Find the equation of the line.. y= x+ khan academy

Mathematics

1 answer:

9966 [12]3 years ago

5 0

Answer:

y = -3x+7

Step-by-step explanation:

i hope this helps :)

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U=1-3v/vt-w make t the subject<br> Answer for it

Oxana [17]

Answer:

t= - $\frac{u}{3}$ + $\frac{1}{3}$ - $\frac{w}{3}$

Step-by-step explanation:

Divide each side with variables by the one without them.

4 0

3 years ago

Rectangle A has 7 times the area of rectangle

krok68 [10]

Wa=0.5Wb, Ha=20, Hb is unkown
the area of rectangle a is : Wa*20
the area of rectangle b is : Wb*Hb
Rectangle a has 7 times the area of rectangle b: Wa*20=7*Wb*Hb
Replace Wa with 0.5Wb: 0.5Wb*20=7Wb*Hb => Hb=10/7

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3 years ago

What is 12.1 as a fraction in simplest form

Alex787 [66]

12 1/10
A quick way to get this one is to recognize that .1 is a decimal in the tenth place. Because of this, we know to put it over 10. Because 1/10 cannot be simplified, it is in simplest form. Now, simply return the whole number to the fraction.

6 0

4 years ago

PLEASE HELP NOW!!!

Luden [163]

9514 1404 393

Answer:

sometimes

Step-by-step explanation:

4 + 7 = 11 . . . not a multiple of 7

28 + 7 = 35 . . . a multiple of 7

If you add a multiple of 4 and a multiple of 7, the sum is <u>sometimes</u> a multiple of 7.

It will be a multiple of 7 when the multiple of 4 used is a multiple of 7, such as 4×7 or 4×14 or 4×21, for example.