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Maslowich
3 years ago
5

Lon: f(x) = 2x2 + 1 The answer?

Mathematics
1 answer:
ZanzabumX [31]3 years ago
8 0

Answer:

Step-by-step explanation:

then the answer is 5

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Please help! / 50 points
lutik1710 [3]

Answer:

Solution given:

radius [r]=4

height [h]=5

we have

Surface area of cylinder=2πr(r+h)

=2π×4(4+5)

=<u>72πunits³ is a required volume.</u>

3 0
3 years ago
Help me, please lol i really need help
yan [13]

Answer:

honestly I THINK it's the first one

4 0
3 years ago
Evaluate the expression.<br> (-5)(5) +5=
Ierofanga [76]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

(-5)(5) +5  Equation

Step 2

(-5)(5) +5 Simplify

(-5)(5) +5

Step 3

(-5)(5) +5  Add and multiply them

(-25)+5

answer

-20

8 0
3 years ago
Enter the slope-intercept equation for the image of line ℓ after a clockwise rotation of 90°. (Hint: To find the image of line ℓ
Free_Kalibri [48]

Answer:

y = -2x - 2

Step-by-step explanation:

From the graph attached,

If the line 'l' passes through two points A(0, -1) and B(4, 1).

Rule for the rotation of any point (x, y), 90° clockwise about the origin is,

(x, y) → (y, -x)

By this rule,

A(0, -1) → A'(-1, 0)

B(4, 1) → B'(1, -4)

Let the equation of the line A'B' is,

y - y' = m(x - x')

where m = slope of the line A'B'

And (x', y') is a point lying on the line.

Slope of the line passing through A' and B' will be,

m = \frac{y_2-y_1}{x_2-x_1}

m = \frac{0+4}{-1-1}

m = -2

Therefore, equation of the line passing through (-1, 0) and slope = -2,

y - 0 = (-2)(x + 1)

y = -2x - 2

So the equation of the line after rotation of lie 'l' by 90° clockwise will be,

y = -2x - 2

7 0
3 years ago
Verify the property a x (b+c) =(a x b)+(a x c) by taking: a = -7, b = (2/5), c = (-3/7)
Margaret [11]
(-7)*(2/5 + (-3/7))
= -14/5 + 3
=1/5
5 0
3 years ago
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