Mathematics High School

Does anyone know the answer?

Answers

Answer 1

Answer:

sis 3rd option is correct

Related Questions

What is the sum of angles a + b?

Answers

Answer:

the sum is 240 each is 120

Step-by-step explanation:

Answer:

i think its 240.

Step-by-step explanation:

Do the ratios 20 /8 and 7 /3 form a proportion

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Answer:

Step-by-step explanation:

im smart

PLZ ANSWER THIS QUESTION!!!!

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Answer:

C. Shape with 4 equal sides

Step-by-step explanation:

Shape with 4 equal sides

Annual snowfall in Anchorage, Alaska, is normally distributed with a mean height of 76 inches and a standard deviation of 4.7 inches. What is the probability this year that it will snow between 71.4 and 80.7 inches in Anchorage?

Answers

Using the Empirical Rule, it is found that there is a 68% probability this year that it will snow between 71.4 and 80.7 inches in Anchorage.

What is the Empirical Rule?

It states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.Approximately 95% of the measures are within 2 standard deviations of the mean.Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, the mean height of 76 inches and a standard deviation of 4.7 inches, hence 71.4 and 80.7 inches is within 1 standard deviation of the mean, that is, there is a 68% probability this year that it will snow between 71.4 and 80.7 inches in Anchorage.

To learn more about the Empirical Rule, you can take a look at https://brainly.com/question/24537145

Old price was $72.00
New Price $38.16
What was the percent of
change?

Answers

pretty sure it’s 46.97%

please help! will mark brainliest if you're correct! Need help ASAP

Answers

Answer:

B is the closest i got to it

Step-by-step explanation:

Answer:

4187 ft^3

Step-by-step explanation:

10^3=1000

4/3*3.15*1000~4187 ft^3

HELP QUICK!! solve by substitution and show work please

Answers

Sorry for my handwriting
X=1
Y=-2

please help! image is below

explaination = brainliest

Answers

Answer:

x = 9

Step-by-step explanation:

(3x-20)/9 = 56/72

72(3x-20) = 9(56)

216x-1440 = 504

add 1440 to each side

216x = 1944

divide both sides by 216

x = 9

Answer:

Step-by-step explanation:

If you draw a segment parallel to a side of triangle that intersects two sides of the triangle, that segment divides the intersected sides into segments of proportional lengths.

9/72 = (3x - 20)/56

1/8 = (3x - 20)/56

3x - 20 = 1/8 * 56

3x - 20 = 7

3x = 27

x = 9

Answer: 9

work out the size angle DEF

Answers

Answer:

Step-by-step explanation:

Here, we want to get the value of angle DEF

we have this as ;

Angle DEF = 1/2 * DOF

1/2 * 150 = 75

This is because angle at the center is twice the angle at the circumference

What the area of the triangle!

need help with these question would mean a lot

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heyy I don’t think your pictures are loading it just shows grey

what fraction is shaded

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Answer:

1/100

Step-by-step explanation:

1/100
Hopefully it’s right.

plz help math question

Answers

Answer:

y = -2x +20

6x - 5y = 12

Put the value of y in 2nd equation

6x - 5( -2x +20 ) = 12

6x +10x -40 = 12

16x = 12 +40

16x = 52

x = 13/4

Putting the value of x in equation 1

y = -2x +20

y = -2(13/4 ) +20

y = 27/2

Do mark me as brainly. THANKS

I need help ASAP !!!!!!

Answers

Answer: ask somone else i a'm not good at these one

Step-by-step explanation:

hey!! what's

6+6÷12

.......................

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Answer:

Step-by-step explanation:

6+6=12

12/12=1

Step-by-step explanation:

= 6+ 6÷12

= 6+ 1/2

= 13/2

hope this will be helpful to you.

plz mark my answer as brainlist if you find it useful.

6) A model train is 7 in tall. If it was built
with a scale of l in: 3 ft, then how tall is
the real train?
A) 2 ft B) 21 ft
C) 10 ft D) I ft

Answers

id a is d than c is b butvthey arent equal so the answe is a

Simple math true and false. not that hard. 11th grade math though

Answers

Answer:

True

good luck, hope this helps :))

Answer:

True

Step-by-step explanation:

Pretty sure comrade. Also let me know if not right. Hope this helps

There is a line whose y-intercept is 8 and whose slope is 10. What is its equation in
slope-intercept form?

Answers

Answer:

y = 10x + 8

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 10 and c = 8 , then

y = 10x + 8 ← equation of line

Answer:

y = 10x + 8

Step-by-step explanation:

Hope this will help

what is the area of a pentagon with the side length of 13 and apothem of 9?

Answers

Answer:

290.761

Step-by-step explanation:

I need help asap, I'll give brainliest if its correct #34 points!

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Answer:

Step-by-step explanation:

Answer:

A, (-2,-5)

Step-by-step explanation:

look at this i think this boy likes me

Answers

Answer:

talk to him

Step-by-step explanation:

he def likes you lmazo

y > 2x – 5
Can you put this in a graph

Answers

Answer:

Desmos dot com

Click graphing calculator and there you go

Step-by-step explanation:

Answer:

I think this is what you looking

I recommend desmos or mathpapa

Find the length of each segment:

Answers

It is 3828 because yeah rawr

I need help with this number 9 pls

Answers

Answer:

angle B = 127.5 degrees

angle D = 127.5 degrees

Step-by-step explanation:

The above figure is of a kite.

the non-vertex angles( I. e angle B and angle D) are congruent to each other in a kite.

Let angle B be x.

therefore, angle D is also x. ......(as they are congruent to each other)

The sum of all the angles in a quadrilateral is 360 degrees.

therefore,

65 + 40 + x + x = 360

105 + 2x = 360

2x = 360 - 105

2x = 255

x = 255/2

x = 127.5

therefore, angle B and Angle D are 127.5 degrees each.

PLEASE ANSWER ASAP !!!

Answers

Answer:

the midpoint would be:(0,5)

Step-by-step explanation:

if the car moves with an average speed of 14 m/s,how far will it traveled in 65 s?

Answers

Answer:

910 m

Step-by-step explanation:

14 x 65 = 910

Answer: 910

Step-by-step explanation:

14 m is how many m the car does in 1 second so to work out how much m it does in 65 seconds you would have to times 14 by 65.

A bus travels 12 miles west and 16 miles south from its original location. How far is the bus from the original location?

Answers

Answer:

28 miles.

Step-by-step explanation:

12 + 16 = 28

Hope this helps and sorry if wrong!

Answer:

28 miles hope this helps have a nice day please gibe me brainliest :))

Step-by-step explanation:

Find slope of a line using points (2,0) and (4,3)

Answers

The slope of the line would be 3/2 because the slope formula would be y2-y1/x2-x1 so 3-0=3 and 4-2=2 so 3/2

Hope this helps

Have a great day/night

Feel free to ask any questions

Find the measure of b

Answers

Answer: 90°

Step-by-step explanation:

Angle b is vertical to the angle that has a measure of 90°

In the diagram, angle LH is parallel angle JK. Find measure H

Answers

Step-by-step explanation:

for triangle HLM

180-2x

180-(3x+6)

2x=3x-10

x=10°

180-36=144°

36-20=16°

H=2x

H= 180-144-16= 20°

3. Find the measure of the sides of the triangle if the vertices of AEFG are E
(1,4), F(5, 4), and G(1,0). Then classify the triangle by its sides.

Answers

The triangle EFG is an isosceles triangle as side EF is congruent to side EG.

How to determine a triangle according to its sides

In this question we have a triangle whose vertices are known. We need to define the figure according to the congruency among its sides. Two sides are congruent when both have the same length. There are three kinds of triangles:

Scalene - Three sides of different length.Isosceles - Two sides of equal length.Equilateral - All sides are of equal length.

Sides are formed each pair of vertices. The length of each side can be found by means of Pythagorean theorem:

l = √[(Δx)² + (Δy)²]

First, write the locations of the vertices:

E(x, y) = (1, 4), F(x, y) = (5, 4), G(x, y) = (1, 0)

Second, determine the length of every side of the triangle:

EF = √[(5 - 1)² + (4 - 4)²]

EF = 4

FG = √[(1 - 5)² + (0 - 4)²]

FG = √[4² + (- 4)²]

FG = 4√2

EG = √[(1 - 1)² + (0 - 4)²]

EG = 4

By direct comparison, we conclude that the triangle EFG is an isosceles triangle.

To learn more on isosceles triangles: https://brainly.com/question/10147636

#SPJ1

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