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2 years ago

What is the probability of picking a purple marble and rolling an odd number?

Mathematics

2 answers:

Lostsunrise [7]2 years ago

6 0

5/11 for the marble and ½ for dice

Vaselesa [24]2 years ago

4 0

Answer:

5/11

Step-by-step explanation:

I hope this helps a bit.

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The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

5 0

3 years ago

Find the nth term <br> 26,19,12,5,-2<br><br> I will mark brainliest for the best answer :D

lara31 [8.8K]

Answer:

-9

Step-by-step explanation:

you're taking away 7 each time, so -2-7=-9

5 0

2 years ago

What does k equal in the equation y = kx3, so that it represents the graph shown?

Oxana [17]

Without the graph it is impossible the find the value of K

8 0

3 years ago

Can someone help me with this math homework please!

Daniel [21]

Answer:

1st, 2nd and 6th options

Step-by-step explanation:

Given

$\frac{2}{3}$ - x + $\frac{1}{6}$ = 6x ( multiply through by 6 to clear the fractions )

4 - 6x + 1 = 36x ← option 1 will have the same solution set

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

Adding the 2 fractions on the left side gives

$\frac{4}{6}$ + $\frac{1}{6}$ - x = 6x , that is

$\frac{5}{6}$ - x = 6x ← option 2 will have the same solution set

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

From

4 - 6x + 1 = 36x ( add 6x to both sides )

5 = 42x ← option 6 will have the same solution set

8 0

2 years ago

Find the slopes form two points (4,-6) and (-4,2)

Advocard [28]

Answer:

y = -x – 2

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers