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vladimir1956 [14]
3 years ago
8

What is √ 63 − 4 √ 7??

Mathematics
1 answer:
tester [92]3 years ago
4 0

Answer:

- √7

Step-by-step explanation:

√63 = √9*7 = √9*√7

Sqrt(9) = 3

3√7 - 4√7 = -1√7=  -√7

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The tens digit of a 2 digit number is twice the units digit. The sum of the digits is 12. Find the original number.
Mice21 [21]

Answer:

84

Step-by-step explanation:

4 * 2 = 8

8+4 = 12

3 0
3 years ago
3t+3/5 =6 solve for t
luda_lava [24]

Answer:

t=9/5

Step-by-step explanation:

8 0
3 years ago
Need answer please ASAP
rusak2 [61]

Answer:

1)

Step-by-step explanation:

First you need to do your equation to..... =0 first

So you just minus 13 from 22 and get 9

Then you just do your completing the square

8 0
3 years ago
Isaac invested $1,800 in an account paying an interest rate of 4.7%
bazaltina [42]

Answer:

$3584.86 or 3600 if rounded to the nearest 100 dollars

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Helpp me pleasee correct answers! (10 points )
Softa [21]

Answer:  Approximately 30.4 degrees

=========================================================

Work Shown:

324 - 1.6 = 322.4 is the height of the right triangle. This is the opposite side compared to the angle theta.

The adjacent side is 550 since it is the leg closest to the angle theta.

We'll use the tangent rule to connect the two sides

tan(angle) = opposite/adjacent

tan(theta) = 322.4/550

theta = arctan(322.4/550)

theta = 30.3780566013696

theta = 30.4

Your teacher didn't provide any rounding instructions, but I rounded to one decimal place since the value 1.6 is to one decimal place.

5 0
3 years ago
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