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Dahasolnce [82]
3 years ago
15

What is the area of the parallelogram?

Mathematics
1 answer:
Fed [463]3 years ago
8 0

Answer:80cm^2

Step-by-step explanation:

Area of a parallelogram=base×height

In the above diagram we were given a base of 16cm and height of 5cm

Therefore area of the parallelogram=16×5 which is equal to 80cm^2

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Pls help me, if you get it right I will give you Brainlist!​
Bad White [126]

Answer:

B. 31.4

Step-by-step explanation:

● you use the equation to find the circumstance of a circle so 2(pi)r.

● plug in the numbers into the equation 2(3.14)(5)

● evaluate. 2(15.70) = 31.4

4 0
2 years ago
The product of some negative number and 4 less than twice that number is 336. Find the number.
Dennis_Churaev [7]

Let the number be 'x'

Since, the product of number and 4 less than twice that number is 336.

x \times [(2 \times x) -4] = 336

x[2x -4] = 336

2x^2 -4x- 336=0

x^2-2x-168=0

Now, we will split the middle term, we get

x^2-14x+12x-168=0

x(x-14)+12(x-14)=0

(x-14)(x+12)=0

So, (x-14)=0 or (x+12)=0

So, x = 14 or x = -12

Therefore, the negative number is '-12'.

7 0
3 years ago
(-5)+(-4)=<br> (-3)+(+1)=<br> (-2)+(-7)=
Alex73 [517]

Answer:

(-5)+(-4)= -9

(-3)+(+1)= -2

(-2)+(-7)= -9

Step-by-step explanation:

4 0
3 years ago
Trees are subjected to different levels of carbon dioxide atmosphere with 6% of them in a minimal growth condition at 350 parts
podryga [215]

Answer:

Mean = 528 ppm

Standard deviation = 90.8 ppm

Step-by-step explanation:

Assuming a basis of 100 trees

6 trees with 350 ppm (minimal growth)

10 trees with 450 ppm (slow growth)

47 trees with 550 ppm (moderate growth)

37 trees with 650 ppm (rapid growth)

Mean = xbar = Σx/N

x = each variable

xbar = mean

N = number of variables = 100

Σx = sum of all variables = sum of all the ppm = (6×350) + (10×450) + (47×550) + (37×550) = 52800

xbar = 52800/100 = 528 ppm

Standard deviation = σ = √[Σ(x - xbar)²/N]

x = each variable

xbar = mean = 528

N = number of variables = 12

Σ(x - xbar)² = [6(350 - 528)²] + [10(450 - 528)²] + [47(550 - 528)²] + [37(650 - 528)²] = 824400

σ = √[Σ(x - xbar)²/N] = √(824400/100) = 90.8 ppm

5 0
3 years ago
Hey I’m confused can you guys help?
loris [4]

Step-by-step explanation:

Volume is calculated by finding out the product of length, width and height so

the correct option is B.

B. The volume is the product of the area of the base, 3x(3x + 4) and the height, 3x - 1.

Hope it will help :)

7 0
3 years ago
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