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Ber [7]
3 years ago
14

Pls help me on this im stuck

Mathematics
2 answers:
Luden [163]3 years ago
8 0

Answer:

44 or B

Step-by-step explanation:

Look at comments above

Evgen [1.6K]3 years ago
4 0
44cm is the correct answer
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Can you pls help me with these questions?<br> I'm giving brainliest ^^
Eddi Din [679]

Answer:

A. 15, 9, 3, -3, -9

Step-by-step explanation:

That's all I know, sorry

7 0
2 years ago
Read 2 more answers
SCC U of 1 pt 3 of 1 1.2.11 Assigned Media A rectangle has a width of 49 centimeters and a perimeter of 216 centimeters. V The l
Sergeu [11.5K]

Answer:

The length is of 59 cm.

Step-by-step explanation:

Perimeter of a rectangle:

The perimeter of a rectangle with width w and length l is given by:

P = 2(w + l)

Width of 49 centimeters and a perimeter of 216 centimeters:

This means that w = 49, P = 216

The length is cm.

We have to solve the equation for l. So

P = 2(w + l)

216 = 2(49 + l)

216 = 98 + 2l

2l = 118

l = \frac{118}{2}

l = 59

The length is of 59 cm.

8 0
3 years ago
If the spinner is spun twice, what is the probability that the numbers that are spun don't match?
WITCHER [35]

Answer:

25%

Step-by-step explanation:

There are 4 spots and to get the same you would land on the same 1

Which would be 1/4=25%

Hope this helps!

6 0
3 years ago
Read 2 more answers
Integral of 17/(x^3-125)
daser333 [38]

Answer:

17/75 ln│x − 5│− 17/150 ln(x² + 5x + 25) − 17/(5√75) tan⁻¹((2x + 5) / √75) + C

Step-by-step explanation:

∫ 17 / (x³ − 125) dx

= 17 ∫ 1 / (x³ − 125) dx

= 17 ∫ 1 / ((x − 5) (x² + 5x + 25)) dx

Use partial fraction decomposition:

= 17 ∫ [ A / (x − 5) + (Bx + C) / (x² + 5x + 25) ] dx

Use common denominator to find the missing coefficients.

A (x² + 5x + 25) + (Bx + C) (x − 5) = 1

Ax² + 5Ax + 25A + Bx² − 5Bx + Cx − 5C = 1

(A + B) x² + (5A − 5B + C) x + 25A − 5C = 1

Match the coefficients and solve the system of equations.

A + B = 0

5A − 5B + C = 0

25A − 5C = 1

A = 1/75

B = -1/75

C = -2/15

So the integral is:

= 17 ∫ [ 1/75 / (x − 5) + (-1/75 x − 2/15) / (x² + 5x + 25) ] dx

Simplify:

= 17/75 ∫ [ 1 / (x − 5) − (x + 10) / (x² + 5x + 25) ] dx

Factor ½ from the numerator of the second fraction:

= 17/75 ∫ [ 1 / (x − 5) − ½ (2x + 20) / (x² + 5x + 25) ] dx

Split the fraction:

= 17/75 ∫ [ 1 / (x − 5) − ½ (2x + 5) / (x² + 5x + 25) − ½ (15) / (x² + 5x + 25) ] dx

Multiply the last fraction by 4/4:

= 17/75 ∫ [ 1 / (x − 5) − ½ (2x + 5) / (x² + 5x + 25) − 30 / (4x² + 20x + 100) ] dx

Complete the square:

= 17/75 ∫ [ 1 / (x − 5) − ½ (2x + 5) / (x² + 5x + 25) − 15 / ((2x + 5)² + 75) ] dx

Split the integral:

= 17/75 ∫ 1 / (x − 5) dx − 17/150 ∫ (2x + 5) / (x² + 5x + 25) dx − 17/5 ∫ 1 / ((2x + 5)² + 75) dx

The first integral is:

∫ 1 / (x − 5) dx = ln│x − 5│

The second integral is:

∫ (2x + 5) / (x² + 5x + 25) dx = ln(x² + 5x + 25)

The third integral is:

∫ 1 / ((2x + 5)² + 75) dx = 1/√75 tan⁻¹((2x + 5) / √75)

Plug in:

= 17/75 ln│x − 5│− 17/150 ln(x² + 5x + 25) − 17/(5√75) tan⁻¹((2x + 5) / √75) + C

4 0
3 years ago
Point P partitions the directed line segment from A to B into the ratio 3:4. Will P be closer to A or B? Why
Pani-rosa [81]
B because the distance between p to b is 1/4 of the line and the distance between p to a is 3/4 of the line
6 0
3 years ago
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