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Mnenie [13.5K]
2 years ago
6

Is √7 a rational number? why or why not? Explain

Mathematics
2 answers:
Contact [7]2 years ago
8 0

Answer:

Is the Square Root of 7 Rational or Irrational? A rational number is defined as a number that can be expressed in the form of a quotient or division of two integers, i.e. p/q, where q is not equal to 0. ... Due to its never-ending nature after the decimal point, √7 is irrational.

Veronika [31]2 years ago
3 0

Answer: √7 is irrational because the square root of 7 isn't a perfect root.

Step-by-step explanation:

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How many terms are in the expression 5x+3y-2z​
Viktor [21]

Answer:

three?

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
-3/8p=9 how do you isolate p?
LenKa [72]

Answer:

multiply both sides by 8 then divide by -3

or in one step divide both sides by (-3/8) which is the same as multiplying by

(-8/3)...

-3p = 72

p = -24

Step-by-step explanation:

5 0
2 years ago
Which measurement is NOT equivalent to the others? *
Alekssandra [29.7K]
Your answer is 199cm is not equal because of 10mm equal 1cm and 100cm equal 1 meter and 100,000cm equal 1 km. Hope this helps.
3 0
3 years ago
Find the value of x.
svetoff [14.1K]

Answer:

x=17 plz the brainliest!

Step-by-step explanation:

3x+39=90

3x+39-39=90-39

3x=51

\frac{3x}{3}=\frac{51}{3}

x=17

3 0
2 years ago
LAST QUESTION ON MY TOPIC!!! PLEASE
nataly862011 [7]

Givens

<em><u>Slower car</u></em>

r = r

t = 12 hours

d = ?

<em><u>Faster car</u></em>

r = r + 20

t = 8 hours

d = ?

It doesn't matter what the exact distance is. You just have to know that the 2 distances are equal ie going to the mountains from his home is the same distance as going from the mountains to his home.

d = r * t

r * 12 hours = (r + 20)* 8 hours.   Remove the brackets on the right

r*12 = 8r + 20*8

r*12 = 8*r + 160

r*12 - 8r = 8r - 8r + 160

4r = 160

r = 40 miles / hour

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

Slower Ride determines the distance.

d = r*t

d = 40 * 12

d = 480

Check

Use the faster rate (r + 20) = 40 + 20 = 60 mph

60 * 8 = 480. Both distances work out to be the same.

5 0
3 years ago
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