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Brut [27]
3 years ago
8

Is √38 rational or irrational

Mathematics
2 answers:
lbvjy [14]3 years ago
5 0

Answer:

Rational

Step-by-step explanation:

Viefleur [7K]3 years ago
5 0

Answer:

irrational

Step-by-step explanation:

because it does not simplify into a whole number

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How do i write 2 1/5 as a fraction
balandron [24]

2 1/5

mutiply the whole number with the denominator

whole number =2

denominator=5

2*5=10

Add 10 with the numerator=1

10+1=11

Answer:

11/5

6 0
4 years ago
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--> The managers want to know how many boxes of 12 cookies can
kifflom [539]

Answer:

271 boxes

Step-by-step explanation:

3 0
3 years ago
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Solve this using the quadratic formula. Show work<br><br> 2x^2+7x−5=0
kozerog [31]
Multiply the numbers (2*2=4)
=\frac{-7+\sqrt{7^2-4\cdot \:2\left(-5\right)}}{2\cdot \:2}

Apply the rule 
\sqrt{7^2+2\cdot \:4\cdot \:5}

7^2 =49
=\sqrt{49+2\cdot \:4\cdot \:5}

Multiply
\sqrt{49+40}

Add
\sqrt{89}

=\frac{-7-\sqrt{89}}{4}

Final solution:
x=\frac{-7+\sqrt{89}}{4},\:x=\frac{-7-\sqrt{89}}{4}

8 0
4 years ago
When is 9+10 really equal to 21
zhenek [66]

Answer:

it's equal to 21 when I say it's equal to 21

3 0
3 years ago
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Can someone help me please
artcher [175]

Answer:

$22.75

Step-by-step explanation:

C = $30.25 - ($0.25/min)x, where x is the number of minutes spent on calls

Here, 30 minutes of calls result in this amount of $ left on the card:

C(30) = $30.25 - ($0.25/min)(30 min) = $22.75

6 0
3 years ago
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