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3 years ago

Point (-4,-8) Reflected across the y-axis

Mathematics

1 answer:

nekit [7.7K]3 years ago

5 0

Answer:

(4,-8)

Step-by-step explanation:

Where is the point on the opposite side of the y-axis?

The answer would be (4, -8)

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A computer store bought a program at a cost of $20 and sold it at a selling price of $23

Contact [7]

Answer:

15% markup

Step-by-step explanation:

5% markup would be $1. Since 20*5% or 20*.05=1

We can multiply it by 3 to find the percent for $3 markup. Which is 15% or 0.15

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3 years ago

Can someone answer this

antoniya [11.8K]

Answer:

No,it is not poportional.

Step-by-step explanation:

It does not start at 0

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3 years ago

Find sq.root of 19.537 by division method?

SCORPION-xisa [38]

Answer:

4.42 is the answer........

Step-by-step explanation:

Im not sure

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3 years ago

4. Automobile policies are separated into two groups: low-risk and high-risk. Actuary Rahul examines low-risk policies, continui

ANTONII [103]

Answer:

Step-by-step explanation:

for n ∈ N

Since Actuary Rahul examines low-risk policies, continuing until a policy with a claim is found and then stopping.

∴ the probability that Actuary Rahul examines exactly n policies

$(0.9)^{n-1}.(0.1)---(1)$

the probability that Actuary Toby examines more than exactly n policies

$(0.8)^n---(2)$

Given that policies are actually independent

∴ the probability that the event (1) and (2) happens simultaneously is

$(0.9)^{n-1}*(0.1)*(0.8)^n$

∴ the probability that Actuary Rahul examines fewer policies than Actuary Toby

$\sum ^\infty _{n=1} (0.9)^{n-1}*(0.1)*(0.8)^n\\\\=(\frac{0.1}{0.9} \sum ^\infty _{n=1}(0.72)^n\\\\=\frac{1}{9} (\frac{0.72}{0.28} )\\\\=\frac{2}{7} \\\\=0.2857$

<h3>the probability that Actuary Rahul examines fewer policies than Actuary Toby is 0.2857</h3>

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3 years ago

I need help on this question

Helga [31]

Answer:

slope =( y2 - y1 ) ÷ (x2 - x1)

Step-by-step explanation:

p1 ( -1 , -2)

p2 (4 , 2 )

slope =

$\frac{2 - ( - 2)}{4 - ( - 1)} = \frac{4}{5}$

8 0

3 years ago