3 years ago

Determine what is the distance from the point to the origin?

Mathematics

1 answer:

marta [7]3 years ago

4 0

Answer:

4.5

Step-by-step explanation:

0 is the origin.

0-(-4.5)=

0+4.5=4.5

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Which of the following is equivalent to the expression below?

vladimir1956 [14]

Answer:

2i√5

Step-by-step explanation:

√-20 = √-1 × √20

√-1 = i

√20 = 2√5

i × 2√5 = 2i√5

5 0

3 years ago

N-<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2n-3%7D%7B9%7D" id="TexFormula1" title="\frac{2n-3}{9}" alt="\frac{2n-3}{9}" align

Sunny_sXe [5.5K]

Answer: $n = -12$

Step-by-step explanation: $n - \frac{2n - 3}{9} + 2 = \frac{2n + 1}{3}$

$\frac{9n - 2n - 3 + 18}{9} = \frac{2n + 1}{3}$

$\frac{7n + 15}{9} = \frac{2n + 1}{3}$

$9(2n + 1) = 3(7n + 15)$

$18n + 9 = 21n + 45$

$9 = 3n + 45$

$-36 = 3n$

$-12 = n$

8 0

4 years ago

Last month Maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. Let x re

KatRina [158]

5x+10y=90

5 miles times each time she hiked x
plus 10 times each time she hiked y
equals 90 total miles

3 0

4 years ago

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Potatoes - Samples: Assume the weights of Farmer Carl's potatoes are normally distributed with a mean of 7.0 ounces and a standa

Vilka [71]

Solution :

Given that : mean, μ = 7, standard deviation, σ = 1.2

Therefore, the mean potato weight in the bag of 6 is

$\bar{x} = \frac{36}{6}$

= 6 ounces.

Here we have μ = 7, σ = 1.2, n = 6

So, z-score for $\bar{x} = 6$ is

$z=\frac{\bar{x}-\mu}{\sigma/ \sqrt n}$

= $\frac{6-7}{1.2/\sqrt6} = -2.04$

6 0

3 years ago

What is the gcf of 14,35,49

docker41 [41]

To get GCF, we first need to get prime factors of each number.

14 = 2 x 7
35 = 5 x 7
49 = 7 x 7

So, gcf(14, 35, 49) = 7

5 0

3 years ago