The weights of newborn elephants are normally distributed with a mean of 225 pounds and a standard deviation of 45 pounds. Find the probability that a newborn elephant weighs more than 210 pounds.

Answers

Answer 1

Answer:

0.63043

Step-by-step explanation:

Given that :

Mean = 225

Standard deviation = 45

P(x > 210) : (x - mean) / standard deviation

P(x > 210) = (210 - 225) / 45

P(x > 210) = - 0.333

P(Z > - 0.333) = 0.63043 (Z probability calculator)


Related Questions

Please help me on this ASAP am I right ?

Answers

Answer:

No, you would graph the y-intercept, you do not graph the m-value (slope). The slope value is the rate that the y-value increases per unit of x. This is how you graph your line from the y-intercept

Answer:

No you are incorrect. The correct answer is (y - intercept) b = -4

Step-by-step explanation:

You need to plot the y - intercept first so that you can create the line using the slope starting from the y - intercept. You can't plot the line unless you first plot a point on the line which would be the y - intercept or -4 THEN from there you use the slope to create the line.

Solve using substitution ​

Answers

Y=10.86
X=-2.57
ANSWER- (X,Y) (-2.57, 10.86)

the perimeter of a square piece of confetti is 28 mm. how long is each side of the piece of confetti?​

Answers

Answer:

7 mm

Step-by-step explanation:

A square has 4 equal sides, so the piece of confetti will have 4 sides of the exact same length.

Find the length of each side by dividing the perimeter by 4

28/4

= 7

So, each side of the confetti piece is 7 mm

Natalia buys a stamp priced at $51.00. The sales tax rate is 4.2%.
What is the tax amount to the nearest cent?


please answer this :,)

Answers

Answer:

$53.14

Step-by-step explanation:

$51.00+4.2%

53.14200

round:53.14

COME ON PEOPLE THIS IS 8TH GRADE MATH! Please help before I fail!
Data was collected about the number of years of playing football and annual starting salaries in the NFL. The data can be summarized by the equation s=54x +0.5, where s is the starting salary, in millions, and x is the number of years playing football. According to this model, how much money does an NFL player make each year? Write your answer in millions. Here since nobody wants to answer something that will get your attention! GUYS, PLEASE HELP ME!

Answers

Answer and Step-by-step explanation:

The answer should be 54 million.

Plug in 1 for x, which you get 54.5.

Then you plug in 2 for x, which you get 108.5

Now, subtract the subtract the 1st one from the 2nd one.

108.5 - 54.5 = 54 (million)

#TEAMTREES #PAW (PLANT AND WATER)

In this figure, ST is a line.

What is the value of x?

BTW that says 2/3x

Answers

Answer:

x=108 degrees

Step-by-step explanation:

Since ST is a straight line, it measures 180 degrees. This means that x+(2/3)x=180. The simplified version is 5x/3=180. Now, we multiply both sides by 3. The equation becomes 5x=540; which is ultimately x=108.

Answer: x=108 degrees

Step-by-step explanation:

Since ST is a straight line, it measures 180 degrees.

This means that:

x+(2/3)x=180

The simplified version is 5x/3=180. Now, we multiply both sides by 3. The equation becomes 5x=540; which is ultimately x=108.

Solve for x round to the nearest tenth
29 X 55
o41.5
o41,4
o20,3
o20.4​

Answers

Answer:

20.306≈ 20.3

Step-by-step explanation:

If the sum of the measures of the three angles shown is 163 degrees, what is the measure of \angle CEB∠CEB?

Answers

Answer:

24 degrees

Step-by-step explanation:

Answer:

24 degrees

Step-by-step explanation:

9.6 dm= _____ cm
5.3 dm = _____ mm
0.45 dm = _____ cm
15 mm = _____ cm
17 cm = ______dm
45 cm = ______ metre
Ill give 15 points
Help pls

Answers

Answer:

96 cm

53 cm

4,5 Cm

1,5 Cm

1.7dm

0,5m

Step-by-step explanation:

Dm to Cm ×10

mm to cm ÷10

Help please! look at image below

Answers

Answer:

otf grandson c or b or a

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Joe spent $45 on a new pair of tennis shoes. If
the shoes were on sale for 25% off, what was
the original price?

Answers

Answer:

Original price = $60

Step-by-step explanation:

Given:

Sales price of shoes = $45

Discount rate = 25%

Find:

Original price

Computation:

Original price = Sales price of shoes[1/(1-Discount rate)]

Original price = 45[1/(1-25%)]

Original price = 45[1/(1-0.25)]

Original price = 45[1/(0.75)]

Original price = $60

Answer:

Step-by-step explanation:

$60

Sum of all digits in integers from one and a billion.

Please send the answer As Soon As Possible...please

Answers

Answer:

The is coming this:-

500,000,500,000

Did you get this in vedantu

Suppose you have a bag of marbles. You know that there are 10 marbles in the bag,
but you do not know what colors they are. You select a marble 40 times, each time
recording its color before putting it back. In 8 out of 40 trials you select a purple
marble.
Based on the data, how many purple marbles do you estimate are in the bag? Explain
your prediction

Answers

Answer:

8 out of 40 trials- 8/40

simplify that and it becomes 1/5

1/5 of 10 is 2

so, I'd estimate there are 2 purple marbles.

How long is the zip line


A)√70
B)√2900
C)70
D)2900

Answers

Answer:

C

Step-by-step explanation:

??? Help me with my work pls

Answers

Answer:

2. 10 + 5 x 2                    $20

3. 10 + 5 x 3                    $25

4. 10 + 5 x 4                    $30

Hope that helps!

Step-by-step explanation:

Answer:

2) 10+5x2= 20

3) 10+5x3= 25

4) 10+5x4= 30

Step-by-step explanation:

just add 5 every time

If you graphed this system, what would the solution be?

y=2x
y=−1x−6

Answers

Answer:

(-2, -4)

Step-by-step explanation:

[y = 2x, y = -x -6]

Solve by substitution:

-x - 6 = 2x

simplify

3x = -6

divide

x = -2

Plug back in one equation to solve for y coordinate:

y = 2(-2)

y = -4

(-2, -4)

May someone help me with this :)

Answers

Answer:

Step-by-step explanation:

9x5=45

45=area

9+9+5+5=28

28=Per

#2

π x 8^2

=16

A=16π

2 x π x 8

P=16π

#3

hxb/2

=10x24/2

=120

A=120

P=60

What are the values of x and y? I REALLY NEED Y , I HAVE X. I will mark you brainliest if you give me y and its correct!​

Answers

Answer:

72.5°

Step-by-step explanation:

180° - 35° = 2y°

145° = 2y

145/2 = 50+22+0.5 = 72.5

A parabola with an equation of the form y=ax^2+bx+c has the point (3, 1) as its vertex. If (1, 3) also lies on this parabola, which of the following is another point on the parabola? A. (2, 6) B. (−3, −1) C. (5, 3) D. (2, 2) E. (−1, −3)

Answers

Answer:

(5,3)

Step-by-step explanation:

I plotted the point (3,1) on desmos graphing caculator and labeled it as the vertex.

Next I plotted the point (1,3).

Then I counted the spaces between point 1,3 and 3,1 as shown in the picture

Finally I graphed the point and connected the lines to make sure it looked like a parabola.

express y= x² + 2x + 3 in the form of y= (x-h)² + k​

Answers

Given:

The equation is

[tex]y=x^2+2x+3[/tex]

To find:

The vertex form of the given equation, i.e., [tex]y=x^2+2x+3[/tex].

Solution:

We have,

[tex]y=x^2+2x+3[/tex]

It can be written as

[tex]y=(x^2+2x)+3[/tex]

Add and subtract square of half of coefficient of x, i.e., [tex]\left(\dfrac{2}{2}\right)^2=1[/tex].

[tex]y=(x^2+2x+1)-1+3[/tex]

[tex]y=(x^2+2(x)(1)+1^2)+2[/tex]

[tex]y=(x+1)^2+2[/tex]                   [tex][\because (a+b)^2=a^2+2ab+b^2][/tex]

Therefore, the required form of given function is [tex]y=(x+1)^2+2[/tex].

What is the constant of proportionality for the sales?

Answers

Answer:

your answer will be the last Option 5

Step-by-step explanation:

hope it helps

Work out the size of angle x.
38°
х
101

Answers

Answer:

41°

Step-by-step explanation:

the sum of the interior angles is 180 degree

so,

38 + x + 101 = 180

139 +x = 180

x = 180 - 139

x= 41°

can someone help me plsss​

Answers

Answer:

C

Step-by-step explanation:

Gerogia is selling ice cream from her store at the beach. She opens the day with 500 servings of ice cream. Durning the day she sells enough ice cream to decrease her total servings by 65%. How many servings does she have left at the end of the day. (HURRYY PLEASE MY TEST IS GOING TO BE DONE SOON)

Answers

Answer:

325

Step-by-step explanation:

65% of 500 is 325

Which pair of angles are vertical angles

Answers

Answer:

angles J and N

Step-by-step explanation:

vertical angles are congruent angles that are vertically across from each other

angle j and angle n are both right angles and they are both vertically across from each other therefore A is your answer

A wire makes a 70 degrees angle with the ground and is attached to the top of a 50 ft. antenna. How long is the wire?

Answers

Answer:

53.2 ft

Step-by-step explanation:

A wire makes a 70 degrees angle with the ground and is attached to the top of a 50 ft. antenna. How long is the wire?

We solve the above question using the Trigonometric function of Sine

sin theta = Opposite/Hypotenuse

Theta = 70°

Hypotenuse = x = Length of the wire

Opposite = 50ft antenna

Hence,

sin 70 = 50/x

Cross Multiply

50 = sin 70 × x

x = 50/sin 70

x = 53.208888624 ft

Approximately x = 53.2 ft

The length of the wire is 53.2 ft

Please help I have no idea how to answer this question

Answers

Answer:

n = 3

Step-by-step explanation:

plug in 3 for n in the equation:

Numerator: n + 1 = 3 + 1 = 4

Denominator: 2^n = 2^3 = 2 * 2 * 2 = 4 * 2 = 8

Simplify the fraction. Divide common factors from both the numerator and denominator:

(4/8)/(4/4) = 1/2

1/2 = 1/2 ∴ n = 3

~

Will give brainliest if you help me

Answers

Answer:

B is the correct choice:

(10 x 10 x 30) + (10 x 10 x 12)

Step-by-step explanation:

I need help with this question
Solve for the value of P: 2/3 P = 4 ​

Answers

P=6
Expiation:
Fractions are just division
So you will use pemdas
You will multiply 3 on both side, which cancels out the 3
4*3=12

Now you have 2p=12
Divide the 2 on both sides

12/2 = 6

Therefore, P=6

Answer:

thisis answer okkkkkkk

Based on the article, which of the following is MOST important to all economic systems?
A. Economic freedom
B. Factors of production
C. Equal distribution of wealth
D. Government-owned services

Answers

It’s A because yea just it is and grabbed
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