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4 years ago

I need the answer for a b and c thanks!

Mathematics

1 answer:

Nana76 [90]4 years ago

7 0

Median means middle, the center line is at 3 indicating median. With box-and-whiskers plots minimum [0] and maximum [6] are marked by the farthest apart values. The other lines are quartile marks. [2.25 & 4.75]

A: 3
B: Q1=2.25, Q2=4.75
C: min=0, max=6

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If X²⁰¹³ + 1/X²⁰¹³ = 2, then find the value of X²⁰²² + 1/X²⁰²² = ?

enyata [817]

Step-by-step explanation:

$\bf➤ \underline{Given-} \\$

$\sf{x^{2013} + \frac{1}{x^{2013}} = 2}\\$

$\bf➤ \underline{To\: find-} \\$

$\sf {the\: value \: of \: x^{2022} + \frac{1}{x^{2022}}= ?}\\$

$\bf ➤\underline{Solution-} \\$

Let us assume that:

$\rm: \longmapsto u = {x}^{2013}$

Therefore, the equation becomes:

$\rm: \longmapsto u + \dfrac{1}{u} = 2$

$\rm: \longmapsto \dfrac{ {u}^{2} + 1}{u} = 2$

$\rm: \longmapsto{u}^{2} + 1 = 2u$

$\rm: \longmapsto{u}^{2} - 2u + 1 =0$

$\rm: \longmapsto {(u - 1)}^{2} =0$

$\rm: \longmapsto u = 1$

Now substitute the value of u. We get:

$\rm: \longmapsto {x}^{2013} = 1$

$\rm: \longmapsto x = 1$

Therefore:

$\rm: \longmapsto {x}^{2022} + \dfrac{1}{ {x}^{2022} } = 1 + 1$

$\rm: \longmapsto {x}^{2022} + \dfrac{1}{ {x}^{2022} } = 2$

★ Which is our required answer.

$\textsf{\large{\underline{More To Know}:}}$

(a + b)² = a² + 2ab + b²

(a - b)² = a² - 2ab + b²

a² - b² = (a + b)(a - b)

(a + b)³ = a³ + 3ab(a + b) + b³

(a - b)³ = a³ - 3ab(a - b) - b³

a³ + b³ = (a + b)(a² - ab + b²)

a³ - b³ = (a - b)(a² + ab + b²)

(x + a)(x + b) = x² + (a + b)x + ab

(x + a)(x - b) = x² + (a - b)x - ab

(x - a)(x + b) = x² - (a - b)x - ab

(x - a)(x - b) = x² - (a + b)x + ab

6 0

3 years ago

Can someone help me with these

vampirchik [111]

Answer: x-intercept is -9

Step-by-step explanation: To find the x intercept y is 0 and to find the y intercept x is 0. 18 divided by -2 is -9, which is the answer

3 0

4 years ago

Math Problem:

kirza4 [7]

Answer:

Her answer is not reasonable. Her average is 83.

Step-by-step explanation:

Add all of her test grades together (96+82+78+76=332)

To find the average, you need to add all test grades she got and then divide the sum by the total number of numbers added (in this case, we added 4 tests together, so we need to divide by 4)

$\frac{332}{4} =83$

So she added wrong and forgot to divide by the total number of tests.

3 0

3 years ago

A. 3.75 x 10 = B. 3.75 - 10 = C. 2.5 - 10 = D. 2.5 + 100 = E. 8.75 + 10 =

ratelena [41]

Answer:

see below

Step-by-step explanation:

A. 3.75 * 10 = 37.5

B. 3.75 - 10 = -6.25

C. 2.5 - 10 = -7.5

D. 2.5 + 100 = 102.5

E. 8.75 + 10 = 18.75

8 0

3 years ago

Read 2 more answers

The kelso building costs 84.5 million to build, the jones building costs 33.8 million

Dominik [7]

Kelso / jones = 84.5/33.8 = 5/2 = 2 1/2
==> c

7 0

3 years ago