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lukranit [14]
3 years ago
9

Can you simplify 9x+4 with combining like terms

Mathematics
1 answer:
zvonat [6]3 years ago
3 0

No. 9x + 4 has no like terms.

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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The following numbers show the cost of renting a full-size rental car, based on the number of miles driven. (0 miles=$68.97), (5
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It to long i give up sorry bro
5 0
3 years ago
The standard deviation of the distribution of sample means is​ _______.
luda_lava [24]

Answer:

Standard error

Step-by-step explanation:

The standard deviation of the distribution of sample means is called the standard error of the means.

It is denoted by: \sigma_{\bar X}

The standard error is calculated using the formula: \sigma_{\bar X}=\frac{\sigma}{\sqrt{n} }

where n is the sample size and \sigma is the population standard deviation.

6 0
3 years ago
True or False: A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 4.85 seconds w
vredina [299]

Answer:

False

Step-by-step explanation:

given that a race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 4.85 seconds with a standard deviation of 1.47 seconds.

Sample size n = 20

since population standard deviation is not known, we can use t critical value for finding out the confidence interval

df=19

t critical = 2.045

Margin of error = 2.045*\frac{s}{\sqrt{n} } \\=2.045*\frac{1.47}{\sqrt{20} } \\=0.6722

conidence interval = Mean±Margin of error

= (4.85-0.6722, 4.85+0.6722)\\= (4.1778, 5.5222)

The given confidence interval is (4.52, 5.18)

Hence the statement is false.

5 0
3 years ago
What two number multiply to 24 and add to -11
enot [183]

Answer:

8 and 3

Step-by-step explanation:

Brainliest Please

4 0
2 years ago
Read 2 more answers
Selena is 6 years younger than pual. in 15 years, pual will be 4 times the age Selena is now. what are their present ages?
marusya05 [52]

Answer:

13 & 7.

Hope this helps.

8 0
2 years ago
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