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nekit [7.7K]
3 years ago
10

Is y = − 52 x − 57 increasing or decreasing? decreasing or increasing

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0

Answer:

Decreasing

Step-by-step explanation:

Pick any value of X greater than zero.

If you plug in 10 for x, then Y = -577,

If you plug in 0, then Y = -57.

The greater the X, the Smaller Y.

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43 +62 +57 + m / 4 = 55
ahrayia [7]
The answer is .. m= -428
7 0
3 years ago
Find the value of x in (4x -5) = 7(x -5)​
Vlad1618 [11]

Answer: x = 10

Step-by-step explanation:

( 4 x − 5 ) = 7 ( x − 5 )

Simplify  7 ( x − 5 ) .

4 x − 5 = 7 x − 35

Move all terms containing  x  to the left side of the equation.

− 3 x − 5 = − 35

Move all terms not containing  x  to the right side of the equation.  

− 3 x = − 30

Divide each term by   − 3  and simplify.

x = 10

6 0
3 years ago
Esi says that the value of z when z^2 = 80 does not belong in either of these categories since z must be greater than 8.
Anettt [7]

Answer:

9

Step-by-step explanation:

if z=8 then z^2 would be 64, which is not equal to 80

iz z=9 then z^2 would be 81, which is closer to 80 than 64

therefore, 9 is the whole number than z would be closest to

7 0
3 years ago
Read 2 more answers
2 and 3/4 as a improper fraction
koban [17]

Answer:

11/4

I hope this helps ;)

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6 0
3 years ago
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A utility pole is 35 ft tall. The pole creates a 50 ft. shadow. What is the angle of elevation of the sun? Round your answer to
Ilya [14]
We can get the angle with 
tan a= opposite side / adjacent side = 35ft/ 50ft=0.7, so a = arctan(0.7)=35°
look at the image

6 0
3 years ago
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