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Bas_tet [7]
2 years ago
15

If x can be any integer, what is the greatest possible value of the expression 1-x^2

Mathematics
1 answer:
iren [92.7K]2 years ago
7 0

Answer:

The greatest value of the expression 1-x^2 is 1

Step-by-step explanation:

Here, we want to find the greatest value of the integer 1-x^2

We should understand that when we talk of integers, we are referring to whole numbers.

We should understand that 0 is also an integer.

Apart from zero, any other integer we substitute for x will give the function a negative value. Only 0 will make sure that the value remains positive and as such gives the function its highest possible value

So therefore;

1-0^2 = 1-0 = 1

Hence, the greatest possible value of the expression is 1

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Knitting a scarf. On average she can knit 2 mm in 35 minutes. Express this as a rate in mm/min​
Natali5045456 [20]

Answer:

she can knit 1mm/17.5min or she can knit 1mm in 17 minutes and 30 seconds.

8 0
2 years ago
Which equation represents the line that is perpendicular to and passes through (-40,20)?
emmasim [6.3K]

The equation of the perpendicular line to the given line is: y = -5/4x - 30.

<h3>What is the Equation of Perpendicular Lines?</h3>

The slope values of two perpendicular lines are negative reciprocal of each other.

Given that the line is perpendicular to y = 4/5x+23, the slope of y = 4/5x+23 is 4/5. Negative reciprocal of 4/5 is -5/4.

Therefore, the line that is perpendicular to it would have a slope (m) of -5/4.

Plug in m = -5/4 and (x, y) = (-40, 20) into y = mx + b to find b:

20 = -5/4(-40) + b

20 = 50 + b

20 - 50 = b

b = -30

Substitute m = -5/4 and b = -30 into y = mx + b:

y = -5/4x - 30

The equation of the perpendicular line is: y = -5/4x - 30.

Learn more about about equation of perpendicular lines on:

brainly.com/question/7098341

#SPJ1

8 0
1 year ago
Two-thirds had their picture taken. If 124 had their picture taken, how many total?
Vesna [10]

Answer:

186

Step-by-step explanation:

1/3 would be 62. You get it by dividing 124 by 2.

Add the 62 onto 124

6 0
2 years ago
Simplify (2m^6)^3.
labwork [276]

Answer:

B. 8m ^ 18

Step-by-step explanation:

(2m ^6)^3 is the same as ;

(2 ^1 × m ^ 6) ^ 3.....multiply the powers 1 and 6 by 3

2 ^ (1×3) × m ^ (6×3).....this equals;

2 ^ 3 × m ^ 18

8m^18

hope this helps :)

8 0
2 years ago
Read 2 more answers
A $30 shirt is marked, "Get 25% off." What is the sale price of the shirt?
Alchen [17]
Answer : $22.50
Explanation: .30•25=7.5 30-7.5=22.5
7 0
3 years ago
Read 2 more answers
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