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3 years ago

6

A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag. The probability of n

ot drawing a black marble is. The probabilty of drawing a red marble is?

1 answer:

solniwko [45]3 years ago

4 0

Answer:

1/10 or 3/10 i think if im wrong im sorry

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Find the value of this expression if x = 2 and<br> y= 1.

N76 [4]

Answer: 2/5

Step-by-step explanation:

xy^2

--------

5

If x = 2 and y = 1

x * y^2 2 × 1^2

----------- -----------

5 5

2

---

5

6 0

3 years ago

Any help? Much appreciated

natulia [17]

Answer:

$\frac{6+\sqrt{27} }{4-\sqrt{3} } = \frac{r+s\sqrt{3} }{13} \\We\ may\ multiply\ the\ numerator\ and\ denominator\ with\ (4+\sqrt{3} ).\\Hence,\\\frac{(6+\sqrt{27})(4+\sqrt{3}) }{13} = \frac{r+s\sqrt{3} }{13} \\Hence,\\24+6\sqrt{3} +4\sqrt{27} +9= r+s\sqrt{3}\\24+6\sqrt{3} +4*3\sqrt{3} } +9= r+s\sqrt{3}\\24+6\sqrt{3} +12\sqrt{3}+9 = r+s\sqrt{3}\\33+18\sqrt{3} = r+s\sqrt{3}\\Hence,\\r=33, s=18$

5 0

3 years ago

Hat is the center and radius of the circle with equation (x − 5)2 + (y + 3)2 = 16?

fgiga [73]

$\bf \textit{equation of a circle}\\\\ 
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad 
center~~(\stackrel{}{{{ h}}},\stackrel{}{{{ k}}})\qquad \qquad 
radius=\stackrel{}{{{ r}}}\\\\
-------------------------------\\\\
(x-5)^2+(y+3)^2=16\implies [x-\stackrel{h}{5}]^2+[y-(\stackrel{k}{-3})]^2=\stackrel{r~~2}{4}$

4 0

4 years ago

Geraldo is trying to fit his encyclopedias on the shelf. Each encyclopedia is 2 1/4 inches thick. If Geraldo shelf is 2 1/4 feet

Maurinko [17]

Answer:

12

Step-by-step explanation:

First, find out how wide his shelf is in inches. 2.25*12=27. So his shelf is 27 inches wide. Then divide that by 2.25 to find the number of encyclopedias will fit.

8 0

3 years ago

Can you help me get have a test tomorrow

Jlenok [28]

Answer: 3.3

Step-by-step explanation: maximum was 250 yards and each pool is 75 yards, how many pools did he use? divide the 250 by 75 which you should've gotten 3.33333333333. round to the nearest tenth.

6 0

3 years ago