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Alex
3 years ago
11

Hurry which one A.24 B.60 C.80 D.114

Mathematics
2 answers:
forsale [732]3 years ago
5 0
A is the correct answer
Stolb23 [73]3 years ago
3 0
1/2 x base x height

1/2 x 6 x 8 = 24 (a)
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When a whole number is multiplied by 104, how does the placement of the decimal point change?
Vera_Pavlovna [14]

Answer:

d

Step-by-step explanation:


6 0
3 years ago
Please help me do it
Lana71 [14]

Step-by-step Explanation:

We are going to solve this problem using integration by parts. We can write the integrand as

\dfrac{4x}{x^2+4x+3} = \dfrac{4x}{(x+3)(x+1)}

\:\:\:\:\:\:\:\:\:\:\:\:\:= \dfrac{A}{x+3} + \dfrac{B}{x+1}

\:\:\:\:\:\:\:\:\:\:\:\:\:= \dfrac{Ax + A + Bx + 3B}{x^2+4x+3}

\:\:\:\:\:\:\:\:\:\:\:\:\:=\dfrac{(A+B)x + (A+3B)}{x^2+4x+3}

Comparing the above term to the left hand side, we can see that

(A + B)x = 4x

A + 3B = 0

Solving for A and B, we find that A = 6 and B = -2 so our integrand becomes

\dfrac{4x}{x^2+4x+3} = \dfrac{6}{x+3} - \dfrac{2}{x+1}

We can now easily integrate this expression as follows:

\displaystyle \int{\dfrac{4x}{x^2+4x+3}}dx = 6\int{\dfrac{dx}{x+3}} - 2\int{\dfrac{dx}{x+1}}

\:\:\:\:\:\:\:\:\:\:\:\:\:= 6\ln|x+3| - 2\ln|x+1| + C

7 0
2 years ago
A circle has an area of 2290.221. What is the radius? (round to the nearest whole number)
erica [24]

Answer: 27

Step-by-step explanation:

use the formula for the area of circle and solve for r: A=pi r^2

2290.221=pir^2 <---divide by pi

729=r^2 <--- square root both sides

27=r

8 0
3 years ago
Andy is studying a quadrilateral with the vertices A (6,1),B (8,2),C (9,4) and D (7,3). Which statement explains how Andy could
insens350 [35]
All sides are equal in length.
6 0
3 years ago
Ariyonne claims that (3, 6) is the point of intersection of the two lines below. Is she correct? How do
ioda

Answer:

she's wrong

Step-by-step explanation:

4 - 2 < 5

5 0
3 years ago
Read 2 more answers
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