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1 year ago

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Mathematics

1 answer:

lubasha [3.4K]1 year ago

5 0

Answer:

13.1

Step-by-step explanation:

A = bh

~~~~~~~

$b_{1}$ = 16 , $h_{1}$ = 9

A = 16 × 9 = 144

From another side area of parallelogram with hight "h" base "b"

11h = 144

h = 144 ÷ 11 ≈ 13.1

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How many cups are in 3 gallons? 1 gallon = 16 cups Label your answer in cups.

shepuryov [24]

Answer:

48 cups

Step-by-step explanation:

16 times 3

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3 years ago

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PLEASE HELP!! Sin <k= A. 1/2 B. (sqrt3)/3 C. 2 D. 2sqrt3

algol [13]

Answer:

1/2

Step-by-step explanation:

Sine is opposite over hyp.

So the opp is 5 and the hyp is 10

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2 years ago

The length of a rectangle is five times it’s width if the area of the rectangle is 320m^2 find its perimeter

BlackZzzverrR [31]

Answer:

Perimeter of the rectangle = 96 meters.

Step-by-step explanation:

Let the width of the rectangle = K

So, the length of the rectangle = 5K

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Now, Area of a Rectangle = Length x Width

⇒ 320 = K x 5K

or, $5K^{2} = 320\\or, K^{2} = \frac{320}{5} = 64$

So, the vlue of K = 8 or, K = -8

But as K represents a length hence, K ≠ -8

So, the width of the rectangle = 8 meters

and the length of the rectangle = 8 x 5 = 40 meters

Now, Perimeter = 2(length + width)

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6 0

3 years ago

Determine whether the following statements are true and give an explanation or a counter example. a. The Trapezoid Rule is exact

Norma-Jean [14]

Answer:

statement is TRUE

statement is FALSE

statement is TRUE

Step-by-step explanation:

(a)

By using the Trapezoidal Rule, the definite integral can be computed by applying linear interpolating formula on each sub interval, and then sum-up them, to get the value of the integral

So, in computing a definite integral of a linear function, the approximated value occurred by using Trapezoidal Rule is same as the area of the region. Thus, the value of the definite integral of a linear function is exact, by using the Trapezoidal Rule.

Therefore, the statement is TRUE

(b) Recollect that for each rule of both the midpoint and trapezoidal rules, the number of sub-internals, n increases by a factor of a. then the error decreases by a factor of a^2.

So, for the midpoint rule, the number of sub-intervals, n is increased by a factor of 3, then the error is decreased by a factor of 32 = 9, not 8. Therefore, the statement is FALSE

(c) Recollect that for each rule of both the midpoint and trapezoidal rules, the number of sub-internals, n increases by a factor of a. then the error decreases by a factor of a^2.

So, for the trapezoidal rule, the number of sub-internals, n is increased by a factor of 4. then the error is decreased by a factor of 42 = 16

Therefore, the statement is TRUE

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3 years ago

50 pounds to 35 pounds percent change

lakkis [162]

So change from 50 to 35
first find change
50-35=15
50=100%
15=x%
percent means parts out of 100

15 out of 50=x/100
15/50=x/100
30/100=x/100
30=x
the answer is 30% change

5 0

3 years ago