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OlgaM077 [116]
3 years ago
12

-a5 – (b2 + a²b2)-(-a5 – a²b2)

Mathematics
1 answer:
Georgia [21]3 years ago
4 0

Answer:

b8

Step-by-step explanation:

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Is the following relation a function?<br><br> x y<br> −1 −2<br> 2 3<br> 3 1<br> 6 −2
PilotLPTM [1.2K]
Yes because no same x-valu resulted in different y-values.
6 0
3 years ago
Read 2 more answers
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
An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis. The company has set
jeyben [28]

The best firm for the Appliance manufacturer for the repair work is Firm 2 .

In the question ,

it is given that ,

An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis .

The acceptable range of the repair time is 50 minutes to 90 minutes.

the mean repair time for firm 1 = 74 minutes and standard deviation of 4 minutes .

the mean repair time for firm 2 = 72 minutes and standard deviation of 5.1 minutes .

the range is calculated using the formula

Range = Mean ± Standard Deviation

So , for firm 1 ,

the Range = 74 ± 4

= 74 + 4       and      74 - 4

= 78     and   70

the range for firm 2 is

= 72 ± 5.1

= 72 + 5.1      and      72 - 5.1

= 7.1        and       66.9  

The second company has a lower range and it should be preferred .

Therefore ,  The best firm for the Appliance manufacturer for the repair work is Firm 2 .

Learn more about Standard Deviation here

brainly.com/question/23611887

#SPJ1

8 0
11 months ago
I need help with which equations represents proportional relationships
OLga [1]

Answer:

x=1/4y

Step-by-step explanation:

Step 1: You flip the equation

4x=y


Step 2: Divide both sides by 4


4x/4 = y/4


x=1/4y

8 0
3 years ago
Write the ratios in the form n:1<br> 12:3=
uranmaximum [27]

Answer:

4:1 (divide both sides by 3)

Step-by-step explanation:

3 0
3 years ago
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