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Rus_ich [418]
3 years ago
12

If / (x) = 2(x)2 +5/(x+2), complete the following statement: f2) = _

Mathematics
1 answer:
kogti [31]3 years ago
7 0

Answer:

18

Step-by-step explanation:

f(x) = 2(x)^2 +5 sqrt(x+2)

Let x =2

f(2) =2(2)^2 +5 sqrt(2+2)

    = 2 *4 + 5 (sqrt(4))

    = 8 + 5*2

    = 8 + 10

   = 18

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The number of pens used varies directly with the number of pieces of paper needed. If 12 pens are used when 40 pieces of paper a
svetlana [45]

Answer:


Step-by-step explanation:

Y=KX


P=KX

12=K40

12/40=K

.3=K

P=.3X

P=.3(240)

P=72

6 0
3 years ago
Help please !!!!!!!!!!!!!!
DIA [1.3K]

The LCM will be the values that are common to both factors. From the given values the LCM will be 2² * 3² * 5

<h3>Least common multiple</h3>

LCM is the lowest number that can divide all other numbers given in an  expression.

Given the prime factorizations 2² * 3² * 5 and 2*3*5. The LCM will be the values that are common to both factors.

From the given values the LCM will be 2² * 3² * 5

Learn more on LCM here: brainly.com/question/233244

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8 0
2 years ago
A walking path across a park is represented by the equation y=-3x - 3. A
luda_lava [24]

Answer:

y = (1/3)x + 7

Step-by-step explanation:

The general structure form of a line in slope-intercept form is:

y = mx + b

In this form, "m" represents the slope and "b" represents the y-intercept.

The slope of a perpendicular line is the opposite-signed, reciprocal of the original line's slope. Therefore, if the slope of the original line is m = -3, the new slope is m = 1/3.

The y-intercept can be found by plugging the new slope and the values from the point (-3, 6) into the slope-intercept form equation.

m = 1/3

x = -3

y = 6

y = mx + b                                  <----- Slope-intercept form

6 = (-3)(1/3) + b                           <----- Insert values

6 = -1 + b                                    <----- Multiply -3 and 1/3

7 = b                                           <----- Add 1 to both sides

Now, that you have the slope and y-intercept, you can construct the equation of the perpendicular line.

y = (1/3)x + 7

7 0
1 year ago
Read 2 more answers
Which fraction is equivalent to negative 7 over 8 ? (1 point)
Alja [10]
The answer is -7/8\= 7/-8 Thank you!
6 0
3 years ago
Read 2 more answers
Shaikha sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Khalid sold 9 packages of sugar cookies and
ale4655 [162]

Answer:

The system that can be used is:

10x + 2y = 56

9x + 3y = 60

Step-by-step explanation:

We have that:

x is the price of a package of sugar cookies, y is the price of a package of oatmeal cookies.

Shaikha sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56.

This means that:

10x + 2y = 56

Khalid sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60.

This means that 9x + 3y = 60

System that can be used:

The system that can be used is:

10x + 2y = 56

9x + 3y = 60

4 0
3 years ago
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