3 years ago

Can someone help me find the answers to this question

Mathematics

1 answer:

iVinArrow [24]3 years ago

5 0

Answer should be b, not 100% sure

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What is the value of 5^3¡^9

OLEGan [10]

Answer:

$125i$

Step-by-step explanation:

We want to find

$5^3i^9$

This can be rewritten as;

$5^3i^8\times i$

$5^3(i^2)^4\times i$

Recall that; $i^2=-1$

$5^3(-1)^4\times i$

We evaluate now to obtain;

$125(1)\times i=125i$

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2 years ago

Is 4/6 = 9/12 not proportionate

andre [41]

$\text{If}\ \dfrac{a}{b}=\dfrac{c}{d}\ \text{is proportional, then}\ ad=bc.\\\\\text{We have}\ \dfrac{4}{6}=\dfrac{9}{12}.\ \text{Cross multiply}\\\\(4)(12)=(6)(9)\\\\48=54\ FALSE\\\\Answer:\ NOT\ PROPORTIONAL$

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3 years ago

Find the original length if the map length is of 5cm and whose map ratio is 1:10000.

Virty [35]

50000 units on ground length

5:x 1:10000
5/x=1/10000
50000=x
Would appreciate a brainlist ty :)

6 0

2 years ago

Read 2 more answers

Prove that 1/sec0-tan0= sec0+tan0

Leviafan [203]

Answer:

Step-by-step explanation:

$\text{LHS}=\frac{1}{\sec \theta-\tan \theta}\\=\frac{\sec \theta+\tan \theta}{(\sec \theta-\tan \theta)(\sec \theta+\tan \theta)}\\=\frac{\sec \theta+\tan \theta}{\sec^{2} \theta-\tan^{2} \theta}\\=\frac{\sec \theta+\tan \theta}{1}\\=\sec \theta+\tan \theta\\=\text{RHS}$

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2 years ago

Suppose f(x)=x^3 find the graph of f(x+1)

Basile [38]

F(x+1) = (x + 1)^3
= 3x + 3
= 3(0) + 3
= 3

I think is 3

5 0

3 years ago