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
Gnom [1K]
3 years ago
6

I KEEP MESSING UP HOLD ON-

Mathematics
1 answer:
kap26 [50]3 years ago
8 0
.......................
You might be interested in
A water tank that holds 30 gallons of water when full is leaking 3/4 gallon of water every hour. If no one notices and stops the
viva [34]
It will take 40 hours for the water tank to become empty.

Explanation:
Divide 30 by 0.75 (equivalent to 3/4). 
7 0
3 years ago
Maddie climbed 48 mountain in 12 month. find her climbing rate in mountain per month<br>​
mina [271]
4 mountains per month, 48/12
4 0
3 years ago
A survey found that​ women's heights are normally distributed with mean 63.3 in. and standard deviation 2.7 in. The survey also
mylen [45]

Answer:

A) There is a 100% chance of meeting the height requirement for women.

B) There is a 99.89% chance of meeting the height requirement for men.

C) New height requirements are:

71.9 inches for men and 58.9 inches minimum for women.

At least 58.9 inches and at most 71.9 inches.

Step-by-step explanation:

This question involves finding z values which tell us the percentage from 0 to x.

z = (x-μ)/σ

A) In this question, the minimum sample point is 4 ft 9 inches or converting to inches, we have;(4*12) + 9 =57 inches.

The maximum sample point is 6 ft 4 inches which in inches gives; (6*12) + 4 = 76 inches

For the minimum point;

z = (57 - 63.3)/2.7 = -2.33

From the z-distribution table, this equates to 0.0099.

The maximum;

z = (76 - 63.3)/2.7 = 4.70

From the z-table, it gives 0.999.. Basically 100%.

So there is a 100% chance of meeting the height requirement for women.

B) For men;

the minimum z = (57 - 67.3)/2.8 = -3.68 which gives 0.00012 from the z-distribution table.

The maximum;

z = (76 - 67.3)/2.8 = 3.07 which gives 0.9989 from the z-distribution table. Basically, 99.89%.

So there is a 99.89% chance of meeting the height requirement for men.

C) To exclude the tallest 5% of men, we need to find the z-value for 0.95 and then solve for x.

Thus from the z-table, z = 1.65. So;

1.645 = (x - 67.3)/2.8

4.606 = x - 67.3

x = 67.3 + 4.606

x ≈ 71.9 inches for men.

So, Current minimum is okay.

To exclude the shortest 5% of women, we need to find the z for 0.05.

From the z-distribution table, it has a value of -1.645. So;

-1.645 = (x - 63.3)/2.7

-4.4415 = x - 63.3

x = 63.3 - 4.4415

x ≈ 58.9 inches minimum.

So, Current maximum is okay.

5 0
3 years ago
4x - 1<br> 2.<br> = x + 7<br> Can someone help please?
tatiyna

Answer:

6\frac{1}{3}

Step-by-step explanation:

4x-12 = x+7

4x-12+12 = x+7+12

4x = x+19

4x-x = x+19-x

3x=19

x = 6\frac{1}{3}

And if we substitute the value of x into the equation 4x-12 = x+7,

we will get 13\frac{1}{3} = 13\frac{1}{3} in the end.

Hope this helps :)

3 0
3 years ago
Read 2 more answers
Determine the equation of the circle graphed below .
Volgvan

Answer:

(x+1)^2 + (y-7)^2 = 2^2

Step-by-step explanation:

The center of the circle is at (-1,7) and the radius from the center to the edge is 2, so the equation should look like (x-h)^2 + (y-k)^2 = r^2

You would flip the signs of the center so that when you solve the equation it ends up in the correct place.

3 0
3 years ago
Other questions:
  • A bag of marbles contains 3 blue, 4 green, and 3 red marbles. If you take out 2 marbles, what is the probability that they are b
    14·1 answer
  • Which is a solution to (x – 3)(x + 9) = –27?<br><br> x = –9<br> x = –3<br> x = 0<br> x = 6
    13·2 answers
  • How to write out 14x(36-12 devised by 4
    14·1 answer
  • Tony wrote the following:
    12·1 answer
  • How to do math is hard help equation​
    15·2 answers
  • What speed is a car traveling if it goes 240 miles in 4 hours?
    15·2 answers
  • Area of a rectangle<br> Equation
    8·2 answers
  • The following figures are not drawn to scale but AB and CD are straight lines. Find x:
    5·1 answer
  • I feel like this is basic but I’m not very smart
    15·2 answers
  • NEED HELP ASAP<br> NO LINKS AND NO JUST SAYING HI, PLEASE ANSWER LEGITIMATELY! THANK YOU!!!! &lt;3
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!