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Digiron [165]
2 years ago
7

Factor the following: 28 W + 12J

Mathematics
2 answers:
IrinaK [193]2 years ago
8 0

Answer:

Answervis 4(7W+3)

Step-by-step explanation:

I hope it's helpful!

muminat2 years ago
6 0

Step-by-step explanation:

https://youtu.be/e7WGZHTZm0I

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Let L be the line parametrized by x = 2 + 2t, y = 3t, z = −1 − t. (a) Find a linear equation for the plane that is perpendicular
Elden [556K]

Answer:

Step-by-step explanation:

Given that L is a line parametrized by

x = 2 + 2t, y = 3t, z = −1 − t

The plane perpendicular to the line will have normal as this line and hence direction ratios of normal would be coefficient of t in x,y,z

i.e. (2,3,-1)

So equation of the plane would be of the form

2x+3y-z =K

Use the fact that the plane passes through (2,0,-1) and hence this point will satisfy this equation.

2(2)+3(0)-(-1) =K\\K =5

So equation is

2x+3y-z =5

b) Substitute general point of L in the plane to find the intersecting point

2(2+2t)+3t-(-1-t) =5\\4+8t+1=5\\8t=0\\t=0\\(x,y,z) = (2,0,-1)

i.e. same point given.

3 0
3 years ago
Write the equation in slope-intercept form (y=mx + b) for a line with a slope of 2/3 and a y-intercept of -5.
adelina 88 [10]
Y=mx+b
b= y-intercept
-5=2/3x+b
answer: y=2/3x-5
5 0
3 years ago
Find ZABC<br> 00<br> A<br> 38⁰<br> 32⁰
almond37 [142]

Answer:

The answer will be 38° + 32° = 70°

<em>Please mark me as the brainliest</em>

6 0
1 year ago
If two 6-sided dice are rolled what is the probability that both numbers will be even?
Tamiku [17]
The probability of one dice rolling an even number is 1/2 as half the numbers are even. Since the events are independent, and there are 2 dice, we need to square 1/2 to get 1/4, assuming they are both fair dice
3 0
1 year ago
The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (c)
Ilya [14]

Answer:

\bar X =\frac{2.3+3.1+2.8+1.7+0.9+4+2.1+1.2+3.6+0.2+2.4+3.2}{12}=2.29

s=1.09

Step-by-step explanation:

For this case we have the following data given:

2.3 3.1 2.8

1.7 0.9 4.0

2.1 1.2 3.6

0.2 2.4 3.2

Since the data are assumedn normally distributed we can find the standard deviation with the following formula:

\sigma =\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n}}

And we need to find the mean first with the following formula:

\bar X = \frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X =\frac{2.3+3.1+2.8+1.7+0.9+4+2.1+1.2+3.6+0.2+2.4+3.2}{12}=2.29

And then we can calculate the deviation and we got:

s=1.09

7 0
2 years ago
Read 2 more answers
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