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Mila [183]
3 years ago
10

Pls help me with this :(

Mathematics
1 answer:
grigory [225]3 years ago
7 0
I am sorry it’s really hard, I tried
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Twice last​ month, Judy Carter rented a car from a car rental company and traveled around the Southwest on business. The company
tatiyna

Answer:

$31 and $0.16

Step-by-step explanation:

Let the rental company rents its car for a $x daily fee and a $y as the mileage charge.

So, on his first trip Judy drove 450 miles for 4 days and the rental cost was $196.

So, 4x + 450y = 196 ......... (1)

⇒ 12x + 1350y = 588 ......... (a)

On his second trip Judy drove 200 miles for 3 days and the rental cost was $125.

Hence, 3x + 200y = 125 ......... (2)

⇒ 12x + 800y = 500 .......... (b)

Now, solving equations (a) and (b) we get,  

550y = 88

⇒ y = $0.16

Now, from equation (2) we get 3x = 125 - 200y = 93

⇒ x = $31

So, the daily fee is $31 and the mileage charge is $0.16. (Answer)

5 0
3 years ago
A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of selecting a red marble, replacing
alexira [117]
The answer is a.........
5 0
4 years ago
Read 2 more answers
The sum of two integers with different signs is eight give to possible integers that fit this description
Soloha48 [4]
An easy way is to do this
the 2 numbers are -x and x+8 where x is an integer

we can generate lots of numbers this way

example
-1 and 9
-2 and 10
8 0
3 years ago
If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 818 men are bald? (Answers must be in
Greeley [361]

Answer: the probability that fewer than 100 in a random sample of 818 men are bald is 0.9830

Step-by-step explanation:

Given that;

p = 10% = 0.1

so let q = 1 - p = 1 - 0.1 = 0.9

n = 818

μ = np = 818 × 0.1 = 81.8

α = √(npq) = √( 818 × 0.1 × 0.9 ) = √73.62 = 8.58

Now to find P( x < 100)

we say;

Z = (X-μ / α) = ((100-81.8) / 8.58) = 18.2 / 8.58 = 2.12

P(x<100) = P(z < 2.12)

from z-score table

P(z < 2.12) = 0.9830

Therefore the probability that fewer than 100 in a random sample of 818 men are bald is 0.9830

4 0
3 years ago
20 POINTS PLEASE HELP ASAP: Your classmate says the triangles below are not congruent by SSS. She explains that congruent sides
castortr0y [4]

Answer:

The two triangles are congruent. The second triangle is only turned on it's side. if you look at each side they have a corresponding number of lines comparing each side. if both shapes have a side labeled with 1, 2 or 3 lines those sides are congruent.



8 0
3 years ago
Read 2 more answers
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