Mathematics High School

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Answers

Answer 1

Answer:

a.2,3,4

Step-by-step explanation:

Related Questions

Solve for y: 6x + 2y = 12

PLEASE SHOW STEPS.
(Brainliest is going to be given once 2 people answer.)
# 12 Points

Answers

solve for y first

2y=12-6×

divide each term by 2 and simplify

y=6-3x

Answer:

y=6-3x

Step-by-step explanation:

6x+2y=12

6x+2y=12 divide all by 2

3x+y=6 subtract 3x from both sides

y=6-3x

Easy question the first person to answer it right gets 10 points: 1+2+3+4+5+6+7+8+9+10=?

Answers

Answer:

55

Step-by-step explanation:

Answer:

55

Step-by-step explanation:

Ben can type 153 words in 3 minuets. At this rate, how many words can he type in 10 minuets?

Answers

Answer:

510

Step-by-step explanation:

153/3=51 (words per min)

51x10=510 (words per 10 min)

Answer:510

Step-by-step explanation:

Any help on this please ?

Answers

Answer:

(0,-5), I believe.

Step-by-step explanation:

Answer:

It would be -5

Step-by-step explanation:

You have to plug in 0 into the function so it would look like

g(0)= (2/5 )(0) -5

g(0)= 0 -5

g(0)= -5

how do you solve inequalities and how do you graph them?​

Answers

Answer:

Graph a Linear Inequality

Step-by-step explanation:

Rearrange the equation so "y" is on the left and everything else on the right.

Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)

Shade above the line for a "greater than" (y> or y≥) or below the line for a "less than" (y< or y≤).

Find 152.875 + 35.4. Express your answer in decimal form.

Answers

Answer:

188.275

Step-by-step explanation:

152.875

 35.4

---------------------

 1   8    8   .  2 57

LINE UP THE DOT

HOPE THIS HELPS!!!!

7x-6=21+7x solve for x. ​

Answers

Answer: x= 34/7

Step-by-step explanation:hope this helps!

f(x)=4x+2
g(x)=x^2-1
Find (f+g)(-4)

Answers

(4x+2+x^2-1)(-4)=(x^2+4x+1)(-4)=(-4)^2+4(-4)+1

=16-16+1

=1

The Sum Of Two Numbers Is 18 And Their Difference Is 4

Answers

Answer:

The two numbers are 7 and 11.

[711?  Is this an ad?  ← :)]

Step-by-step explanation:

Let A and B stand for the two numbers.

We are told that:

1)  A+B=18, and

2)  A-B=4

Take the first expression and rearrange to isolate A:

A+B=18

A=18-B

Use this in the second expression:

(18-B)-B=4

-2B = -14

B = 7

From (1) we find A:  

A+B=18

A+7=18

A= 11

If A=11, then B=7 (from A+B=18)

CHECK:

Does A+B=18?

  11 + 7 = 18?  YES

Does A-B=4?

    11 - 7 = 4?  YES

Why is 1 + (−5) equal to −4?


Because it is 5 units to the right of 1 on a horizontal number line

Because it is 5 units to the left of 0 on a horizontal number line

Because it is 5 units to the right of 0 on a horizontal number line

Because it is 5 units to the left of 1 on a horizontal number lin

Answers

Answer:

because its 5 units to the left on a horizontal number line

Which expression is equivalent to x^-5/3?

Answers

Answer:

The one you selected is true <3

Step-by-step explanation:

Answer:

The one you selected is true I agree! :D

Step-by-step explanation:

A
B
C С
1. How many blue rhombus blocks does it take to build a scaled copy of Figure A:
a. Where each side is twice as long?
b. Where each side is 3 times as long?
c. Where each side is 4 times as long?
Can some plz help me

Answers

Answer:

c

Step-by-step explanation:

Graph the function f(x) = -x-8x-13

Answers

Answer:

the answer is there...

Jessie read three books in one week. At this rate, how many books will she read in 3 weeks?

Answers

Answer:

Jessie will read 9 books in 3 weeks.

Step-by-step explanation:

3 x 3 = 9

Answer: 9

Step-by-step explanation: If you need an equation, you can create one:

t = total number of books read

w = weeks

t = 3w

The 3 is there because she reads 3 books weekly, so you multiply the number of weeks by the number of books she reads.

Plug in 3 weeks:

t = 3(3)

t = 9 books

Jessie reads 9 books in 3 weeks.

80 inches of snow over 10 days what is the rate and unit rate

Answers

Answer:

The rate is 80 in. : 10 days

The unit rate is 8 in. : 1 day

Step-by-step explanation:

Divide 80 by 10, you get 8 which is the amount of snow you would get in 1 day.

Find the value of x

Answers

Answer:

134 degrees

Step-by-step explanation:

the angles in a triangle always add up to 180.

86+48=134

to find the last angle you subtract 180-134

this gives you 46 degrees

a straight line is always measured as 180 degrees.

180-46=134

so x=134 degrees

Find the measures of the sides of triangle DEF, then classify it by its sides. YOU MUST SHOW WORK TO GET CREDIT!

D(-2, 3), E(5, 5), F(-4, 10)

Answers

Answer:

FE = 10.30

ED = 7.62

FD = 7.28

Step-by-step explanation:

First, use coordinate system to draw a square that each angle of triangle reach the sides of the square, then use Pythagoras theory to find the length of the sides(c^2=a^2+b^2)

FE = root(9^2+5^2) = root(106) = 10.30

ED = root(3^2+7^2) = root(58) = 7.62

FD = root(2^2+7^2) = root(53) = 7.28

help with this question and i will do brainliest (if there are multiple answers)

Answers

So we have 2/3 s + 5/6 s
In order to simplify this, we need to get a common denominator and we can do this by multiplying 2/3 by 2, which yields 4/6 s.

Now, we add the two together:
4/6(s) + 5/6(s) = 9/6 (s) = 21

Finally, we can divide 21 by 9/6 which yields 126/9. This simplifies to 14.

S = 14

i give new question for not so many points. 44+4

Answers

Answer:

48

Step-by-step explanation:

Answer:

48

Step-by-step explanation:

44+4=48

yeah basic answer

HELPPPP MEE PLEASEEE!!

Answers

Answer:

6 , 1

5 , 2

4 , 3

Step-by-step explanation:

Just swap the numbers.

Answer:

x (input) y (output)

     6             1

     5             2

     4             3

     3             4                

Step-by-step explanation:

Because it is the inverse of the red table, the blue table would be the opposite: (Answers are shown above)

I hope this helps :)

5. a. After receiving a 3 % raise, Randy's salary is now $4 120. What was her
original salary? Her original salary was $

Answers

Answer:

$4000.

Step-by-step explanation:

Let x = original salary

x * 1.03 = $4,120.

x = 4000

what does a “mirror view” mean

Answers

Answer:

In mirror view, when you look at your self-view video, your video appears as if you were looking at your reflection in a mirror. The left and right sides of your image appear to be reversed.

Answer:

It means when a person can only see straight and not on the sides. For example, when you are looking at the computer screen, you also see things around it on the sides. By if a person has mirror view, the he only see only the thing directly in front of him and nothing else.

Step-by-step explanation:

2x + 3y = 5x - y
Complete the missing value in the solution to the equation.
( ,0)

Answers

Answer:

0

Step-by-step explanation:

If you replace y with 0 (which you do since you are given y = 0 and you are trying to find x from the (_,0) point), you get [tex]2x = 5x[/tex]. The only way for x to satisfy this is x = 0.

Phil would like to make a profit of $250 this summer mowing his grandfather’s lawn. If he plans to mow 20 times and estimates that his fuel costs will be $30 for the entiresummer,which equation could be used to determine how much should he charge for each mowing?

Answers

Answer:

which principle prevents a brach from abusing  its power

Step-by-step explanation:

which principle prevents a brach from abusing  its power

Answer:

20x - 30 = 250

Step-by-step explanation:

20x - 30 = 250

20x = 280

x = 14

It takes Susana 10 seconds to complete 5 math
problems. How many math facts can she complete
in 35 seconds?

Answers

Answer:

If you understand what I wrote you can get the answer.

Step-by-step explanation:

First find how long it takes her for each problem which is 10 seconds / 5 problems = 2 seconds per problem. Then take 35 seconds and divide it by 2 seconds which gives the number of problems she did in 35 seconds.

14 boys and 21 girls will be equally divided into groups. Find the greatest number of groups that can be created if no one is left out.

Answers

Answer:

7

Step-by-step explanation:

GCF of 14 and 21 is 7

Help please! Please!

Answers

2) y = x - 5
3) y = x + 3

Which shows a difference of squares?

10 y squared minus 4 x squared
16 y squared minus x squared
8 x squared minus 40 x + 25
64 x squared minus 48 x + 9

Answers

Answer:

8x^2 - 40x + 25

Step-by-step explanation:

The terms that show a difference of squares are given by:

10y² - 4x²

16y² - x²

What is a difference of squares?

It is when the square of two terms are subtracted, in the following format:

[tex]a^2 - b^2[/tex]

In this problem, the first two items are difference of squares, as:

[tex]10y^2 - 4x^2 = (\sqrt{10}y)^2 - (2x)^2[/tex]

[tex]16y^2 - x^2 = (4y)^2 - x^2[/tex]

More can be learned about difference of squares at https://brainly.com/question/24673551

Riley was scuba diving 12 feet below sea level. She dove 8 feet further down what now what is the expression.

Answers

Answer:

-12+(-8)=-20

-20 is the answer

What is the F(x) formula

Answers

Answer:


f (x) = mx + b. f (x) is the value of the function. m is the slope of the line. b is the value of the function when x equals zero or the y- coordinate of the point where the line crosses the y-axis in the coordinate plane. x is the value of the x-coordinate.
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