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4 years ago

Please Help ASAP!!!!!!

Mathematics

1 answer:

Vesna [10]4 years ago

8 0

The answer is c (4, 1) because when you add 1 to the x value it moves right one and then when you subtract 3 from the y value it goes down 3 making it (4, 1)

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Which inequalities are true?

valentina_108 [34]

B is correct as -4 is smaller than 7
d is correct as -30 is smaller than -18
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3 years ago

12 4/5 x 1/4 is what please hurry!!!

NemiM [27]

Answer:

16x/5

Step-by-step explanation:

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3 years ago

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Find the value of x in each pair of similar figures. Use proportions to solve.

Aleonysh [2.5K]

Answer:

x=15

Step-by-step explanation:

3/5=9/x

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3 years ago

Which expressions below equal a rational number? Choose all that apply. 4/5 + 3/8; sqrt(100) + sqrt(5); 7sqrt(5) - sqrt(245); (4

masha68 [24]

Answer:

Step-by-step explanation:

<h3>Rational number</h3>

$1) \dfrac{4}{5}+\dfrac{3}{8}\\\\\dfrac{4}{5} \ \text{is a rational number} \ and \ \dfrac{3}{8} \ \text{is a rational number}\\\\\dfrac{4}{5}+\dfrac{3}{8} \ \text{is also a rational number}$

$b) \sqrt{100}+\sqrt{5} = 10+\sqrt{5}\\\\\sqrt{5} \ \text{is a irrational number}. \\\\ \text{Rational number added to irrational number will result in an irrational number}\\\\10 + \sqrt{5} \ is \ not \ a \ rational \ number.$

$7\sqrt{5}-\sqrt{245}=7\sqrt{5}-\sqrt{7*7*5}$

$= 7\sqrt{5}-7\sqrt{5}\\\\=0\\\\\text{\bf $ 7\sqrt{5}-\sqrt{245}$ ia a rational number}$

$(4\sqrt{7})*(2\sqrt{7})=4*2*\sqrt{7*7}\\$

= 4*2*7

= 56

$4\sqrt{7}*2\sqrt{7} \ \text{\bf is a rational number}$

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2 years ago

100x^2y^5 40x^3y^2<br> Find the GCF <br> Show your work.

ozzi

100x^2y^5 and 40x^3y^2
Factor out common terms first.
$Common \ terms \ are: \ 20 \ in \ 100 \ and \ 40. \\
 x^2 \ in \ x^2 \ and \ x^3 \\
y^2 \ in \ y^5 \ and \ y^2. \\
So \ GCD=20x^2y^2$

Answer: GCD= 20 x² y²

8 0

3 years ago