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kow [346]
3 years ago
7

Evaluate the expression y=7 x=8 x+ 4y

Mathematics
2 answers:
Elena L [17]3 years ago
8 0

Answer:

36

Step-by-step explanation:

x+4y=8+4(7)=8+28=36

alexira [117]3 years ago
3 0
You just plug in the numbers: 8+4(7)=8+28=36. Hope this helped!
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What is f(-3) if f(x) = 12x + 11 + 5?
Zina [86]

Answer:

-20

Step-by-step explanation:

f (-3) = 12 x -3 + 11 +5

                          ^

          12 x -3  + 16

                ^

              -36 + 16

                     ^

                   = -20

6 0
3 years ago
What is an equation of a line passing through the given point
Mademuasel [1]
I believe it is y=mx+b..........y equals slope times x plus the y intercept...or y=-8/3x+4.that would mean your slope would be negative. meaning it would go from the left top hand corner and fall through to the bottom right hand corner.
4 0
3 years ago
H = -16t2 + 64t + 80 Determine the maximum height of the rocket. Show your work.
Lesechka [4]
H = -16t² + 64t + 80 (:16)
H = -t² + 4t + 5
/\ = b²-4ac
/\ = 4²-4.(-1).5
/\ = 16+20
/\ = 36
Yv = -/\ / 4a
Yv = -36/4.(-1)
Yv = -36/-4
Yv = 9
3 0
3 years ago
Help meeeeeeeeeeee pleaseeeeeeeeeeeeee!!
Vikentia [17]

Answer:

Step-by-step explanation:

the answer is 34 when you get a2 ans subtract the mineral you get a desemel and if you round that using the arcoulation sistum you get 34 hope this helps messege me if it dose

7 0
1 year ago
The ratio of the number of male lions to female lions in the animal reserve is 21:20. If there are 123 lions in the animal reser
Vanyuwa [196]
21 + 20 = 43

Total is 123, so divide by 43.

123/43 = 2.86 rounded to 3.

(females) 20 x 3 = 60 female lions 
7 0
3 years ago
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