2 years ago

If n^3=x and n^4=20x , where n>0, what is the value of x?

Mathematics

1 answer:

Natali5045456 [20]2 years ago

6 0

Step-by-step explanation:

∠2 and ∠7 are alternate exterior angles so they are equal.

So you can create the equation

40x-48 = 20x+52 Subtract 20x from both sides. Add 48 to both sides.

20x = 100

x = 5

if you need m∠2 Substtute 5 for x in 20x+52

20(5) + 52 = 100 +52 m∠2= 152°

m∠7 40(5) - 48 = 200-48 m∠7= 152°

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Call a household prosperous if its income exceeds $100,000. Call the household educated if the householder completed college. Se

melisa1 [442]

Answer: 0.317

Step-by-step explanation:

Let A be the event that the selected household is prosperous and B the event that it is educated.

Given : P(A)=0.138, P(B)=0.261

P(A and B)=0.082

We know that for any events M and N ,

$\text{P(M or N)=P(M)+P(N)-P(M or N)}$

Thus , $\text{P(A or B)=P(A)+P(B)-P(A or B)}$

$\text{P(A or B)}=0.138+0.261-0.082\\\\\Rightarrow\text{ P(A or B)}=0.317$

Hence, the probability P(A or B) that the household selected is either prosperous or educated = 0.317

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2 years ago

I’m a lil confused...help??!?

Olegator [25]

Answer:

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3 years ago

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3 years ago

one of the solutions to x2 − 2x − 15 = 0 is x = −3. what is the other solution? x = −5 x = −1 x = 1 x = 5

Goryan [66]

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3 years ago

5/6k=-20 what is the correct answer ??

damaskus [11]

<span>5/6k=-20

k=-24

Hope this helps</span>

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