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AnnyKZ [126]
3 years ago
7

Please help me it would mean the world. Extra points!

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0
A = ((B+b)*h)/2
A = ((6+4)*3)/2
A = 15
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Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below. (0, -2) and
BaLLatris [955]

Answer:

y = -(5/2)x -2

Explanation:

The general formula for a straight line is y – mx + b.

The image below shows the graph of the line.

Step 1. <em>Calculate the slope</em>.

Slope = m = Δy/Δx = (y₂-y₁)/(x₂-x₁)

x₁ = 0; y₁ = -2

x₂ = -2; y₂ = 3     Calculate m

m = [3-(-2)]/(-2-0)

m = (3+2)/(-2)

m = 5/(-2)

m = -5/2

Step 2. <em>Calculate the y-intercept </em>

When x = 0, y = 2.

The y-intercept (b) is at y = -2

Step 3. <em>Write the equation </em>for the graph

y = mx + b

y = -(5/2)x - 2

3 0
3 years ago
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PLEASE HELP ! (EASY)<br><br> (x-7)^3 (x+2)^2 (x-13) &lt;0<br><br> what are the possible values of x?
Dimas [21]
Just plug the inequality in desmos and you get 7<x<13
4 0
3 years ago
Please help and thank you
mamaluj [8]

Answer:

C

Step-by-step explanation:

a is defined first as 5. So a = 5.

b is defined after the circle b = -2

a^2 = 5^2 = 25

B^4 =(- 2)^4 = 16

Therefore sqrt(a^2 * b^4) = sqrt(25 * 16) = sqrt(400) = 20

The answer is C

5 0
3 years ago
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Bezzdna [24]
Emma is 114 months old.
8 0
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What are the focus and directrix of the parabola with the equation y=1/16x^2
Vlada [557]
Y=1/16x^2
multiplying both sides by 16 we get:
16y=x^2
The general form of a parabola is:
(x-h)^2=4p(y-k)
thus
4p=16
p=4
The parabola opens upwrd:
Focus: (h,k-p)
(0,0-4)
=(0,-4)
Directrix: y=-4
8 0
3 years ago
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