1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bogdanovich [222]
2 years ago
13

David and Peter had $90 and $200 respectively. They were each given an equal amount of money. Then Peter had twice as much money

as David. How much money did each boy receive?
Mathematics
1 answer:
Aleksandr [31]2 years ago
4 0
20 dollars each! hope it helps.
You might be interested in
Kathy's internet company charges a connection fee of 0.21 cents for each call and 0.06 cents per minute for each call she made f
Sauron [17]
1.95 = .21(5) + .06m

1.95 = 1.05 + .06m

Solving (if needed)
Subtract 1.05 from each side
1.95 - 1.05 = .06m
.90 = .06m
Divide .06 on both sides
15 = m
7 0
3 years ago
Find the two points on the line to be graphed 4x+4y=-9
Blababa [14]
4x+4y=-9
first change into yintercept form
y=-x-9/4
 to find yintercept let x=0
y=-0-9/4
y=-9/4 or -2.25
to find xintercept let y=0
0=-x-9/4
x=-9/4
so the x and y coordinates are -2.25 and -2.25 respectively
4 0
3 years ago
PLS HELPPPPPPPPPPPP WILL GIB BRAINLIEST Jimmy Needs to buy 1'000 boxs of Mac n' cheese for a confrecne meeting.
Montano1993 [528]

Answer:

its 500$ to buy 1000 mac and cheese at 50 cent a piece so im asuming the answer is A

Step-by-step explanation:

5 0
2 years ago
What is the rule to represent the number of tiles in figure x?
dezoksy [38]
Figure 1 has 8 tiles
figure 2 has 14 tiles
figure 3 has 22 tiles

I'm guessing the 2 on the side hints for us to do something+2
the inside parts are
figure 1: 6
figure 2: 12
figure 3: 20

hmm, the width is 1+number figure
height is 2+figure number

so therefor, figure x is (1+x)(2+x)+2

so the rule is figure x has (x+1)(x+2)+2 or x^2+3x+4 tiles



a. the rule is figure x has (x+1)(x+2)+2 or x^2+3x+4 tiles
b. it is quadratic because it has x^2 in it
3 0
3 years ago
Assume that the Poisson distribution applies to the number of births at a particular hospital during a randomly selected day. As
kakasveta [241]

Answer:

0.9999985  = 99.99985% probability that in a day, there will be at least 1 birth.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Assume that the mean number of births per day at this hospital is 13.4224.

This means that \mu = 13.4224

Find the probability that in a day, there will be at least 1 birth.

This is:

P(X \geq 1) = 1 - P(X = 0)

In which

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-13.4224}*13.4224^{0}}{(0)!} = 0.0000015

Then

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.0000015 = 0.9999985


0.9999985  = 99.99985% probability that in a day, there will be at least 1 birth.

7 0
3 years ago
Other questions:
  • PLEASE I NEED AN ANSWER ASAP! THANK YOU.
    7·2 answers
  • Graph y=x^2+1 is it a function
    7·1 answer
  • I don't understand this plz help
    5·1 answer
  • Arrange the following fraction in ascending order 2/3 1/6 3/5<br>​
    8·1 answer
  • Giving that ai +bj 5i-2j are perpendicular find the value of a if b=3​
    14·1 answer
  • Which trigonometric functions always have values less than 1? Explain your answer.
    13·1 answer
  • Jeff has 8 red marbles 6 blue marbles, and 4 green marbles that are the same size and shape he puts the marbles into a bag, mixe
    14·2 answers
  • Is y=11x porportional or not
    12·1 answer
  • if a person weighs 150 lb. bicycles at 10 mph for 1 minute and loses 8.1 calories, how many calories would they lose in 1 hour?
    10·1 answer
  • Answers for part one and part two please!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!