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Kazeer [188]
3 years ago
6

Geometry:( *image shown above*

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

y=-3.5x-9.5

Step-by-step explanation:

Alborosie3 years ago
8 0

Answer:

Step-by-step explanation:

so we use the equation y2-y1=m(x2-x1)

let's say (-3,1) is point 1 and (-5,8) is point 2

we plug in what we know

8-1=m(-5-(-3))

subtracting a negative is the same as adding so -5 - (-3) = -2

7=-2m

divide both sides by -2

-7/2=m

-3.5=m

so slope intercept form is y=mx+b

we know the slope (m) but we still need the "b" which is the y-intercept.

so you pick whichever point you want (I'm going to chose point 1 but it doesn't matter) and plug it in

1=-3.5(-3)+b

1=10.5+b

-9.5=b

so the equation would be y=-3.5x-9.5

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The value of y varies jointly with x and z. If y = 7 when z = 196 and x = 2, find the value of y when x = 3 and z = 336. I will
eimsori [14]

Answer:

18

Step-by-step explanation:

Given that:

y∞ xz

y=kxz. Where k is constant

When z=196 and x= 2 then y= 7

7=(196)(2)k

7=392k

k=1/56

There fore y=(1/56)xz

When x=3 and z =336

y=(1/56)xz

y=(1/56)(336)(3)

y=18

8 0
3 years ago
Anyone know how to do this pleaseee?
Murljashka [212]

Answer:

It should be 384^2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which equation best represents the relationship between x and y ?
Butoxors [25]
Y=25x

i hope this is what you’re asking for
8 0
2 years ago
Read 2 more answers
A foreman for an injection-molding firm admits that on 55% of his shifts, he forgets to shut off the injection machine on his li
motikmotik

Answer:

0.8594

Step-by-step explanation:

Let a denote the event of forgetting to shut off machine and b be the event of being defective.

-A foreman forgets to shut off machine 55% of the time.

-If he forgets, 15% of molds are defective.

-If he does not, 3% of molds are defective.

#The probability that he forgot to shut off the machine is calculated as:

P(a \ and \ b)=0.55\times 0.15\\\\=0.0825\\\\

P(a and ~b)=0.55(1-0.15)=0.4675

P(~a and b) = (1-0.55)*0.03=0.0135

P(~a and ~b) = (1-0.55)*(1-0.03)=0.4365

#Conditional probability is defined as:

P(a|b)=\frac{P(a \ and\  b)}{P(a)}\\\\=\frac{P(a \ and \ b)}{[(P(a \ and \ b)+P(\~a \ and \ b)}\\\\\\=\frac{0.0825}{0.0825+0.0135}\\\\\\=0.8594

Hence,  the probability that the foreman forgot to shut off the machine the previous night is 0.8594

5 0
3 years ago
Pls help me understand.
maw [93]

Answer:

19 %

Step-by-step explanation:

380 : 2000 = 0.19

0.19 X 100%= 19 %

6 0
3 years ago
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