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Rudiy27
3 years ago
10

Hey loves!!! Plz help if you have the time.<3

Mathematics
1 answer:
Airida [17]3 years ago
6 0

Answer:

The first and last answer.

Step-by-step explanation:

If you look closely at the triangles you can tell which ones are the same and which differ.

Hope this helps!! <3

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I am in middle school
lesantik [10]

Answer:

1.25 per pound

Step-by-step explanation:

6 0
3 years ago
Expand the following : 2( x-1)
zloy xaker [14]

Answer:

2x-2

Step-by-step explanation:

2 * x + 2 * -1

=2x - 2

6 0
4 years ago
Read 2 more answers
The height and sides of a triangle are four consecutive integers. the height is the first integer, and the base is the third int
Maru [420]

Answer:

  84 in²

Step-by-step explanation:

The side lengths of the triangle are 3 consecutive integers whose sum (the perimeter) is 42. The average of those integers, 42/3 = 14, is the middle of the three, so they are 13, 14, 15. We're told the perimeter is in inches, so all of these dimensions are inches.

These are the last three of 4 consecutive integers, so the first, the height of the triangle, is 12. The base of the triangle is the 3rd of the four integers, so is 14. Then the area is ...

  A = (1/2)bh = (1/2)(14)(12) = 84 . . . . . square inches.

5 0
3 years ago
What is the derivative of y with respect to x if y = 2/X4
zepelin [54]
You're correct, the answer is C.

Given any function of the form y=x^n, then the derivative of y with respect to x (\frac{dy}{dx}) is written as:
\frac{dy}{dx}=nx^n^-^1

In which n is any constant, this is called the power rule for differentiation.

For this example we have y= \frac{2}{x^4}, first lets get rid of the quotient and write the expression in the form y=x^n:
y= \frac{2}{x^4} =2x^-^4

Now we can directly apply the rule stated at the beginning (in which n=-4):
\frac{dy}{dx}=(2)(-4)x^{-4-1}=-8 x^{-5}= -\frac{8}{x^5}

Note that whenever we differentiate a function, we simply "ignore" the constants (we take them out of the derivative).
6 0
3 years ago
SOLVE: 5^(2x) = 7^(x−1)
Alexandra [31]
Very simple the answer is
x=-1.53
5 0
3 years ago
Read 2 more answers
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