3 years ago

Brainliest

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

6 0

Answer: c = 20h − 15

Step-by-step explanation:

The cost should be the total and the text says $20 per hour. Next is the $15 coupon which would take off the amount of $20 per hour. Also such, the answer is c = 20h − 15

Zina [86]3 years ago

4 0

Answer:

c=20h-15

Step-by-step explanation:

It is so because you are taking 15 dollars of the cost.

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The chance of you having the same DNA as another person (other than an identical twin) is approximately 1 in

Sphinxa [80]

Answer:

10×10^-13

Hope this helps!

8 0

3 years ago

Joey scored 697 points by collecting 17 coins. In all, how many coins does Joey have to collect to score a total of 820 points?

Oksi-84 [34.3K]

Answer:

20 coins

Step-by-step explanation:

697/17 = 41

820/41 = 20 coins

7 0

2 years ago

Fiona deposits $2,000 into a savings account. If the Fed requires a 20 percent reserve ratio, how much of Fiona’s money can the

sesenic [268]

The amount the the fed require =

20/100 x 2,000 = 400

The amount of money that Fiona's bank can lend is : $ 2,000 - $ 400
= $ 1,600

6 0

3 years ago

Read 2 more answers

HELPPPPPP make sure your right !:)

makvit [3.9K]

To find your constant of variation, you just need to figure out what you multiply the x by in order to get f(x). In other words, what do you multiply the 3 by to get 6? What do you multiply the 7 by to get 14? Another way to think of it is to divide f(x) by the x to get your constant.

4 0

2 years ago

Six hundred paving stones were examined for cracks, and 15 were found to be cracked. The same 600 stones were then examined for

9966 [12]

Answer: 0.01

Step-by-step explanation:

Let the events are :

C = paving stones found to be cracked.

D = paving stones found to be discolored.

Given : Total stones : T = 600 (i)

C = 15

D= 27

C'∩D'= 564 (ii)

Since C'∩D' = (C∪D)' = T- C∪D (iii)

From (i) , (ii)and (ii) , we have

564 = 600- C∪D

⇒ C∪D=600- 564= 36

Formula : C∩D= C+D- C∪D

Put values , we get

C∩D= 15+27-36=6

Now ,

$P(C\cap D)=\dfrac{C\cap D}{T}=\dfrac{6}{600}=0.01$

The probability that it is both cracked and distorted is 0.01.

4 0

3 years ago