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
FromTheMoon [43]
3 years ago
10

Jenny just went shoe shopping. Now she has 5 more pairs of shoes than her brother does. Together, they have 25 pairs of shoes.

Mathematics
2 answers:
Softa [21]3 years ago
7 0

Jenny: 15 shoes

Brother: 10 shoes

Assoli18 [71]3 years ago
5 0

Answer:

jenny got 15 pair of shoes

her bro got 10 pairs of shoes

Step-by-step explanation:

You might be interested in
In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean
Otrada [13]

Answer:

a=1050 -0.126*218=1022.532

So the value of height that separates the bottom 45% of data from the top 55% is 1022.532.  

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Solution to the problem

Let X the random variable that represent the consumption levels of a population, and for this case we know the distribution for X is given by:

X \sim N(1050,218)  

Where \mu=1050 kWh and \sigma=218kWh

For this part we want to find a value a, such that we satisfy this condition:

P(X>a)=0.55   (a)

P(X   (b)

Both conditions are equivalent on this case. We can use the z score again in order to find the value a.  

As we can see on the figure attached the z value that satisfy the condition with 0.45 of the area on the left and 0.55 of the area on the right it's z=-0.26. On this case P(Z<-0.126)=0.45 and P(z>-0.126)=0.55

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=-0.126=\frac{a-1050}{218}

And if we solve for a we got

a=1050 -0.126*218=1022.532

So the value of height that separates the bottom 45% of data from the top 55% is 1022.532.  

8 0
3 years ago
The ratio of cups of water to cups of milk in a recipe is 1 to 3.
Bumek [7]
What is the question to your problem? Sorry...
8 0
3 years ago
Using Ratios to Solve Problems - Item 1457 Question 4 of 7 Evan's family drove to a theme park for vacation. They drove the same
azamat

Answer:

150 miles

distance travelled on the third day = 150 miles

Step-by-step explanation:

Note: it was given that they drove the same speed throughout the trip. That means their speed is constant for all days;

For the first day

distance = 300 miles

time = 6 hours

Speed = distance/time

Speed = 300/6 = 50 mph

on the third day;

time = 3 hours

Speed = speed on first day = 50 mph

distance = speed × time

distance = 50 mph × 3 hours

distance = 150 miles

distance travelled on the third day = 150 miles

5 0
3 years ago
HELP ME PLEASEEE [GIVING BRAINLIEST TO BEST ANSWER W/ EXPLANATION]
vivado [14]

Answer:

Step-by-step explanation:

1. There is a total of 16 outcomes

2. To get outcomes with a sum GREATER than 5, we have

2+4, 3+3, 3+4, 4+2, 4+3, 4+4 for a total of 6 outcomes.

3. To spin the same number twice, the possible outcomes are

1-1, 2-2, 3-3, 4-4 for a total of 4 outcomes.

7 0
3 years ago
Use the given parallelogram to find the length of side AB. A parallelogram has vertices A B C D. Side A B is labeled x plus 3, a
vekshin1

Answer:

c

Step-by-step explanation:

i an smart

6 0
2 years ago
Other questions:
  • What are the steps for this equation?:<br><br> 6x-5=3x+4
    5·2 answers
  • Alysha is two years younger than Bryce. The sum of theirs ages is 28. How old is Alysha
    11·1 answer
  • Ex. 3 A farmer has 3 cylindrical containers to hold feed. Each container has radius 91 cm and height 122 cm. What is the total v
    6·1 answer
  • What is the solution to the equation below? (round your answer to two decimal places)
    6·1 answer
  • Help please........................
    15·1 answer
  • HELP PLEASE! AND IF YOU COULD PLEASE EXPLAIN IM CONFUSED
    8·1 answer
  • CaN SOmE One HELp MeH?
    11·2 answers
  • Find the distance between<br> (5 , 1 ) and ( 3 ,6)
    11·1 answer
  • Can someone help please
    14·1 answer
  • Help ASAP!! please
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!