Mathematics High School

Which two points on the number line are opposites?
B
D
O points A and B
points B and C
O points C and D
O points A and D

Which Two Points On The Number Line Are Opposites?BDO Points A And Bpoints B And CO Points C And DO Points

Answers

Answer 1

Answer:

The answer is B, points B and C

Related Questions

PLEASE ANSWER!!!!! ASAP!!! WILL GIVE BRAINlIST!!!!!!!! THANKS!!!

Answers

Answer: 118

Explanation:
SA = (2*7*5)+(2*7*2)+(2*2*5)
= 70+28+20
SA = 118

Xoxo

For every 1 litre of water used to make a medicine, 150 ml of sucrose and 600ml of saline solution are used. Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

Answers

Answer:

1 litre:150ml:600 ml

Step-by-step explanation:

1 liter water

150 ml sucrose

600 ml saline

Answer:

20:3:12

Step-by-step explanation:

I really need help so please be right .Write the radical in simplest radical form and you must show all steps please. √(5/8)

Answers

Answer:

√5/6

Step-by-step explanation:

Your teacher is giving a test worth 200 points. There are a total of 32 four-point and
seven-point questions. How many 4 and 7-point questions are on the test?

Answers

a+b=32
4a+7b=200

a = 15
b = 20

There are 15 four pointers and 20 seven pointers. You can plug in the numbers to check.

I believe this is correct. If not i am extremely sorry.
Have a wonderful day :)

Answer: a+b=32

4a+7b=200

a = 15

b = 20

There are 15 four pointers and 20 seven pointers. You can plug in the numbers to check.

it only 5 points but it’s okay.

Step-by-step explanation:

B jada writes this equation for the sum of the ages (x)+(x+3) +3(x+3)-1=87 explain the meaning of the variable and each term of the equation.

Answers

Answer:

Please check the explanation.

Step-by-step explanation:

Given the equation

[tex](x)+(x+3) +3(x+3)-1=87[/tex]

simplifying the equation

[tex]x+x+3+3x+9-1=87[/tex]

adding similar elements

[tex](x+x+3x)+(3+9-1-87)=0[/tex]

[tex]5x-76=0[/tex]

Thus, the equation is a linear equation in one variable 'x'.

A term is a single mathematical expression, so the simplified expression has two terms which are:

5x-76

The term 5x has the variable 'x' of power 1.

The term -76 does not involve any variable, Hence, -76 is a constant term.

What is 3 ÷
2
5
?

The quotient is 7 and
.

A number line going from 0 to 3. Numbers 0, 1, 2, and 3 are marked on the line. Marks divide the spaces between each number into 5 equal parts.

Answers

Answer:

The quotient is 7 1/2.

Answer:

1/2

Step-by-step explanation:

got it right on edge

find three consecutive integers whose sum is 21

Answers

Answer:

6 + 7 + 8 = 21

Step-by-step explanation:

6, 7, and 8 are consecutive integers.

6 + 7 is 13. 13 + 8 = 21. So, 6 + 7 + 8 are consecutive integers that equal 21.

Answer:

6+7+8= 21

Step-by-step explanation:

6,7,8 follow consecutively. and if you add them, the sum is 21

Can someone help me answer this pls.

Answers

Scale shows weight = 193

Weight of assistant = 135

Weight of dog = x

x = 193 - 135

x = 58

The dog weighs 58 pounds.

what is the average rate of change?

f(x)=x^2+3

From x=0 to x=3​

Answers

Answer:

dk

Step-by-step explanation:

d

What is the sum of the coefficients in the polynomial 4x^2-3-7x^3

Answers

Answer:

-3

Step-by-step explanation:

Coefficients are numbers before variables

Graph the line with slope
1/2 and y-intercept -9

Answers

Answer:

Step-by-step explanation:

slope is the x axis and y intercept is the y axis

so 1/2 will go on the x axis and -9 will go on the y axis

1/2 uses the rise over run method

Answer:

Answer is in the screenshot. The equation for the line is y=1/2 x - 9

Step-by-step explanation:

To graph a line when you know the slope and y intercept, you make a point on the y intercept. Your y intercept iIs -9 so you would make a point on (0,-9).

After you have the point on (0,-9) you use the slope to create the rest of your line. Slope is just Rise  

                            Run

Your slope is 1/2. That means your next point on the line is up 1 unit and right 2 units. The next point on the line is (2,-8).

If the sides to a triangle are 20, 40, and 80 cem, is it Right triangle?

Answers

Answer: no

because using Pytago theorem, we have:

20² + 40² ≠ 80²

80² + 20² ≠ 40²

80² + 40 ² ≠ 20²

Step-by-step explanation:

Answer:

No, it does not follow the Pythagorean Theorem.

Step-by-step explanation:

A right triangle must follow the equation a^2 + b^2 = c^2 for its sides to be true. 20^2 + 40^2 = 2000.

the square root of 2000 equals about 44.7213595.

Thus, a triangle with sides 20, 40, and 80 is not a right triangle.

is y=12x+5 proportional

Answers

Answer:

no

Step-by-step explanation:

i think its not proportional because 12 and 5 dont have nothing in common they are not divisble by each other

the given diagram can be used to prove the Pythagorean theorem. which expression represents the total area of the red and blue squares?

Answers

Answer: the answer a2 + b2

area of red square = a2; blue square = b2 -> total area = a2 + b2

Step-by-step explanation:

Solve the inequality:
2x - 7<-5 or 10x + 5 >85

Answers

Answer:

Step-by-step explanation:

hi its me addison ray

A box of greeting cards contains 20 birthday cards, 15 get-well cards, and 15 thank-you cards.

Find the percent of each type of card in the box

Answers

Answer:

Birthday Cards= 40%

Get-well cards= 30%

Thank-you cards= 30%

Step-by-step explanation:

Can somebody help me with these? Will mark brainliest!

Answers

Answer:

5) rotation

6) rotation

Avril is reading the first Harry Potter book, Harry Potter and the Sorcerer's Stone. The book has a total of
308 pages. If Avril has read 33 pages after reading for 18 minutes, will she be able to finish the book in 3
hours? Depending on how long it takes Avril to read the book, how many more minutes will she need or
how many extra minutes will she have before 3 hours have passed?

Answers

Yes, she will finish it. She would have 22 min left.

Find the slope of the line that passes through the points (1, -2) and (9,7)

Answers

Answer:

9/8

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

   = ( 7 - -2)/( 9 - 1)

   = ( 7+2)/( 9-1)

   = 9/8

Which Theorem Is Being Used?

Answers

Step-by-step explanation:

by SAS since line BD is a perpendicular bisector

Answer:

Pythagoream theorem is being used

In a scale drawing of a house, 2 inches : 5 feet. The actual kitchen of the house will be 17 feet long. How long will the drawing of the kitchen be?

A. 5.2

B. 6.8

C. 7.5

D. 8

Answers

Answer:

B, 6.8

Step-by-step explanation:

Let's first find how many feet it is per 1 inch. We can do this by dividing 5 by 2

5/2= 2.5

Now it is 1 inch : 2.5 feet

17/2.5 = 6.8

1 x 6.8 = 6.8

6.8 inches : 17 feet

You could also solve this by doing

17/5 =3.4

3.4 x 2 = 6.8

6.8 inches : 17 feet

2.5kg of potatoes cost £1.40
Work out the cost of 4.25kg of potatoes

Answers

Step-by-step explanation:

2.5kg=£1.40

4.25kg= x

do cross multiplication

2.5x = 5.95

x=£2.38

Answer= £2.38

Nicholas has 22 nickels, dimes, and quarters. There are 3
less dimes than quarters and 2 more dimes than nickels.
How much money does he have?

Answers

Nickels: 22

Dimes: 24

Quarters: 27

2 more dimes than nickels, we already know that there are 22 nickles so...

Dimes= 24

3 less dimes that quarters ^(we already know how many dimes).

All we have to do is add 3 to the amount of dimes!

Quarters 27

____________________________________________________________

Now to find the amount of money you have to find out what each coin equals and multiply the number of coins by the cost of each coin, and then by 100 because there are 100 cents in 1 dollar.

22 nickels*5/100= $1.10

24 dimes*10/100= $2.40

27 quarters*25/100= $6.75

1.10+2.40+6.75= $10.25

The amount of money he has in $10.25

(2.3x10^4)x(1.5x10^-2

Answers

here's the solution luv

Answer:

3.45x10^2

Step-by-step explanation:

Thankyou

What is the correct answer to this equation 2+10×2-5+3=

Answers

Answer:

20

Step-by-step explanation:

apply BODMAS

10*2+3+2-5

20

2+20-5+3
22-5+3
17+3
20

The answer is 20

N more then then the difference of 7 and 2

Please help me ASAP!!!!

Answers

Answer:

what exactly is your question

A: x = 3
B: y = 3
C: y = x
D: x = 6
help please

Answers

I think it’s C because you would use a rise over run method

Tell whether the ordered pair (2, -5) is a solution of the system:
x + 3y = -13
4x + y = 3

yes or no

Answers

yes for both of them
the answer is yes they both have (2,-5) as an ordered pair

2)
2r+8-r=-7 solve the equation

Answers

Answer:

r = -15

Step-by-step explanation:

2r + 8 - r = -7

~Combine like terms

r + 8 = -7

~Subtract 8 to both sides

r = -15

Best of Luck!

Answer:

hii

Step-by-step explanation:

Group Like Terms

2r-r+8=-7

Add smiliar elements

r+8=-7

Subtract 8 form both sides

r+8-8=-7-8

SImplify

r=-15

State if the given functions are inverses.
1)
F(x)=1/2x -2
g(x) = 2x + 4

Answers

Answer:

Yes

Step-by-step explanation:

if [tex]f(x)=\frac{1}{2}x-2[/tex] then what is [tex]f^-1(x)[/tex]  (the inverse of f(x)? let's find out[tex]f(x)=\frac{1}{2}x-2\\y=\frac{1}{2}x-2[/tex] make f(x) into yThen make y into x and make x into y so [tex]x=\frac{1}{2}y-2[/tex][tex]x=\frac{1}{2}y-2[/tex] now get the new y on the left and everything else on the right[tex]x=\frac{1}{2}y-2\\x+2=\frac{1}{2}y\\2(x+2)=(2)\frac{1}{2}y\\y=2x+4[/tex] now make y = g(x)[tex]g(x)=2x+4[/tex] So you found the inverse of f(x) and it is the same as g(x), so the functions are inverses of each other
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