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olya-2409 [2.1K]
3 years ago
9

You randomly choose a marble from a bag containing 2 purple, 5 pink, and 2 Blue.

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

You have 5/9 chances of getting a pink marble

Step-by-step explanation:

There are 5 pink marbles and 9 in all which gives you the fraction 5 out of 9

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Can someone help me out with these problems and show work please !!
AVprozaik [17]

Answer:

13. 10a^4b²

14. -5y³ + 35y² - 10y

Step-by-step explanation:

Question 13:

(5a³b) (2ab) =

=10a^4b²

Question 14:

5y (-y² + 7y - 2) =

= -5y³ + 35y² - 10y

Hope this helps!

5 0
2 years ago
What is the perimeter of the rectangle? Write your answer in scientific notation. The area is 2.76 x 10 pw12
MrRa [10]
We know that
area of a rectangle=length*width
length=area/width
area=2.76 x 10^12 units²<span>
width=4.6 x 10</span><span>^5 units
</span>length=2.76 x 10^12/4.6 x 10^5 ------> 6 x 10^6 units

perimeter of a rectangle=2*[length+width]
width=4.6 x 10^5 units----> is equal to 0.46 x 10^6 units
length=6 x 10^6 units

perimeter of a rectangle=2*[6x10^6+0.46x10^6]----> 12.92 x 10^6 units

the answer is
12.92 x 10^6 units

5 0
3 years ago
A rocket is launched at 85 ft./s from a launch pad that’s 28 feet above the ground. which equation can be used to determine the
3241004551 [841]

Answer:

h(t)=-16t^2+85t+28  is equation of height of rocket.

Option D is correct.

Step-by-step explanation:

Given: A rocket is launched with speed 85 ft/s from a height 28  feet.

Launching a rocket follows the path of parabola. The equation of rocket should be parabolic.

Parabolic equation of rocket is

Formula: h(t)=\dfrac{1}2gt^2+v_0t+h_0

g ⇒ acceleration due to gravity (-32 ft/s)

v ⇒ Initial velocity (v_0=85\ ft/s)

h ⇒ Initial height (h_0=28\ feet)

h(t) ⇒ function of height at any time t

Substitute the given values into formula

h(t)=\frac{1}{2}(-32)t^2+(85)t+28

h(t)=-16t^2+85t+28

D is correct.

6 0
3 years ago
Read 2 more answers
Need Help ASAP. <br> Match each graph with the correct slope.
ella [17]

Answer:

first graph: 1/3

second graph: 1

third graph: 1/2

Step-by-step explanation:

count how many blocks it moves up for rise and count how many blocks it moves to the right or left for run. Then just put it as Rise/Run.

3 0
3 years ago
If u know can u help me I got a lot of homework I just need answers for 11-15
Tju [1.3M]
For question 11 
The median: 70
the mean: 66
3 0
3 years ago
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