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faltersainse [42]
3 years ago
11

Help...Make sure you're correct.

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Answer:

Linear function

Step-by-step explanation:

x          y              Ist difference          

-6      -27                    -                

-5      -21              -21 - (-27) = 6                    

-4      -15              -15 - (-21) = 6                

-3       -9               -9 - (-15) = 6

-2       -3               -3 - (-9) = 6

Since, Ist difference is common in the given table,

(Common difference = 6)

It's a linear function.

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Find the value of X
olchik [2.2K]
<h3>Answer:  112</h3>

=========================================================

Explanation:

The angle adjacent to the 146 degree angle is 180-146 = 34 degrees.

In other words, the angles 34 and 146 combine to 180. These angles are supplementary.

The tickmarks on this triangle tell us it is isosceles. The angles opposite the congruent sides are congruent angles. So the unmarked interior angles (not marked x) are 34 degrees each.

Now use the fact that any triangle has its interior angles always add to 180

x+34+34 = 180

x+68 = 180

x = 180-68

x = 112

5 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
Ezra deposited $30 in a savings account earning 10% interest, compounded annually.
lyudmila [28]

Answer:

$36.00

Step-by-step explanation:

10% of 30 is 6. Add that to the original amount

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3 years ago
How many solutions are in... f(x) = x² + 25
mario62 [17]
No solutions exist. Set the function equal to 0. x^2= -25. There are no real solutions to this equation.
4 0
3 years ago
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I cant see the whole question please provide more details
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