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GREYUIT [131]
2 years ago
5

The base of a parallelogram is 3.2 centimeters and the height is 1.8 centimeters. What is the area of the parallelogram? Do not

round your answer. [brainliest + 50 PTS.]
A = __ cm 2
Mathematics
2 answers:
marissa [1.9K]2 years ago
7 0

Answer:

5.76 cm^2

Step-by-step explanation:

The area of a parallelogram is the product of its base and height.

area=3.2×1.8=5.76 cm^2

jeka942 years ago
3 0

Answer:

A = 5.76 cm²

Step-by-step explanation:

3.2 cm x 1.8 cm = 5.76 cm²

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Prove that 7 + 3 root 2 is not a rational number​
Tanya [424]

Answer:

Step-by-step explanation:

let 7 + 3√2 be an rational number where

7+3√2 = a/b [ a and b are coprime and b is not equal to zero]

3√2= a/b-7

3√2 =( a-7b) /b

√2 = (a-7b) /3b .....(i)

Now ,from equation (i) ,we get that √2 is rational but we know that √2 is irrational. so actually 7 + 3√2 is irrational not rational. thus our assumption is wrong. The number is irrational.

5 0
3 years ago
Read 2 more answers
The height of a parallelogram is three times its base. If the area is 972 square inches, what is the base and height?
Fed [463]
So h is 3x 
b is x
3x plus x equal 972 
4x = 972 
243 is base 
243 times 3 is 729
8 0
3 years ago
24 pens in 2 boxes How many pens in 1 box?__________<br><br> find unit rate
gogolik [260]
24 pens divided by 2 boxes equals 12 pens per box.
8 0
2 years ago
F(-4,5), G(3,3), H(6,-4) and I(-1,-2).
lisabon 2012 [21]

I didn't mean to post the answer and can't figure out how to take it down. Somebody report it so it does go down and the question can be later answered. Thank you

4 0
3 years ago
Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h = ?16t + 160t + 12
insens350 [35]

Answer:

The time taken for the flare to hit the ground is approximately 10.7 seconds.

Step-by-step explanation:

Given : Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

To find : How long will it take for the flare to hit the ground?

Solution :

The equation  h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

The flare to hit the ground when h=0.

Substitute in the equation,

-16t^2+ 160t + 120=0

Applying quadratic formula, x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Where, a=-16, b=160 and c=120

x=\frac{-160\pm\sqrt{160^2-4(-16)(120)}}{2(-16)}

x=\frac{-160\pm\sqrt{33280}}{-32}

x=\frac{-160\pm 182.42}{-32}

x=\frac{-160+182.42}{-32},\frac{-160-182.42}{-32}

x=−0.70,10.70

Reject the negative value.

Therefore, the time taken for the flare to hit the ground is approximately 10.7 seconds.

4 0
3 years ago
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