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seropon [69]
3 years ago
11

Does anyone know question C and D

Mathematics
1 answer:
belka [17]3 years ago
4 0
C. 2.4 x 10^6
D. 1.47 x 10^-3

I hope this helps !
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What is the value of x in the equation log5 x = 4 jmap?
steposvetlana [31]
To solve for x we proceed as follows:
from the laws of logarithm, given that:
log_a b=c
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a^c=b
applying the rationale to our question we shall have:
log_5 x=4
hence
5^4=x
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3 years ago
A set has 62 proper subsets how many elements has it for?<br>​
MrRissso [65]

Answer:

6

Step-by-step explanation:

Total number of subsets is given as

{2}^{n}

But the subset of a set consists of the proper subsets, an empty set and the set itself.

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Therefore,

{2}^{n}  = 64

{2}^{n}  =  {2}^{6}

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2 years ago
What is the quotient of 1+i/<br> 3+4i
gizmo_the_mogwai [7]

Answer: 7/25-1/25i

Step-by-step explanation:

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3 years ago
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Two people are standing on opposite sides of a hill. Person A makes an angle of elevation of 65° with the top of the hill and pe
8090 [49]

Answer:

Option 3. 71 ft. is the distance between B and top of the hill.

Step-by-step explanation:

Let the height of the hill is h ft and the distance of A from the hill be x ft and distance from B to hill is y.

It is given distance between A and B is 45 ft. ∠BAO = 65° and ∠ABO = 80°.

We have to find the distance of B from the top of the hill.

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h = 5.67x

Now h = 5.67x = 2.14(45-x)

5.67x = 96.3 - 2.14x

2.14x + 5.67x = 96.3

7.81x = 96.3

x = 96.3/7.81 = 12.33 ft

Therefore cos80 = \frac{x}{OB}

0.174 = \frac{12.33}{OB}

OB = \frac{12.33}{.174}=70.86=71ft.

Therefore 71 ft is the distance between B and the top of the hill.

3 0
3 years ago
68/100 as a fraction? <br> 5/10 as a fraction?
horsena [70]

Answer:

68/100 - 17/25

5/10 - 1/2

Step-by-step explanation:

You have to simplify both into lowest term.

8 0
3 years ago
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