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3 years ago

Evaluate the expression given below for x=3 3(2+5x)

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

8 0

Answer:

Step-by-step explanation:

My name is Ann [436]3 years ago

7 0

51 because 3(2+5(3) ) 3(2+15) 3(17)= 51

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find the exact atea under y=x^2 on the interval [0,2] by using an infinite number of circumscribed rectangles. (Hint: 1^2 + 2^2

sergeinik [125]

Answer: $\bold{\dfrac{8}{3}}$

Step-by-step explanation:

$\int\limits^2_0 {x^2} \, dx =\dfrac{x^3}{3}\bigg|^2_0=\bigg(\dfrac{2^3}{3}\bigg)-\bigg(\dfrac{0^3}{3}\bigg)=\dfrac{8}{3}-0=\dfrac{8}{3}$

NOTE: Neither the Trapezoidal Rule or Reimann Sums can be used without the number of rectangles (n) you are separating the interval into. Besides, they only provide an estimate. If you want the EXACT area, you must use integration.

8 0

3 years ago

Read 2 more answers

Another ez 10 pnts :D

horsena [70]

Answer:

$\frac{6}{5}$

Step-by-step explanation:

1.Turn the 9 into a fraction

$\frac{2}{15} *\frac{9}{1}$

2.factor the bigger numbers.

$\frac{2}{3*5} *\frac{3*3}{1}$

3.Cancel out the common factor(3)

$\frac{2}{5} * \frac{3}{1}$

4.multiply across

$\frac{2}{5} *\frac{3}{1} =\frac{6}{5}$

4 0

3 years ago

What is the greatest common factor shared by 40 and 20? Answer here SUBMIT

leonid [27]

Answer:

Step-by-step explanation:

factors of 20 = 1 2 4 5 10 20

factors of 40 = 1 2 4 5 8 20 10

therefore 20 is the greatest common

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2 years ago

Which ratios (2) would be used in a proof to prove the Pythagorean Theorem?

fredd [130]

Answer:

(a+b)2 = 4⋅1/2ab+c2 ⇔c2=a2+b2

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3 years ago

X+2y=0 12y= -6x Plzzz this is due 11:59

yanalaym [24]

Answer:1. X+2y=0 answer:−2y 2. 12y= -6x answer:x=−2y

Step-by-step explanation:

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3 years ago