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4 years ago

The value of n is a distance of 2 units from -1 on a number line. Which numbers could be the value of n?

Mathematics

1 answer:

katovenus [111]4 years ago

5 0

- 3 and + 1

a distance of 2 from - 1 can be left or right of - 1

2 units left = - 1 - 2 = - 3

2 units right = - 1 + 2 = + 1

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When a can of soup is half full it weighs 8kg. when it is two fifths full it weighs 7 kg. what is the weight of the full can?

Sati [7]

14 kg because 2/5 equals 0.4 and 0.1 equals about 1 kg so I add 0.6 which equals 6 kg so i add 8 kg to 6 kg and get 14 kg

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3 years ago

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If f (x) is a one-to-one function and f (8) = -2 then which of the following points

Lerok [7]

Answer:

I think it is -2,8

Step-by-step explanation:

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3 years ago

Select the two values of x that are roots of this equation. 2x^2-11x+15=0

zaharov [31]

Hey there! :)

Answer:

x = 5/2 and 3.

Step-by-step explanation:

Factor the equation. Find numbers that will sum up to -11 involving the coefficient of 2, and that multiply into 15.

2x² - 11x + 15 = 0

(2x - 5)(x - 3) = 0

Use the Zero Product Property to solve for the roots of this equation:

2x - 5 = 0

2x = 5

x = 5/2

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x - 3 = 0

x = 3.

Therefore, the two values of x that are roots of this equation are:

x = 5/2 and 3.

4 0

3 years ago

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Write an equation in slope-intercept form of the line that contains the point (-2, 2) and has the slope = -5.

vichka [17]

Answer:

$y=-5x-8$

Step-by-step explanation:

Given the following question:

To calculate the slope intercept of a line/point we need to use the formula for slope intercept, substitute, and solve for b.

Formula for slope intercept:
$y=mx+b$
$m=-5$
$y=2$
$x=-2$
$2=-5(-2)+b$

Solve for b:
$2=-5(-2)+b$
$-5(-2)=10$
$2=10+b$
$10-10=0$
$2-10=-8$
$-8=b$
$b=-8$

Substitute for the following:
$y=mx+b$
$b=-8$
$m=-5$
$y=-5x-8$

Your answer is "y = -5x - 8."

Hope this helps.

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2 years ago

In what quadrant does 320 degree belong?

Dahasolnce [82]

320 is on the Fourth quadrant:)

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3 years ago

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