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Amiraneli [1.4K]
2 years ago
10

I will give brainliest

Mathematics
2 answers:
8090 [49]2 years ago
3 0

Answer:

Equations 1 & 3 are correct.

Explanation:

Equation 2's actual answer is -8, and Equation 4's actual answer is positive 7.

Crank2 years ago
3 0

Answer:

1 and 3 are correct

Step-by-step explanation:

You might be interested in
Are the ratios of 2 apples to 5 oranges and 6 apples to 14
kramer

Answer:

No

Step-by-step explanation:

Multiplying the 2 and the 5 by 3 will get you 6 and 14. 14 is not a factor of 5 making it incorrect.

3 0
2 years ago
Read 2 more answers
The weight of baby goats is believed to be Normally distributed, with a mean of 5.75 pounds. The average weight of a random samp
Julli [10]

Answer:

The standard error of the mean is 0.0783.

Step-by-step explanation:

The Central Limit Theorem helps us find the standard error of the mean:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

The standard deviation of the sample is the same as the standard error of the mean. So

SE_{M} = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\sigma = 0.35, n = 20

So

SE_{M} = \frac{\sigma}{\sqrt{n}}

SE_{M} = \frac{0.35}{\sqrt{20}}

SE_{M} = 0.0783

The standard error of the mean is 0.0783.

7 0
3 years ago
Which sequence can be generated from the formula f(x + 1) = One-half(f(x))?
AlekseyPX

Answer:

x, StartFraction x Over 2 EndFraction, StartFraction x Over 4 EndFraction, StartFraction x Over 8 EndFraction, ellipsis

Step-by-step explanation:

7 0
3 years ago
A farm has 15 rows of fruit trees with 7 trees in each row. The last 4 rows of trees are cherry trees. The remaining trees are o
siniylev [52]

Answer:

Total number of orange trees = 77 trees

Step-by-step explanation:

Given:

Total number of rows = 15

Total number of cherry rows = 4

Number of trees in each rows = 7

Find:

Total number of orange trees

Computation:

Total number of orange trees = [Total number of rows - Total number of cherry rows][Number of trees in each rows]

Total number of orange trees = [15 - 4]7

Total number of orange trees = [11]7

Total number of orange trees = 77 trees

6 0
2 years ago
Help me with this please!
zepelin [54]

Answer: -x - 3√x + 4

(1 - √x)(√x + 4)

= √x + 4 - √x.√x - 4√x

= -x - 3√x + 4

Step-by-step explanation:

3 0
2 years ago
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