All categories

2 years ago

Find the area of the following trapezoids b1=8 cm, b2=15 cm, h=11 cm

Mathematics

1 answer:

iVinArrow [24]2 years ago

3 0

Answer:

126.5 cm2

Step-by-step explanation:

First, the equation to find the area of a trapezoid is A= 1/2(b1 + b2)h , where b1 is the first length and b2 is the second length and h is the height. For these measurements, you would simply factor them into the equation- A= 1/2(8 + 15)11. Then using pemdas, 8+15= 23... multiplied by 1/2 equalling 11.5. Then multiply 11.5 by 11 to get your answer of 126.5 then add the units.

You might be interested in

Determine the amplitude or period as requested . Amplitude of y = - 1/5 * sin x a - 1/5 1/5 b 5 d. pi/5

Brrunno [24]

Answer:

The amplitude is 1/5

Step-by-step explanation:

Given

$y = -\frac{1}{5}\sin(x)$

Required

Determine the amplitude

The general cosine function is:

$y = A\sin(k(x + c)) +d$

Where

$Amplitude = |A|$

Compare $y = A\sin(k(x + c)) +d$ and $y = -\frac{1}{5}\sin(x)$

$A = -\frac{1}{5}$

So:

$Amplitude = |-\frac{1}{5}|$

$Amplitude = \frac{1}{5}$

4 0

2 years ago

1/2 and 3/8 ccommon denominators

ser-zykov [4K]

Answer: 16 is the common denominator

4 0

2 years ago

Read 2 more answers

How many real number solutions are there to the equation y=-5x^2+8x-7

olga55 [171]

There are no real solutions

6 0

2 years ago

Read 2 more answers

The total cost of 6 pens and 3 folders a folder costs $1.15 more than a pen

faust18 [17]

1.24 maybe i hope it helps

3 0

2 years ago

3st+2su-4sv factorised

Afina-wow [57]

The first step to factorising this expression, is finding what is common in each term.
The GCF of 3, 2 and -4 is 1 therefore we will not have a coefficient of the outside terms.
Then we have st, su and sv
s is common in all of them therefore we can take out s.

So far we have s( )
Now for each term we must find what we multiply by s to reach it.
3st / s = 3t
2su / s = 2u
-4sv / s = -4v

Now just put these values inside the brackets.

s(3t + 2u - 4v)

5 0

2 years ago