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brilliants [131]
3 years ago
6

Simplify the expression below: (3k2 – 2k + 5) - (2k2 – 5k + 1)​

Mathematics
1 answer:
Minchanka [31]3 years ago
8 0

Answer:

(3k² - 2k + 5) - (2k² - 5k + 1)

k² + 3k + 4 is the answer in simplify this expression

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Seven less than the product of a number n and
SVETLANKA909090 [29]

Answer:

(n-7) ≤ 95

Step-by-step explanation:

We need to write the expression for the given statement.

Seven less than the product of a number n and  1 means (n-7).

It is no more than 95. No more than 95 means less than or equal to i.e.

(n-7) ≤ 95

Hence, the above inequality shows the given statement.

5 0
3 years ago
I don't get how you draw it and Label it
larisa [96]
What would you like me to draw and label?
3 0
3 years ago
Which equation represents a line which is parallel to the line x-3y=15?
LekaFEV [45]

Step-by-step explanation:

Two lines that are parallel have the same slope. If we make x - 3y = 15 in to slope-intercept form it'll be like this:

x - 3y = 15 \\ -3y = 15 - x \\ y = \frac{15 - x}{-3} \\ y = \frac{1}{3}x - 5

Now we know y = \frac{1}{3}x - 5\\ as its slope-intercept form we can see the slope is \frac{1} {3}\\.

y = \frac{1}{3}x + 4\\ has the same slope as y = \frac{1}{3}x - 5\\ so they are both parallel.

<h3>Answer:</h3>

y = \frac{1}{3}x + 4\\

6 0
3 years ago
If the mountain is 1,200 feet tall, find the length of the ski lift
Nina [5.8K]
The length of the sky lift is 3.387.05 ft
Step-by-step explanation;
By an online search, i found that the sky lift
rises at an angle of 20.75 degrees.
Then we can think on a triangle rectangle, such
that:
One cathetus is 1200ft, this is the opposite
cathetus to the angle of 20.75°
The length of the ski lift would be the
hypotenuse of this triangle rectangle.
Then we can use the relationship:
Sin(a) = opposite cathetus/hypoteuse.
such that:
a = 20.75°
opposite cathetus=1200ft
then:
sin(20.75°) = 1200ft/hypotenuse
hypotenuse =1200ft/sin(20.759) =3.387.05 ft
The length of the sky lift is 3.387.05 ft
7 0
3 years ago
Y=mx+b. what is the slope of m in this equation. X+1/5y=-6
Kryger [21]
Get Y by itself, so move X
Equation should look like 1/5y= x-6
Multiply by 1/5
Y = 5x-30
4 0
3 years ago
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