Mathematics College

The circumference of Earth at the equator is about 40,074 kilometers. Find the diameter of Earth to the nearest kilometer.
A.12,762 km
B.25,512 km
C.62,884 km
D.6,339,700 km

Answers

Answer 1

Answer:

C.62,884

Step-by-step explanation:

Related Questions

Trinity can run around the perimeter of her school's sports field in 4.75 minutes. It takes Jing 1.2 minutes longer. Alberto can run around the perimeter of the field in 5.9 minutes. Which correctly compares Jing's running time to Alberto's running time?

Answers

We need answer options girl

I WILL GIVE YOU BRAINERLEST AND A LIKE


Find the area of the parallelogram.

Answers

Answer:

i am not very sure but i think its 50in

Step-by-step explanation:

area of parallelogram is height multiplied by the base

hope this helps

a triangle has a length of 15cm and 17cm. select all the values of its third side that would make it a right triangle.

options are:
8cm
29cm
2cm
514 squared
29 squared

Answers

Answer:

8cm & 514 squared are correct answers

Step-by-step explanation:

A bicycle has a listed price of $516.99 before tax. If the sales tax rate is 8.75%, find the total cost of the bicycle with sales tax included.
Round your answer to the nearest cent, as necessary. HELP QUICK!

Answers

Answer:

562.23

Step-by-step explanation:

Which equation represents 3/8 less than 7/8 of a number?

A. 3/8 -7/8n

B. 3/8n - 7/8

C. 7/8n-3/8

D. (7/8-3/8)n

Answers

The answer is D
Am sure its D

A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation, find out what price the widgets should be sold for, to the nearest cent, for the company to make the maximum profit.
y=-15x^2+801x-5900

Answers

Answer:

In order to maximize profit, each widget should sell for $26.70.

Step-by-step explanation:

The total amount of profit y given by the selling price of each widget x is given by:

[tex]y=-15x^2+801x-5900[/tex]

And we want to determine the price of each widget such that is yields the maximum profit.

Since the equation is a quadratic, the maximum profit will occur at the vertex of our parabola.

The vertex of a quadratic is given by:

[tex]\displaystyle \left(-\frac{b}{2a},f\left(-\frac{b}{2a}\right)\right)[/tex]

So, let's find the vertex. In our equation, a = -15, b = 801, and c = -5900.

Therefore, the price that maximizes profit is:

[tex]\displaystyle x=-\frac{801}{2(-15)}=\$26.70[/tex]

Therefore, in order to maximize profit, each widget should sell for $26.70.

Notes:

Then substituting this back into the equation, the maximum profit is:

[tex]y_{\text{max}}=-15(26.7)^2+801(26.7)-5900=\$ 4793.35[/tex]

18 out of 20 to percentage

Answers

Answer:

90%

Step-by-step explanation:

That would be 90% as it is equivalent to 9/10 or 90/100

What is the mean absolute deviation of each swim club?
A:5
B:50
C:0
D:10

Answers

Answer:

c

Step-by-step explanation:

a trailer that can be attached to the back of the truck also has a volume of 180 cubic feet. what could be the possible dimension of the trailer

Answers

Answer:

5x6x6

Step-by-step explanation:

5x6x6=180

3x3x20=180

4x5x9=180

[tex]\sqrt[3]{180}[/tex]=5.65

What’s the correct answer for question?

Answers

Answer:

The answer is 0

Step-by-step explanation:

Since any number squared by zero is 1 then x^0 is 1 and since -1^4 is -1 that gives you -1+1=0

In a survey of 400 people, 65% sald they owned a dog. How many people own a dog?

Answers

Answer:

260 people own a dog.

Step-by-step explanation:

Think of the equation as this:

65% of 400 people own a dog.

Since "of" in a math equation means to multiply, replace of with a multiplication sign.

65% * 400 = 260 people own a dog.

To check you're answer, make the fraction 260/400 into a percent.

260/400 = 65%

Have a nice day!!! ;D

Kami scores 45 points and 3 basketball games .
How many points does he score per game?

Answers

45 / 3 is 15 so 15 per game

Find the area of this circle. Use 3.14 for .
82 mm
The area of the circle is about mm2.
(Round to the nearest hundredth as needed.

Answers

Answer:

Step-by-step explanation:

What is 82 mm? The radius or diameter?

If the radius is 82 mm, the area is π82² ≅ 21,113.36 mm².

If the diameter is 82 mm, the radius is 41 mm and the area is π41² ≅ 5,278.34 mm²

he sum of two numbers is 43 and the difference is 5. What are the numbers ?

Answers

Answer:

24,19

Step-by-step explanation:

24+19=43

24-19=5

Pls help!!!! It is khan academy and I’m giving 15 points!

Answers

The inequality would be in the direction of the arrow
The arrow is <—— so the inequality is <
The circle is colored so -3 in including making it less than or equal
x<-3
_

Or B

Inequality of t+250+800

Answers

Answer:

2983839i8

468393749493948

Hsjejrhrjjh4u4i84748394

Je83847483

373783838383884

373838383

Jkffffffffffffffffffffffffffffdddfddfffffffddddddddddddddddddfffffffffffffffffffffffffff

Solve for x trignometry

Answers

9514 1404 393

Answer:

  23.44

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation ...

  Tan = Opposite/Adjacent

  tan(38°) = x/30

  x = 30·tan(38°) ≈ 23.4386

  x ≈ 23.44

What is the value of x?

6
8
10
12

Answers

360=77+59+62+66+12x (angle sum of polygon)
360=264+12x
360-264=12x
96=12x
x=8

Answer:

x = 8

Step-by-step explanation:

Find the value of
x
xx in the triangle shown below.
x
=
x=x, equals

∘
∘
degrees

5
8
∘
58
∘

x
∘
x
∘

6
6
6
6
5.8
5.8

Answers

Answer:

10

Step-by-step explanation:

he question lacks appropriate diagram. Find the diagram attached below.

From the isosceles triangle shown, we can see that it is made up of two right angled triangle.

Using the Pythagoras theorem to solve for the adjacent side of both right angled triangles we will have;

From the formula:

Hyp² = Opp²+Adj²

Adj² = Hyp² - Opp²

The hypotenuse and the opposite of both triangle is equal. Hence their adjacent side will also be equal.

Given Hypotenuse = √74

Opposite = 7

Adj² = Hyp²-Opp²

Adj² = (√74)² - 7²

Adj² = 74-49

Adj² = 25

Adj = √25

Adj = 5

The adjacent of both sides are equal

x = 2 × Adjacent side

x = 2(5)

x = 10

(07.01)
What is the value of x in the equation x + 10 = 13? (4 points)
1-3
0 2 3
3) 13
4) 23

Answers

x+10=13
-10 -10
—————
x= 3

Answer is: 2) 3

Answer:

x=3

Step-by-step explanation:

x+10=13

x=13-10

x=3

An ANOVA procedure is applied to data obtained from 6 samples where each sample contains 10 observations. The degrees of freedom in the denominator for the critical value of F test statistic is Group of answer choices

Answers

Answer:

The degree of freedom in the denominator = 114

Step-by-step explanation:

For Analysis of Variance procedure :

The number of groups, k is the number of distinct groups = 6

The total number of samples, N = number of groups multiplied by the number of samples per group ; N = 20 * 6 = 120

Degree of freedom (df) :

dfwithin = df of numerator = k - 1 = 5

df between = df of denominator = N - k

df denominator = 120 - 6 = 114


4) Triangle F and triangle G are shown below. Which sequence does not transform triangle F to
triangle G?

A) a 180° clockwise rotation about the origin

B) a 180° counterclockwise rotation about the origin

C) a reflection over the x-axis and then
a reflection over the y-axis

D) a reflection over the y-axis and then a
90° clockwise rotation about the origin

Answers

Answer:

D) a reflection over the y-axis and then a

90° clockwise rotation about the origin

Answer:

D) a reflection over the y-axis and then a

90° clockwise rotation about the origin

The Tunnel of Fear ride climbs straight up to its peak 505050 meters above the ground. Then, it drops 656565 meters into an underground tunnel.
What is the elevation of the tunnel relative to the ground?

Answers

Answer:

-15 meters.

Step-by-step explanation:

i did it on khan

Write the mix number as a fraction. 1 2/3 ||

Answers

Answer:

8/3

Step-by-step explanation:

Please help, I'll mark the correct answer as brainiest!!!

Answers

Answer:

$1612

Step-by-step explanation:

12% of 2400

12/100 * 2400

0.12 * 2400 = 288

Amount to be paid :

2400 - 288 = 2112

Down payment = $500

Amount owed =

Amount to be paid - Down payment

$2112 - $500

= $1612

Hence, amount owed for installment loan = $1612

Find the missing side of this right
triangle.
21
Х
15
x=
✓[?]
Enter the number that belongs in the green box.
Enter

Answers

Answer:

Step-by-step explanation:

square of 15 + square of x = square of 21

225 + square of x = 441

441 - 225 = 216

x = 216

Please help 13 points number 3 no links !

Answers

Answer:

H

Step-by-step explanation:

[tex]\frac{1}{4} + \frac{4}{5} = 1\frac{1}{20}[/tex]

Answer:

Hi, using L.C.M, It will be option H

A scuba diver descended 20 1/5 feet below sea level. Then, he descended another 3/ 1/5 feet. Which of the following is true about the scuba diver after both descents?
A.
The location of the scuba diver in relation to sea level was feet.

B.
The location of the scuba diver in relation to sea level was feet.

C.
The location of the scuba diver in relation to sea level was feet.

D.
The location of the scuba diver in relation to sea level was feet.

Answers

Answer:

A, B, C, and D

Step-by-step explanation:

all answer choices are the same

1) Determine the area of the shaded region.
14 ft
8 ft

Answers

Answer:

61.73 ft ^2

Step-by-step explanation:

area of rectangle

14x8 = 112

area of circle

π(4)(4) = 50.27

subtract

112-50.27 = 61.73

the sum of 1+3+5+7+...+101=?​

Answers

Answer:

.......117. hope it helps

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