 - 11 = 5644 is a multiple of N.

Similarly, 5879-14 should be a multiple of N.

5879 - 14 = 5865 is a multiple of N.

Because 5644 and 5865 are both multiples of N, their difference must be a multiple of N.

5865 − 5644 = 221 then 221 is a multiple of N.

We have three number of which N can be a multiple of, however we choose to factorize the smallest possible number amongst these three, which is 221. (This is only for simplification of the solution, smaller the number, less the factors)

221 : 1, 13, 17, 221.

There are only two two - digit factors: 13 and 17.

We divide 5865 and 5644 by both numbers.

\frac{5865}{13} = 451.15 \\\frac{5865}{17} = 345 \\\frac{5644}{13} = 434.15 \\\frac{5644}{17} = 332\\

Looking at these results, we know only 17 divides all three numbers.

Hence N=17.

The sum of both digits will be: 1 + 7 = 8

8 0
3 years ago
Traveling at an average rateaverage rate of between 40 and 50 miles per hour for 3 to 4 hours select the best estimate for the d
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Answer:

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Step-by-step explanation:

Distance = speed × time

Speed 1 = 40miles/hr , speed 2 = 50 miles/hr

Time 1 = 3 hrs,  time 2 = 4 hrs

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= 40× 3 = 120 miles

Distance 2 = speed 2 × time 2

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Average distance = (distance 1+distance 2 ) ÷ 2

Distance = (200+120) ÷ 2 = 320 ÷2

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I hope this was helpful, please mark as brainliest

6 0
3 years ago
A3ft board weighs 2 pounds. How much<br> does a 12 ft board weigh?
quester [9]

Answer:

8 pounds

Step-by-step explanation:

3 ft board = 2lb

12 ft board is 4 times more so

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7 0
2 years ago
The highway forming three cities form a right triangle.Walnut Grove is 91.7 miles from Pecan City and 52.4 miles from Almondvill
fenix001 [56]

Answer:

The shortest length possible for that road is 43.0 miles

Step-by-step explanation:

Please, see the attached file.

Thanks.

6 0
3 years ago
Read 2 more answers
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