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Flura [38]
3 years ago
9

Use the sequence {−1,171,875;−234,375;−46,875;−9375,…} to answer the question.

Mathematics
1 answer:
vlabodo [156]3 years ago
6 0

Answer: C

 

Step-by-step explanation:

the normal distribution is symmetric about its mean.  

so answer c) must be true.

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How many 4 card hands that contain exactly 3 aces and 1 queen can be chosen from a 52 card deck?
sesenic [268]
There are 16 possible hands.

Choosing 3 aces from 4 possible is expressed by:
_4C_3=\frac{4!}{3!1!} = 4

Choosing 1 queen from 4 possible is expressed by:
_4C_1=\frac{4!}{1!3!}=4

This gives us 4*4 = 16 possible hands.
7 0
3 years ago
Someone help me with this
skad [1K]

Answer:

m∠ABC = 74

Step-by-step explanation:

The sum of the measures of three angles of any triangle is invariably equal to the straight angle, also expressed as 180 °

So you subtract the given measurements of ∠BAC (76°) and ∠ ACB (19°) from 180. 180-76-19 = 74

The measurement of angle ABC is 74°

7 0
3 years ago
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Ymorist [56]

Answer:

B

Step-by-step explanation:

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4 0
2 years ago
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im not sure what u mean entirely

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If every pair of consecutive angles of a quadrilateral are supplementary, then the quadrilateral must be a parallelogram.
Luda [366]
Answer: true.

If a quadrilateral is a parallelogram, it has two sets of opposite sides that are congruent. If you follow the picture attacheed, you see that AD equals BC and AB equals DC.
There is a theorem that says that If a quadrilateral is a parallelogram, it has<span> consecutive angles that are supplementary. Suplementary means that, those 2 angles together, form 180º.</span>

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3 years ago
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