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pychu [463]
3 years ago
8

What is the absolute value function?

Mathematics
1 answer:
IRINA_888 [86]3 years ago
8 0

Answer:

c

Step-by-step explanation:

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Question is in the Picture.<br><br> A<br><br> B<br><br> C<br><br> D
oee [108]
B because 2 and 1/3 is 7/3 as an improper fraction times 4 is 28/3 and as a mixed number it is 9 and 1/3
7 0
3 years ago
Read 2 more answers
5÷x-4 - 2÷x+2 = 4÷x-4
Alborosie
I'd suggest you begin by subtracting 4 / (x-4) from both sides.  Doing that would leave you with    1 / (x-4)   -     2 / (x+2) =  0.

LCD is (x-4)(x+2).  Mult. all three terms by (x-4)(x+2).  The resulting equation is 

x+2 - 2(x-4) = 0.     Then x+2 = 2x - 8  =>  x = 10

Subst. 10 for x in the original equation to verify that 10 is indeed a solution.


8 0
3 years ago
A heavy rope, 30 ft long, weighs 0.4 lb/ft and hangs over the edge of a building 80 ft high. Approximate the required work by a
gizmo_the_mogwai [7]

Answer:

180 fb*lb

45 ft*lb

Step-by-step explanation:

We have that the work is equal to:

W = F * d

but when the force is constant and in this case, it is changing.

 therefore it would be:

W = \int\limits^b_ a {F(x)} \, dx

Where a = 0 and b = 30.

F (x) = 0.4 * x

Therefore, we replace and we would be left with:

W = \int\limits^b_a {0.4*x} \, dx

We integrate and we have:

W = 0.4 / 2 * x ^ 2

W = 0.2 * (x ^ 2) from 0 to 30, we replace:

W = 0.2 * (30 ^ 2) - 0.2 * (0 ^ 2)

W = 180 ft * lb

Now in the second part it is the same, but the integral would be from 0 to 15.

we replace:

W = 0.2 * (15 ^ 2) - 0.2 * (0 ^ 2)

W = 45 ft * lb

6 0
3 years ago
Find the distance between the point.(5,5) amd the line -3x-4y+10=0
gayaneshka [121]

Answer:

5

Step-by-step explanation:

the formula of the distance between

the point (p, q) and the line ax + by +c = 0 =>

d = |p.a + q.b +c| / √(a²+b²)

d = |5(-3)+5(-4)+10| / √[(-3)²+(-4)²]

= |(-15-20+10)|/√25

= |-25|/ 5

= 25/5

= 5

6 0
3 years ago
What is 2 5/8 - 2 3/12?
Marianna [84]

Answer:

9/24

Step-by-step explanation:

First, find the LCD: 24.

24/8=3. 3*5=15. So, 2 5/8 becomes 2 15/24.

24/12=2. 2*3=6. So, 2 3/12 becomes 2 6/24.

2 15/24 - 2 6/24 = 9/24.

7 0
3 years ago
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