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nevsk [136]
2 years ago
7

Number opposite

Mathematics
1 answer:
Alenkasestr [34]2 years ago
4 0

Answer:27

Step-by-step explanation:

27-8=19

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Find the area of the region in two ways. a. Using integration with respect to x. b. Using geometry. 9-x
Natali [406]

Answer: hello your question is incomplete attached below is the complete question

answer :

a)   \int\limits^3_0 {(10-x)-(x+4)} \, dx     ( option D )

b) A =  1/2 (6)(3)   ( option B )

c) Area of shaded region = 9

Step-by-step explanation:

<u>a) Using integration with respect to x </u>

Area =   \int\limits^7_4 {(y-4)} \, dy + \int\limits^a_7 {(10-y)} \, dy         ( note a = 10 )

          = y^2/2 - 4y |⁷₄  + 10y - y^2/2 |¹⁰₇

          = 33/2 - 12 + 30 - 51/2   = 9

hence the best integral from the options attached is option D

\int\limits^3_0 {(10-x)-(x+4)} \, dx

= [ 10x - x^2 /2 - x^2/2 - 9x ] ³₀

= 30 - 9/2 - 9/2 - 12  = 9

<u>b) Using Geometry </u>

Area = 1/2 * base * height

        = 1/2 * 6 * 3

        = 9

7 0
3 years ago
The new cylinder can has radius of 5cm and a height of 9cm how many square centimeters of aluminum will it take to make this new
m_a_m_a [10]

Answer: 282.85\ cm^2

Step-by-step explanation:

Given

Radius of cylinder r=5\ cm

The height of the cylinder is h=9\ cm

The surface area of a cylinder is 2\pi rh

If only the outer is considered then, the area required is

\Rightarrow A=2\times \dfrac{22}{7}\times 5\times 9\\\\\Rightarrow A=282.85\ cm^2

7 0
2 years ago
write the absolute value equations in the form |x-b|=c (where b is a number and c can be either number or an expression) that ha
Katena32 [7]

Answer:

b= 2x c=14x

Step-by-step explanation:

3 0
2 years ago
What is negative times x plus 7
ValentinkaMS [17]
-.x+7
-x+7=0
-x=-7
x=7...

Not too sure because of the way you wrote the question but this is the interpretation i gave it.
3 0
3 years ago
Read 2 more answers
4x + 2y = –22 and 4x + 4y = -12
mart [117]

hope it helps

plz mark brainliest

5 0
3 years ago
Read 2 more answers
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