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Nataly [62]
3 years ago
11

A bad contains 120 marbles. Some are red and the rest are black. There are 19 red marbles for every black marble. How many red m

arbles are in a bag
Mathematics
1 answer:
makkiz [27]3 years ago
6 0
I think that would be 40 correct me if I’m wrong
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Can someone help me please
goldenfox [79]

Answer:

1. \quad\dfrac{1}{k^{\frac{2}{3}}}\\\\2. \quad\sqrt[7]{x^5}\\\\3. \quad\dfrac{1}{\sqrt[5]{y^2}}

Step-by-step explanation:

The applicable rule is ...

  x^{\frac{m}{n}}=\sqrt[n]{x^m}

It works both ways, going from radicals to frational exponents and vice versa.

The particular power or root involved can be in either the numerator or the denominator. The transformation applies to the portion of the expression that is the power or root.

7 0
3 years ago
There are 2 sets of balls numbered l through 19 placed in a bowl. If 2 balls are randomly chosen without replacement, find the p
Sergio039 [100]

Answer:

0.027027

Step-by-step explanation:

2 x 19= 38

38C2=703

19/703=0.027027

You

8 0
3 years ago
Solve the absolute value equation: <br> I’ll give someone a brainliest if you do it in 3 minutes
snow_lady [41]

Answer:

x = -2

Step-by-step explanation:

3x+2=−4

3x+2−2=−4−2(Subtract 2 from both sides)

3x=−6

3x /3 = −6 /3

(Divide both sides by 3)

x=−2

6 0
2 years ago
3 &lt; -5n + 2n Please show your work! Just in number form!
vovangra [49]

Answer:

[See Below]

Step-by-step explanation:

✦ Combine like terms:

  ✧ -5n + 2n = -3n

✦ Rewrite:

  ✧ 3 < -3n

✦ Divide:

  ✧ 3 / -3 = -1

So n = -1.

~<em>Hope this Helps Mate. If you need anything feel free to message me. </em>

8 0
3 years ago
Read 2 more answers
Ted has a bottle cap with a sticker on the inside of the cap. He throws the bottle cap up into the air to see which side it land
galina1969 [7]
Well if the probability of it landing with the sticker side down is 40% then it landing with the sticker side up is 60% and 0.6 • 40 = 24 times
8 0
3 years ago
Read 2 more answers
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