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mylen [45]
3 years ago
11

I need help 3x + 6 = 3(2 + x)

Mathematics
2 answers:
Anna [14]3 years ago
6 0

Answer:

3x + 6 = 6 + 3x

3x - 3x = 6-6

0 = 0

maw [93]3 years ago
3 0

Answer: x=0

Step-by-step explanation:

Distribute

3x+6=6+6x

Combine like terms

0=0

So 0

Check 3(0)+6=3(2+0)

3(0)=0 0+6=6

2+0=2 2(3)=6

6=6

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4 hours is equal to one ____ of the Earth? ILL MARK PLZZZZZZZZ
sertanlavr [38]

Answer:

the earth spins 1,600 km per hour so times 4 is 6,400 and convert that to a fraction i'm not sure if this is right

Step-by-step explanation:

5 0
3 years ago
8 div by 275 place 0 in qoutient
Norma-Jean [14]
275 divided by 8 is <span>34.375</span>
5 0
3 years ago
A livestock company reports that the mean weight of a group of young steers is 1143 pounds with a standard deviation of 88 pound
malfutka [58]

Answer:

<em>a) P(x<1200)=74.14%</em>

<em>b) P(1100<X<1250)=57.54%</em>

Step-by-step explanation:

<u>Normal Distribution</u>

The normal distribution, also known as the bell curve, is a distribution that occurs naturally in many situations of life. We use the model N(\mu,\sigma) to understand the behavior of some real-life variables. Where \mu is the mean value and \sigma is the standard deviation.

In our case, we have

\mu=1143,\ \sigma=88

And are required to find the percentage of steers whose weigh lie within a given range. We must use some sort of table or digital means to compute the values because the normal distribution cannot be calculated directly by a formula. We use the NORMDIST (or NORM.DIST) formula for Excel which gives us the left tail of the area behind the bell curve, i.e. the cumulative percentage for a give value of X. The formula has the form

NORM.DIST(x,mean,standard_dev,cumulative)

a) X<1200

The formula is used with the following parameters

NORM.DIST(1200,1143,88,true)

and we get

P(X

b) We need to compute P(1100<X<1250). To do this, we calculate both left tails and the subtract them

NORM.DIST(1100,1143,88,true)=0.3125

NORM.DIST(1250,1143,88,true)=0.8880

P(1100

\boxed{P(1100

6 0
3 years ago
How to solve -x^2-2x+1
Wittaler [7]

Answer:

Common factor

Factor by grouping

Factor by grouping

−

2

−

2

+

1

-x^{2}-2x+1

−x2−2x+1

−

1

(

2

+

2

−

1

)

{\color{#c92786}{-1(x^{2}+2x-1)}}

−1(x2+2x−1)

Solution−

-1(x²+ 2x-1 )

5 0
3 years ago
A student is using a map in which the features are distorted and the land size is more accurate near the equator.
Snezhnost [94]
A flat map I think sorry if it’s wrong
8 0
3 years ago
Read 2 more answers
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