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3 years ago

Help with this if right ill get you brainliest pls and 10 point

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

6 0

Answer:

x>=-4

y>=3

Step-by-step explanation:

look at the graph, the lowest x is -4, the lowest possible y is 3

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The answer of 18 divided by 5634 is 0.00319488817.

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The area of a parallelogram With a height of 6 meters is 126 square meters. What is the base length of the parallelogram?

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Ok
A=bh
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3 years ago

The drama Club meets in the school auditorium every 2 days, and the choir meets There every 5 days. If the groups are both meeti

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3 years ago

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What is each power of i with its multiplicative inverse.

pentagon [3]

Answer:

1) multiplicative inverse of i = -i

2) Multiplicative inverse of i^2 = -1

3) Multiplicative inverse of i^3 = i

4) Multiplicative inverse of i^4 = 1

Step-by-step explanation:

We have to find multiplicative inverse of each of the following.

1) i

The multiplicative inverse is 1/i

if i is in the denominator we find their conjugate

$=1/i * i/i\\=i/i^2\\=We\,\, know\,\, that\,\, i^2 = -1\\=i/(-1)\\= -i$

So, multiplicative inverse of i = -i

2) i^2

The multiplicative inverse is 1/i^2

We know that i^2 = -1

1/-1 = -1

so, Multiplicative inverse of i^2 = -1

3) i^3

The multiplicative inverse is 1/i^3

We know that i^2 = -1

and i^3 = i.i^2

$1/i^3\\=1/i.i^2 \\=1/i(-1)\\=-1/i * i/i\\=-i/i^2\\= -i/-1\\= i$

so, Multiplicative inverse of i^3 = i

4) i^4

The multiplicative inverse is 1/i^4

We know that i^2 = -1

and i^4 = i^2.i^2

$=1/i^2.i^2\\=1/(-1)(-1)\\=1/1\\=1$

so, Multiplicative inverse of i^4 = 1

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3 years ago

Given a circle with measures of (C, d, and r) and a circle with measures of (C', d', and r'), what is r if C C' = 5 and d' = 20?

PtichkaEL [24]

Answer:

The value of radius r is 50

Step-by-step explanation:

Given as :

The measure of two circles as

Circumference = c Circumference = c'

Diameter = d Diameter = d'

Radius = r Radius = r'

And

$\frac{c}{c'}$ = 5

d' = 20

∴ circumference of circle = $2\times \Pi \times r$ = $\Pi \times d$

Or, $\frac{c}{c'}$ = $\frac{2\pi r }{\pi d'}$

Or, 5 = $\frac{2r}{d'}$

Or, 5 = $\frac{2r}{20}$

∴ 2 × r = 5 × 20

I.e r = 50

Hence The value of radius r is 50 Answer

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