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3 years ago

Need help again ASAPPPP!!!!!!

Mathematics

2 answers:

Olenka [21]3 years ago

4 0

Answer:

A and B. 3/~250

Step-by-step explanation:

Since X cube is 250 and to find x, we have to use a calculator to cube root 250 and it's 6.299.

Once you solve the sum in A and B, you will get 6.299. C will give 10.772 while D gives 53.86.

Ronch [10]3 years ago

4 0

Answer:

option A and B

Step-by-step explanation:

here's your solution

=> X^3 = 250

=> X = 3√250

=> X = 3√(2*5*5*5)

=> X = 5(3√5)

hope it helps

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Find the area bounded by the given curves: y=2x−x2,y=2x−4

Andrej [43]

Answer:

$A = [\frac{32}{3}]$

Step-by-step explanation:

Given

$y_1 = 2x - x^2$

$y_2 = 2x - 4$

Required

Determine the area bounded by the curves

First, we need to determine their points of intersection

$2x - x^2 = 2x - 4$

Subtract 2x from both sides

$-x^2 = -4$

Multiply through by -1

$x^2 = 4$

Take square root of both sides

$x = 2$ or $x = -2$

This Area is then calculated as thus

$A = \int\limits^a_b {[y_1 - y_2]} \, dx$

Where a = 2 and b = -2

Substitute values for $y_1$ and $y_2$

$A = \int\limits^a_b {(2x - x^2) - (2x - 4)} \, dx$

Open Brackets

$A = \int\limits^a_b {2x - x^2 - 2x + 4} \, dx$

Collect Like Terms

$A = \int\limits^a_b {2x - 2x- x^2 + 4} \, dx$

$A = \int\limits^a_b {- x^2 + 4} \, dx$

Integrate

$A = [-\frac{x^{3}}{3} +4x](2,-2)$

$A = [-\frac{2^{3}}{3} +4(2)] - [-\frac{-2^{3}}{3} +4(-2)]$

$A = [-\frac{8}{3} +8] - [-\frac{-8}{3} -8]$

$A = [\frac{-8+ 24}{3}] - [\frac{8}{3} -8]$

$A = [\frac{-8+ 24}{3}] - [\frac{8-24}{3}]$

$A = [\frac{16}{3}] - [\frac{-16}{3}]$

$A = [\frac{16}{3}] + [\frac{16}{3}]$

$A = [\frac{16 + 16}{3}]$

$A = [\frac{32}{3}]$

Hence, the Area is:

$A = [\frac{32}{3}]$

7 0

4 years ago

345 divided by 5, answer in standard form

Drupady [299]

Answer:

345 divided by 5, answer in standard form

69 ....

3 0

3 years ago

Read 2 more answers

A rectangle has a width of 44 centimeters and a perimeter of 180 centimeters what is the rectangle length

Mumz [18]

If the width of a rectangle is 44 cm, multiply that by 2 for the other side and you have 88. 180 - 88 = 92, so divide that by 2 for each side and the length is 46 cm.

4 0

3 years ago

Joe's hot dog stand is one open for lunch.of today's sale, 26% came from selling plain hit dogs. Since the hot dog stand made 45

Free_Kalibri [48]

Find the 100% of that. Since plain hot dog is just 26% of total. So $45.50 multiplied by 100/26. Which is $175

3 0

4 years ago

Can some one help me plz I really need help

Sonbull [250]

1. 2x + 50 = 100
subtract 50 on both sides and then divide by 2.

x = 25

180 - 100 = 80

m
2. 7x - 4 = 87
add 4 on both sides and divide by 7.

x = 13

180 - 87 = 93

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3. 5x - 2 = 38
add both sides by 2 and divide by 5.

x = 8

180 - 38 = 142

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4. 14 + 6x = 134
subtract both sides by 14 and divide by 6.

x = 20

180 - 134 = 46

m
5. x = 53

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6. x = 14

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6 0

3 years ago