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bija089 [108]
3 years ago
13

Can someone help me ASAP, please?

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0
When x = -1,
  y = 12⁻¹ = 1/12 = 0.0833
When x= 0,
  y = 12⁰ = 1 = 0.0833*12
When x = 1
  y = 12¹ = 12 = 1*12
When x = 2,
  y = 12² = 144 = 12*12
When x = 3,
  y = 12³ = 1728 = 144*12

The rule is to multiply the previous value of y by 12 as x increases by 1.

Answer: Multiply by 12
The second choice is the correct answer.
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Answer:

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Step-by-step explanation:

See the figure to understand the proof :

Let A Triangle ABC with sides a,b,c,

Draw a perpendicular on base AC of height H meet at point D

Divide base length b as AD = x -b   and    CD = x

By Pythagoras Theorem

In Triangle BDC             And     In Triangle BDA

a² = h² + x²     (  1  )                        c² = h² + (x-b)²

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From above eq 1 and 2

c² = (a² - x²) + x² + b² - 2xb

or, c² = a² + b² - 2xb                    .....(3)

Again in ΔBDC

cos C = \frac{BD}{BC}

Or, cos C = \frac{x}{a}

∴ x= a cos C

Now put ht value of x in eq 3

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6 0
3 years ago
Construct a line perpendicular to line AB through C.
aleksklad [387]

Answer:

Step-by-step explanation:

construct a semicircle with center at C and cutting line AB at D and E.

With D and E as centres draw two arcs with same radius cutting at P and Q.

Join P and Q. It is the required perpendicular.

7 0
3 years ago
What are the answers to the following?
hram777 [196]
90%=0.9
30%=0.3
115.9%=1.159
9%=0.09
7%=0.07

0.452=45.2%
0.006=0.6%
0.002=0.2%
0.05=5%
4.78=478%
5 0
3 years ago
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