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4 years ago

How do i find the area of a trapezoid? please make your answer simple yet descriptive...

Mathematics

1 answer:

Vera_Pavlovna [14]4 years ago

4 0

A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h

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Find the slope of the line.

Virty [35]

Answer:

The Slope of a line formula is given by

m=y2 - y1/ x2 - x1

Now Form a triangle using the straight line(It'd be best if you choose known Points on the graph)

Picking points (1, 2) and (2, 5) connect these points and you'll have a small triangle.

x1 y1 x2 y2

Substituting into the formula

m=5-2/2-1

m=3.

3 0

3 years ago

A circle is drawn within a square as shown.

alukav5142 [94]

Answer:

168.56 in²

Step-by-step explanation:

The area will be found by subtracting the area of the circle from the area of the square.

The area of the square will be given by A = 28(28) = 784 in².

The area of the circle will be given by A = 3.14(14²) = 3.14(196) = 615.44 in².

The area of the shaded portion is given by

784-615.44 = 168.56 in²

4 0

3 years ago

Read 2 more answers

Animal populations are not capable of unrestricted growth because of limited habitat and food supplies. Under such conditions th

trasher [3.6K]

Answer:

(a) 100 fishes

(b) t = 10: 483 fishes

t = 20: 999 fishes

t = 30: 1168 fishes

(c)

$P(\infty) = 1200$

Step-by-step explanation:

Given

$P(t) =\frac{d}{1+ke^-{ct}}$

$d = 1200\\k = 11\\c=0.2$

Solving (a): Fishes at t = 0

This gives:

$P(0) =\frac{1200}{1+11*e^-{0.2*0}}$

$P(0) =\frac{1200}{1+11*e^-{0}}$

$P(0) =\frac{1200}{1+11*1}$

$P(0) =\frac{1200}{1+11}$

$P(0) =\frac{1200}{12}$

$P(0) = 100$

Solving (a): Fishes at t = 10, 20, 30

$t = 10$

$P(10) =\frac{1200}{1+11*e^-{0.2*10}} =\frac{1200}{1+11*e^-{2}}\\\\P(10) =\frac{1200}{1+11*0.135}=\frac{1200}{2.485}\\\\P(10) =483$

$t = 20$

$P(20) =\frac{1200}{1+11*e^-{0.2*20}} =\frac{1200}{1+11*e^-{4}}\\\\P(20) =\frac{1200}{1+11*0.0183}=\frac{1200}{1.2013}\\\\P(20) =999$

$t = 30$

$P(30) =\frac{1200}{1+11*e^-{0.2*30}} =\frac{1200}{1+11*e^-{6}}\\\\P(30) =\frac{1200}{1+11*0.00247}=\frac{1200}{1.0273}\\\\P(30) =1168$

Solving (c): $\lim_{t \to \infty} P(t)$

In (b) above.

Notice that as t increases from 10 to 20 to 30, the values of $e^{-ct}$ decreases

This implies that:

${t \to \infty} = {e^{-ct} \to 0}$

So:

The value of P(t) for large values is:

$P(\infty) = \frac{1200}{1 + 11 * 0}$

$P(\infty) = \frac{1200}{1 + 0}$

$P(\infty) = \frac{1200}{1}$

$P(\infty) = 1200$

5 0

3 years ago

Whats the square root of 196/14

PilotLPTM [1.2K]

Answer:

if you mean the square root of 196 divided by 14

then that equals 14 and the square root of 14 is

3.74

Step-by-step explanation:

4 0

3 years ago

Please I need help <br> I will mark you brainliest

VladimirAG [237]

Answer:

you would subtract 7.4 from 7.4 and from 10.4 which leaves you with 1.25x=3 and then you would divide both side by 1.25 and that cancels out the 1.25 and leave you with 2.4 and you can plug 2.4 into x and it will equal 10.4

Step-by-step explanation:

7 0

3 years ago