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3 years ago

7

For her birthday, Clara wanted a balloon bouquet. If there are 4 colors to choose from and her bouquet will only have 4 balloons

, how many combinations of colored balloons are possible?? explain

1 answer:

AnnZ [28]3 years ago

5 0

Answer:

35

Step-by-step explanation:

CR(n,r)=(n+r−1)!/r!(n−1)!

CR(n,r)=CR(4,4)

=(4+4−1)!/4!(4−1)!

= 35

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-5+2(10b-2)=31 need help thanks!

Contact [7]

Answer:

$\Large \boxed{b=2}$

Step-by-step explanation:

-5+2(10b-2)=31

Expand brackets.

-5+20b-4=31

-9+20b=31

Add 9 on both sides.

20b=40

Divide both sides by 20

b=2

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4 years ago

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Which shape is both a rectangle and a square?<br> please help i’ll rate you brainliest

erastova [34]

Answer:

The red square because if u cut it from the side u get to triangles.

Step-by-step explanation:

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3 years ago

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Determine whether the three points are collinear.<br> (0, - 10). (-3,- 13), (2,-8)

LUCKY_DIMON [66]

Answer:

<h2>YES. These points are collinear.</h2>

Step-by-step explanation:

If three points are collinear, then the slopes are the same.

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

For (0, -10) and (-3, -13):

$m=\dfrac{-13-(-10)}{-3-0}=\dfrac{-13+10}{-3}=\dfrac{-3}{-3}=1$

For (-3, -13) and (2, -8):

$m=\dfrac{-8-(-13)}{2-(-3)}=\dfrac{-8+13}{2+3}=\dfrac{5}{5}=1$

We can check the last pair (0, -10) and (2, -8):

$m=\dfrac{-8-(-10)}{2-0}=\dfrac{-8+10}{2}=\dfrac{2}{2}=1$

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3 years ago

M is the centroid (center of gravity) of △ABC, line k goes thru M and intersects AB and AC . The distances of the vertices B and

lana [24]

Answer:

30

Step-by-step explanation:

The midpoint of BC will be a distance from line k that is the average of the distances of B and C: (17+13)/2 = 15. Call that midpoint P. We know distance MP is half of distance MA. This same relationship will hold with respect to the distances from P and A to any line through M. That is, the distance from line k (through M) is twice the distance from P to line k: 30 units.

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3 years ago

Hurry please!!! Quickly! I have to turn this in in 3 minutes---this is the last problem!!!<br> thx

Mama L [17]

1 = 84

3 = 252

7 = 588

10 = 840

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3 years ago

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