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never [62]
3 years ago
8

I need an answer asap

Mathematics
1 answer:
bezimeni [28]3 years ago
4 0

Answer:

please what shape is this

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Find the first derivative for y = f(x). fox ) 3x² -5x-1 at a Pocat where a = 4​
Brums [2.3K]

Answer:

Step-by-step explanation:

f(x) = 3x² -5x - 1

f'(x) =2*3x - 5*1 +0

     = 6x - 5

f'(4) = 6*4 - 5

      = 24 - 5

      = 19

3 0
3 years ago
A rectangle with a width of 3 units and a length of x +5
Luden [163]

Answer:

The area is 45 units squared

Step-by-step explanation:

If the rectangle's width is 3 units, and the length is 5 times then:

5 x 3 = 15

So the length is 15 units

The area is length times width

15 x 3 = 45

The area is 45 units squared

7 0
3 years ago
The measures of interior angle of a convex pentagon are in ratio 1:2:3:4:5. Find the measures of each angle
vovangra [49]

Answer:

The angles have measurements 36, 72, 108, 144, and 180.

Step-by-step explanation:

Pentagon has 5 sides and 5 angles.

The amount of triangles formed by choosing one vertex and drawing from that vertex to every nonadjacent vertex is 3.

3(180)=540 which is the sum of the angles in a pentagon.

So since the ratio is 1:2:3:4:5, that means the angles are 1x,2x,3x,4x, and 5x.

We have the equation 1x+2x+3x+4x+5x=540 to solve.

15x=540

Divide 15 on both sides:

x=540/15

x=36

1x=36

2x=72

3x=108

4x=144

5x=180

The angles have measurements 36, 72, 108, 144, and 180.

3 0
2 years ago
I do not understand this im lost
mote1985 [20]
In such type of questions, all that you are supposed to do is, use basic mathematics to eliminate any one of the given two variables. Check out the equations if in case you can multiply any of the given ones with a -1 and add the two equations,eliminating one of the variables.
7 0
3 years ago
Read 2 more answers
Three times the square of a nonzero number is equal to twelve times the number.
dedylja [7]
Well if you write the statement as an equation then that will get you

3*x^2 = 12x

Now we just solve.  You can divide both sides by 3x and that gives you x = 4
6 0
3 years ago
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