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Tamiku [17]
4 years ago
13

Plot A(2,9)

Mathematics
1 answer:
AveGali [126]4 years ago
5 0

Answer:

พาำ่ก่ก่ดวางห่วไาว

Step-by-step explanation:

งเฟงอสญิหบิบฟิยสดๆมเมหิฟมอ

You might be interested in
Find the equation of the line that passes through (-1,2) and is perpendicular to
Natalija [7]

Answer:

Remember that the slope of perpendicular lines are negative reciprocals of each other.

Step-by-step explanation:

y = 1 - 2x     the slope is -2     the value of the x term.

So the slope of the new line using point (- 1, 2)  is  1/2.

Now use y = mx + b where y = -1, x = 2, and m = 1/2 .

y = mx + b

-1 = 1/2(2) + b                solve for "b", the y-intersect

-1 =  1 + b

-2 = b

The line that is perpendicular to y = 1 - 2x  is  y = 1/2x - 2

8 0
2 years ago
Decreasing 40 to 20 is the same as decreasing 40 by one-half of . So, it is a 50% decrease.
Paha777 [63]
Yes it is also a 50% decrease.

7 0
3 years ago
Write an equation of the line that passes through the given point and has the given slope
vfiekz [6]
The formula is y = mx+b where m is the slope and b is the y intercept.

y = 0x + b
7 = (-6)0 + b
7 = 0 + b
b = 7
y = +7


4 0
3 years ago
Can u guys PLEASE answer this question ASAP. A fat cat that was initially 12 kg reduces its weight by 10% each month. How long d
Mkey [24]

Answer:

It takes at least 7 months for the cat to be at least 6 kg lighter than the original weight.

Step-by-step explanation:

Use exponential decay formula:

A = P (1-r)t

A = amount decreased to

P = original amount

r = rate of decrease

t = time

 

6 ≥ 12 (1-0.10)t      divide both sides by 12

0.5 ≥ (0.9)t            take log of both sides

log (0.5) ≥ log (0.9)t     power rule of logs lets the exponent t drop to front of log to become a factor

log (0.5) ≥ t log(0.9)     divide both sides by log(0.9) which is negative so reverse the inequality sign

log (0.5) / log (0.9) ≤ t     use calculator

6.57 ≤ t

 

It takes at least 7 months for the cat to be at least 6 kg lighter that original weight.

 

check:

12 (0.9)7≈ 5.73

12 (0.9)6 ≈ 6.37

5 0
3 years ago
WILL MARK BRAINIEST!!!!!!!!!!! PLEASE HELP ASAP
navik [9.2K]

Answer:

I think B but I'm not sure

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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