Ask question

Ask question

All categories

3 years ago

11

A bag contains 7 red, 3 green, 4 blue, and 6 yellow marbles. Find the probability of randomly selecting a red marble three times

in a row if the first marble is replaced each time.
A;1225

B;1.05

C;.0429

D;.3535

1 answer:

77julia77 [94]3 years ago

8 0

Answer:

B

Step-by-step explanation:

You might be interested in

(7/3,4/3),(-1/3,2/3)

nevsk [136]

How is this a question?

5 0

4 years ago

The circumference of a circle is 22 cm.

valkas [14]

$\bf \: Circumference \: of \: a \: circle = 2\pi \: r$

$\implies22 = 2 \times \dfrac{22}{7} r$

$\implies22 = \dfrac{44}{7} \times r$

$\implies \: r = \dfrac{22 \times 7}{44}$

$\implies \boxed{ r = \dfrac{7}{2} }$

Now,

$\bf \: Area \: of \: circle = \pi {r}^{2}$

$\rightarrow \: \frac{22}{7} \times ({ \frac{7}{2}) }^{2}$

$\rightarrow \frac{22}{ \cancel7} \times \frac{ \cancel{49}}{4}$

$\rightarrow \: 22 \times \frac{7}{4}$

$\rightarrow \: 11 \times \frac{7}{2}$

$\rightarrow \frac{77}{2}$

$\rightarrow \: 38.5 \: cm {}^{2}$

Area of rectangle = 38.5 cm².

7 0

3 years ago

What is one ninth plus two thirds simplified

GREYUIT [131]

7/9. 1/9 plus 2/3. You have to get the lest common denominator, so change 3 to 9 by multiplying it by three. Remember, you have to do the same thing you do to the denominator to the numerator. So, 2/3 would be 6/9. 6/9 plus 1/9 is easy, basic facts. 1 and 6 is 7, and you put the nine under. You get 7/9

4 0

3 years ago

Read 2 more answers

Patrick will borrow $4300 at 11.5% APR. He will pay it back over 5 years.

IRINA_888 [86]

Answer:

94.56

Step-by-step explanation:

because 94,56 x 11.5 x 5 =4300

8 0

3 years ago

Read 2 more answers

Given that QRSTU=QXWVU, find

Mrac [35]

Angle UQR = Angle UQX since they are corresponding angles. Note how the top polygon reflects over the line QU to get the bottom polygon.

So because of this, and because angle UQX = 45, this means the answer is 45 degrees

7 0

4 years ago

Read 2 more answers