Help!! ALGEBRA. HELP PLEASE

Answer:

80

Step-by-step explanation:

Answer:

x=9/23 and y=18/23

Step-by-step explanation:

Substitute 2 x for y in 25x−y=9

25x−y=9

25x−2x=9

23x=9

23x/23=9/23

x=9/23

substitute 9/23 for x in y=2x

y=2x

y=2(9/23)

y=18/23

x= 9/23 and y=18/23

Answer:

onc

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given the data:

income ____frequencies ___ relative frequency

200-300_____69 __________ 0.227

301-400_____ 73 __________0.240

401-500_____ 81 __________ 0.266

501-600_____65 __________ 0.214

>600_______ 16 __________ 0.053

Total frequency :

(69 + 73 + 81 + 65 + 16) = 304

Answer:

14.86606875 or

[tex] \sqrt{221} [/tex]

Step-by-step explanation:

[tex] {5}^{2} + {14}^{2} = 221[/tex]

[tex] \sqrt{221} [/tex]

use the pythagorean theorem

Answer:

1/4 or 0.25

Step-by-step explanation:

Find the common denominator to fill in the first 2 blanks.

1/2 = 2/4

1/4 = 1/4

2/4 - 1/4 = 1/4 or 0.25

Answer: E. 40

Step-by-step explanation:

The x-intercept of a line is when the y coordinate is equal to zero, so input zero in for y and solve for x to find the x-intercept.

1/2x + 3/5(0) = 20

1/2x = 20    

 x = 40

Answer:

It is C

Step-by-step explanation:

12*50 = 600

12*100= 1,200  then 1,200/2= 600

Answer:

9.32-7000=-6990.68 is your answer

Answer:

below

Step-by-step explanation:

If line C is parallel to another line, they will have the same slope. so calculate the slope first:

8-2/8-0=3/4(simplified)

and thats it

cAnswer: its c

Step-by-step explanation:

Answer:

7 times p =   7p

Step-by-step explanation:

The algebraic expression of 7 times p is 7p.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

7 times p.

This can be written as,

= 7p

Thus,

The expression is 7p.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ2

Answer:

0 < x < 4.1, all in feet

Step-by-step explanation:

The 3rd side cant be zero but it must be shorter than the other two sides added together, or it wont make a triangle

0 < x < (3.1 + 1)

0 < x < 4.1, all in feet

Answer:

yes jdjdjdkdjjdjdjdjdjdndndndjd am so sorry

Step-by-step explanation:

Answer:

y = [tex]\frac{1}{3}[/tex]x + 1 [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

y = -3x - 1

1. Perpendicular line needs the opposite (reciprocal) of the slope.

             reciprocal of -3 is -1/3, slope 1/3.                    y = 1/3x + b

2. Now find the b (y-intercept).                                     1 = 1/3(-1) + b

                                                                                       1 = -1/3 + b

                                                                                 + 1/3  +1/3

                                                                                    1 1/3 = b

3. Answer         y = [tex]\frac{1}{3}[/tex]x + 1 [tex]\frac{1}{3}[/tex]

Answer:

1/3

Step-by-step explanation:

Answer:

1/3

Step-by-step explanation: because the equation is in the format f(x)= mx+b and mx represents slope and b represents y. 2/9x is the slope so 1/3 is the y intercept (can i have brainliest)

Answer:

10/3 ..don't trust I might be wrong

Answer:

B

y=2x+4

Step-by-step explanation:

The y-intercept is 4, as the line passes through the y-axis only once, and at (0,4)

The format of a linear graph is y=mx+b where m is the slope and b is the y-intercept.

You can already tell that B is the only one with the y-intercept of 4.

The slope can be calculated quite easily, as we will start from (0,4) and make our way up to the next easily discernible point. The next most easily point seen is (2,8) so we will use the slope equation to find the slope. The equation is more or less like y2-y1  over x2-x1.

The y2 and x2 would be the (2,8) point because that is the second point on the line we are using. The x1 and y1 would be the first point (0,4). Now we will fill in the equation, which will look like 8-4  over 2-0  which will be 4 over 2, simplified to 4/2 and 2/1, being equal to 2.

The slope/m will be equal to 2, so the equation will look like

y=2x+4

Hope this helps!

Answer:

While it’s possible to create a dot plot using this data, plotting 50 points on a number line is cumbersome. The more data points there are, the more tedious it is to make a dot plot. For this case, it might be better to use a different visual representation.

Step-by-step explanation:

This is the Plato sample answer I would suggest changing it up a little bit

Answer:

While it’s possible to create a dot plot using this data, plotting 50 points on a number line is cumbersome. The more data points there are, the more tedious it is to make a dot plot. For this case, it might be better to use a different visual representation.

Step-by-step explanation:

This is actually the sample answer from plato

Answer:

I'll just do the entire thing since it's 13 points

1. 35

2. 45

3. 45

4. 65

5. 115

6. 65

7. 80

8. 35

9. 145

Answer: Answer would be C.80

Answer:

8

Step-by-step explanation:

3x8=24-4=20

Hope this helps!

Answer:

Look down below!

Step-by-step explanation:

Alright, so let's start solving this

1. First we are going to be placing the x one one side and the constants (or the regular numbers) on the other side.

How to do that?

Well, we can take -3x and 20 to their other sides.

The reason for this is that we don't want to have the value with x as a negative

So we do

-3x-4 = 20

+3x -20 -20+3x

You may not understand what was about but all I did was just added 3x to both sides and subtracted 20 to both sides to make the new equation

-24 = 3x or 3x = -24

Now we can see that the x has a number it is being multiplied with so to get rid of the number we divide everything by 3

So

3x/3 = -24/3

Which results in x = -8 and voila, there is your answer!

Answer:

30 marbles

Step-by-step explanation:

x = total # marbles

5/2 = x/12

2x = 60

x = 30

Answer:

f=5 and f=0

I substituted wrongly at first but i now i am sure i got it right

brainliest please

Answer:

It’s 5,41

Step-by-step explanation:

Answer:

Both, you and your friend, are correct.

Step-by-step explanation:

5 P 5 = 5!

A shortcut I learned is that in the permutation equation nPn when n is the same on both sides, it is equal to if you used factorial, n!.

Answer:

Answer:

The answer is B

Step-by-step explanation:

1/6 * 4=2/3

2/3 * 2=   1  1/3

Answer:

Let x be how much more money Jose needs to save.

135 + x = 499

x = 364

Jose needs to save 364 more dollars.

Let me know if this helps!

Answer:

364*

Step-by-step explanation:

499-135=314

364+ 135=499

I put 449 instead of 499 so now i feel foolish. But that's okayy.

Answer:

-2 1/2 is greater

Step-by-step explanation:

-2 1/2 because a half is bigger than a 8th.