Mathematics High School


The points (-2, a) and (-4, -10) fall on a line with a slope of 8. What is the value of a ?
а=

Answers

Answer 1

Answer:

(-2, -3)

Step-by-step explanation:

4 - 2 =2 + 1= 3 welcome :)

Related Questions

What value of x makes this equation true?

Answers

Answer:

27

Step-by-step explanation:

27/3-3=6 and 27/9+3=6

so both sides are equal to each other which makes the equation true.

What is the range of the function?

Answers

Answer:

D all real numbers

Step-by-step explanation:

Hope this helped

-2x + 10 +4x=70 (what is X?)

Answers

Answer:

x = 30

Step-by-step explanation:

-2x + 10 +4x=70

      -10          -10

-2x + 4x = 60

2x = 60

/2      /2

x = 30

Answer:

x=30

Step-by-step explanation:

combine like terms to get

2x+10=70

then subtract 10 from both sides

2x=60

then divide both side by 2

x=30

3rd time posting this dont skip need help ASAP and pls hurry bc i dont have much time i will give 10 pts + brainliest

Answers

Answer:

b 25 degrees

Translate the following phrase to an expression: the difference between twenty and twice a number. Evaluate the expression for n = 3.

Answers

Answer:

22-2n or 22-2(3)

Step-by-step explanation:

Answer:

14

Step-by-step explanation:

Rewritten as an expression it would be 20 - n^2, and with the variable substituted and multiplied, it will become 20 - 6.

20 - 6 = 14

Simplify the expression. Write the answer in scientific notation.
(4x10-5) (9x 10-5)
(4x 10-5) (9x 10-5) =
(Simplify your answer. Use scientific notation. Use the multiplication symbol in the math palette as needed.)

Answers

Answer:

so you take baby steps 4*10 then subtract 5 then 9*10 then subtract 5

Step-by-step explanation:

Just take baby steps then you will get it

The solution for the scientific notation will be 3.6 x 10⁻¹¹.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the scientific notation is calculated as below,

E = (4x 10⁻⁵) (9x 10⁻⁵)

E = ( 4 x 9 ) ( 10⁻⁵ x 10⁻⁵ )

E = 36 x ( 10⁻¹⁰)

E = 3.6 x 10⁻¹¹

Therefore, the solution for the expression will be E = 3.6 x 10⁻¹¹.

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The quotient of a number and eleven.​

Answers

Answer:

thats crazy man

Step-by-step explanation:

Which of the following mapping diagrams represents a function?

Help ASAP

Answers

Answer:

Step-by-step explanation:

The answer is B.

what are corresponding angles​

Answers

Answer:

any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal.

Step-by-step explanation:

When two lines are crossed by another line (called the Transversal), the angles in matching corners are called Corresponding Angles. i attached some images to help show you :)

i hope this helps!! <3

A building casts a 33 m shadow when the Sun is at an angle of 26. to the vertical. How tall is the the building, to the nearest meter? Use a trigonometric ratio to find the distance FE. A building casts a 33 m shadow when the Sun is at an angle of 26. to the vertical. How tall is the building, to the nearest meter? Use a trigonometric ratio to find the distance F E.​

Answers

so basically we just us do this

tan(26)=33/FE

Multiply to get rid of fraction

tan(26)FE=33

divide to get FE alone

FE = tan(26) * 33

FE=16.0951m

so it should be 16.0951m

0.4(20-10m)+ 2.5-2m-12.5

Answers

Answer:

-2-6m

Step-by-step explanation:

PLEASE HELP!!!

Which answer choice shows the numbers in order from least to greatest?

A) 2/3, -1/2, 7/12, 0.82

Answers

Answer:

- 1/2 7/12 2/3 . 82

Am I right

Challenge The price of Stock A at 9 A.m. was $14.26. Since then, the price has been increasing at
the rate of $0.13 each hour. At noon the price of Stock B was $15.01. It begins to decrease at the
rate of $0.09 each hour. If the two rates continue, in how many hours will the prices of the two
stocks be the same?
In about hours, the prices of the two stocks will be the same.
(Round to the nearest tenth as needed.)

Answers

Answer:0.6

Step-by-step explanation ik because i was told after listening to some dumb kid telling me the wrong answer its 0.6

Any expression with a __________ exponent is equal to ________.

Answers

Answer:

Any expression with a 0 exponent is equal to 1.

Eric took a test. All the questions have equal value. He answered 38 of the questions correctly.
This was 95% of the test questions. How many total questions were on the test?

Answers

Answer:

72% your welcome lolbrhdhhdvdceuegcstditdti

A.) The balance increases by approximately $0.20 everyday.
B.) The balance increases by approximately $150.00 everyday.
C.) The balance increases by $300.00 every month.
D.) The balance increases by $150.00 every month.

Answers

Answer:

b

Step-by-step explanation:

Use slope or distance formula to determine the most precise name for the figure A(-2,3) B(3,4) C(10,-1) D(5,-8)

Answers

Answer:

QUADRILATERAL

Step-by-step explanation:

Mark me as BRAINLIEST

it's for a math test . im tryna pass .

Answers

Answer:

H

Step-by-step explanation:

List the numbers shown from least to greatest.
3.5, 10, V14
= 3.5
= V14
3

Answers

The answer is
3.5
10
V14

This table shows the cost of different amounts of bananas.
Cost of Bananas
Weight
(pounds) Total Cost
(dollars)
1.5 0.87
4 2.32
4.5 2.61


What is the cost per pound of the bananas?

Answers

Answer:

0.29

Step-by-step explanation:

Because if you subtract 2.32 from 2.61 you get 0.29

Answer:

0.29

Step-by-step explanation:

Triangle ABC is similar to triangle XZY. Find the missing side x using proportions ( PLEASEE HELP ASAP)

Answers

Answer:

x=70º

Step-by-step explanation:

Triangle ABC, A/C=50º, B/C=40º

40º+50º=90º

Triangle XZY, Y/Z=20, Y/X=x

Since it is a right triangle it will add up to 90º.

So 90º-20=70

The missing angle x is 70

x= 70

The length of the unknown side of the triangle XYZ is 25 units.

What is similarity of triangles?

Two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal. This common ratio is called the scale factor.

Given is Triangle ABC which is similar to triangle XZY.

Since both the triangles are congruent to each other, their corresponding sides will be in equivalent ratios. Therefore, we can write-

BC/YZ = AC/YX

40/20 = 50/x

x = (50 x 20)/40

x = 50/2

x = 25

Therefore, the length of the unknown side of the triangle XYZ is 25 units.

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Which equation is equivalent to (1/3)x= 27x+2?

Answers

multiply everything by 3

x=81x+6

-80x=6

x=6/-80

x=3/-40

Answer:

x= -3/40

x= -0.075

Step-by-step explanation:

What is the slope of the line that contains the point (2,6) and (3,10)?

Answers

Work:

Slope: m= y1-y2/x1-x2
Points: (2,6) & (3,10)

m= 6-10/2-3
m= -4/-1
m= 4

The slope of the line that contains the point (2,6) and (3,10) is 4.

If a dice is Rolled find the probibllity

Answers

comeonshakeyourbodydothatcongaknowyoucantcontrolyourselfanylonger

Yosef typed a 48-word paragraph in 1/3 minute. What is his typing speed, in words per minute? I’m desperate please help me

Answers

Answer:

54 Words Per Minute

Hope I helped!

Need help ASAP! Tysm

Answers

Answer:

It is -7x + 5

Step-by-step explanation:

I could do a whole explanation, but I'm sure you want the answer quickly. So there ya go. Hope this helps!

Jenny watched a movie about aliens who never stop growing. Every alien is 10 centimeters tall at birth and grows exactly 8 centimeters each year. Let y represent the number of years since birth and h represent the alien's height in centimeters. Complete the equation that represents the relationship between y and h. y h 4 42 5 50 6 58 7 66

Answers

Answer:

h = 10 + 8y

Step-by-step explanation:

Given that :

Height of ght if all alien at birth = 10cm

Growth rate per year = 8 cm

Let:

y = number of years since birth

h = alien's height in centimeter

Relationship between h and y

h = Initial height + (growth rate per year*number of years)

h = 10 + 8y

Name the additive inverse of 5 + I

Answers

Answer:

so

Step-by-step explanation:

For example, the additive inverse of the positive number 5 is -5. ... This means that the additive inverse of a negative number is positive. For instance, if x equals -12, then its additive inverse is y = 12.

The additive inverse is (-5) + (-1)

what is additive Inverse?

To get a result equal to 0, add the original number and the additive inverse by simply changing the sign of the integer. On the basis of negation of the original number, the characteristics of additive inverse are listed below. For instance, if x is the starting number, then -x is x's additive inverse.

Given:

5 + I

As, the additive inverse is the opposite sign of the given number.

For example, if the number is -6 and we have to find its additive inverse.

So, the additive inverse will be 6.

So, the additive inverse is (-5) + (-1)

Learn more about additive inverse here:

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A maps scale is 1 inch: 2.4 miles. The map shows an airport that is 5 inches away from a city. How far away is the airport actually from the city? ____ miles

Answers

Answer:

12 miles

Step-by-step explanation:

1 times 2.4 is 2.4.  5 inches times 2.4 is 12.

Is 4π a integer ,rational, natural

Answers

Answer:

None of the above

Step-by-step explanation:

π by itself is irrational, so multiplying it by any number except 0 will keep it irrational, which means it's not rational, a natural number, or an integer

Answer:

4π is irrational

Step-by-step explanation:

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