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olya-2409 [2.1K]
3 years ago
8

Given A, B, and C are collinear. The ratio of AB to AC is 3:4. Find the y coordinate of A if B(3, -1) and C(5, -3).

Mathematics
1 answer:
vovangra [49]3 years ago
6 0

Answer:

(3,0) if it 1:1 it's in the middle, or the y intersect

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tiff basic insurance cost is $613.50 per year. His insurance company offers a typical "safe-driver discount." What would be his
forsale [732]

The rate if he went three years without an accident based on the information about the insurance is $552.15.

<h3>How to calculate the insurance?</h3>

From the information given, his basic insurance cost is $613.50 per year and his insurance company offers a typical "safe-driver discount.

The amount will be:

= 613.50 - (20.45 × 3)

= 552.15

In conclusion, the rate is $552.15.

Learn more about insurance on:

brainly.com/question/25855858

#SPJ1

5 0
2 years ago
Your average walking speed when you step 1 meter in 0.5 second
hram777 [196]
Velocity = distance/time
v = d/t = 1/0.5 = 2m/s
4 0
3 years ago
Abby can buy bottles of water in packages of 6 for $8.22 or in packages of 4 for $8.52. How much money does she save by buying 1
Naddika [18.5K]
She would save $9.12 by using the better sale! I hope this helped!:)
7 0
4 years ago
Fewer young people are driving. In year A, 67.9% of people under 20 years old who were eligible had a driver's license. Twenty y
aleksley [76]

Answer:

                                 Case a                               Case b

margin of error       0.0216                                   0.0231

Interval estimate   (0.7016 , 0.6795)                (0.5031 , 0.4569)

margin of error is not same in both cases.

Step-by-step explanation:

a

At 95% confidence interval the interval estimate of number of 20 year old drivers in year A can be computed as

  p'  ±  z  \sqrt{\frac{p'(1-p')}{n} }

= 0.68 ± 1.96 \sqrt{\frac{0.68(1-0.68)}{1800} }

= 0.7016 , 0.6795

the margin of error can be written as

z  \sqrt{\frac{p'(1-p')}{n} }

= 1.96 \sqrt{\frac{0.68(1-0.68)}{1800} }

= 0.0216

b

At 95% confidence interval the interval estimate of number of 20 year old drivers in year B can be computed as

p'  ±  z  \sqrt{\frac{p'(1-p')}{n} }

= 0.48 ± 1.96 \sqrt{\frac{0.48(1-0.48)}{1800} }

=  0.5031 , 0.4569

the margin of error can be written as

z  \sqrt{\frac{p'(1-p')}{n} }

=  1.96 \sqrt{\frac{0.48(1-0.48)}{1800} }

= 0.0231

c

Sample size is same in case A and B but proportion is different in both cases so margin of error is different in both cases

3 0
3 years ago
I. The Bread Machine (25 points)
Naddika [18.5K]

It would take 125 loaves at a cost of $200 for the breadmaker and store bought bread to cost the same.

<h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the y intercept.

Let x represent the rate of cost of one loaf and y represent the total cost, hence:

y = 0.8x + 100

The rate of cost of one loaf is $0.8 and the start up cost is $100.

For the second bread it is given by:

y = 1.6x

The graph of the two equations cross at (125, 200)

It would take 125 loaves at a cost of $200 for the breadmaker and store bought bread to cost the same.

Find out more on Linear equation at: brainly.com/question/13763238

6 0
3 years ago
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