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Alex Ar [27]
3 years ago
7

Someone please answer !!!!

Mathematics
2 answers:
Goryan [66]3 years ago
7 0
The answer is C

By the way, that expression means "n choose k". Hope I helped!
Sedbober [7]3 years ago
5 0
The answer is c .I hope my answer right
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givi [52]
<span>Cual es tu nombre? the accent mark over the a</span>
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4 years ago
Find the first six terms of the sequence.<br><br> a1 = -7, an = 4 • an-1
Alona [7]
Answer:
a1= -7
a2=4 <span>• -7= -28
a3=4 </span><span>• -28= -112
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8 0
3 years ago
Read 2 more answers
Identify the number of decimal places in each factor. 0.47 × 3.2 The number of decimal places in 0.47 is . The number of decimal
nignag [31]

Answer:

2, 1, 3

Step-by-step explanation:

correct on edg

5 0
4 years ago
Karen wants to advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects a sample of 69
Tomtit [17]

Answer: (10.1989,\ 11.0011)

Step-by-step explanation:

Given : Sample size : n=69

Sample mean : \overline{x}=10.6

Standard deviation : s=1.7

Significance level : \alpha:1-0.95=0.05

Then , Critical value : z_{\alpha/2}=1.96

The formula to confidence interval is given by : -

\overline{x}\pm z_{\alpha/2}\dfrac{s}{\sqrt{n}}\\\\\Rightarrow\ 10.6\pm (1.96)\dfrac{1.7}{\sqrt{69}}\\\\\approx10.6\pm0.4011=(10.6-0.4011,10.6+0.4011)=(10.1989,\ 11.0011)

Hence, the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= (10.1989,\ 11.0011)

8 0
4 years ago
HELP ILL GIVE 10 PTS quick pleaseee
Sladkaya [172]

Answer: I’m pretty sure it’s the 4th one.

Step-by-step explanation: because 1 and 2 have infinity solutions but 3 has no solution 4 comes up with x=-11

Can you give brainiest? :)

6 0
3 years ago
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