# 2x+5y=34, x+2y=14 solve the system of linear equations

QUESTION POSTED AT 18/01/2020 - 07:39 AM

QUESTION POSTED AT 18/01/2020 - 07:39 AM

X=2 and y=6 i hope this helps

Part A:

there is 60% of lemon juice in a 1 liter of water

so 60% *OF* the 1 liter

( of technically means * in mathematics)

so

60% * 1 liter

or 0.6 * 1 liter

Now to find the total number of liters of lemon juice and water in the bottle

**(0.6*1)+x= 1**

(x being the amount of water)

Part B: We can calculate the number of liters of lemon juice that are present in the bottle

60% * 1

0.6 * 1

that is 0.6

So**there is 0.6 liters of lemon juice in the bottle**

Hope this helps :)

there is 60% of lemon juice in a 1 liter of water

so 60% *OF* the 1 liter

( of technically means * in mathematics)

so

60% * 1 liter

or 0.6 * 1 liter

Now to find the total number of liters of lemon juice and water in the bottle

(x being the amount of water)

Part B: We can calculate the number of liters of lemon juice that are present in the bottle

60% * 1

0.6 * 1

that is 0.6

So

Hope this helps :)

ANSWERED AT 20/02/2020 - 11:19 AM

QUESTION POSTED AT 20/02/2020 - 11:19 AM

**Answer: The correct option is**

**(C) **

**Step-by-step explanation: **We are given to **select the correct equation that is equivalent** to the following equation :

To check the equivalent expression, we need to **simplify equation (i).**

**The simplification of equation (i) is as follows :**

**Thus, the required equivalent equation is**

**Option (C) is CORRECT.**

ANSWERED AT 20/02/2020 - 11:15 AM

QUESTION POSTED AT 20/02/2020 - 11:15 AM

Simplified, here is your answer.

**ANSWER: 3x^7 / y**

ANSWERED AT 20/02/2020 - 11:13 AM

QUESTION POSTED AT 20/02/2020 - 11:13 AM

X - 38.45 = 17.71

x = 17.71 + 38.45

x = $56.16 ( Martha had in her pocket before buying the shirt )

Answer:

**A ) x - 38.45 = 17.71**

x = 17.71 + 38.45

x = $56.16 ( Martha had in her pocket before buying the shirt )

Answer:

ANSWERED AT 20/02/2020 - 11:06 AM

QUESTION POSTED AT 20/02/2020 - 11:06 AM

Dependent variable is the y value i think.

ANSWERED AT 20/02/2020 - 11:02 AM

QUESTION POSTED AT 20/02/2020 - 11:02 AM

Here, Out of all the options, Most appropriate expression for the linear value would be: Y = 5x

Where, y = perimeter of trapezoid

x = a base.

Now, x = 7, then,

Y = 5(7)

Y = 35

**In short, Your Answer would be Option C & 35**

Hope this helps!

Where, y = perimeter of trapezoid

x = a base.

Now, x = 7, then,

Y = 5(7)

Y = 35

Hope this helps!

ANSWERED AT 20/02/2020 - 10:21 AM

QUESTION POSTED AT 20/02/2020 - 10:21 AM

1000 times 1 + 2 = 1002

Done done done done done done done done done!!

Done done done done done done done done done!!

ANSWERED AT 20/02/2020 - 10:08 AM

QUESTION POSTED AT 20/02/2020 - 10:08 AM

The answer is the A :)

30*3 and you'll get the number of minutes Reggie walked

30*3 and you'll get the number of minutes Reggie walked

ANSWERED AT 20/02/2020 - 10:02 AM

QUESTION POSTED AT 20/02/2020 - 10:02 AM

The standard equation for a hyperbola with a horizontal transverse axis is

(x-h)^2/a^2 - (y-k)^2/b^2 = 1 . The center is at (h, k) . The distance between the vertices is 2a . The distance between the foci is 2c and c^2 = a^2 + b^2. Therefore,

8^2 = 6^2 + b^2

b = 2√7

Assuming it is located at the origin.

(x-h)^2/a^2 - (y-k)^2/b^2 = 1

(x)^2/6^2 - (y)^2/(2√7)^2 = 1

**x^2/36 - y^2/28 = 1**

(x-h)^2/a^2 - (y-k)^2/b^2 = 1 . The center is at (h, k) . The distance between the vertices is 2a . The distance between the foci is 2c and c^2 = a^2 + b^2. Therefore,

8^2 = 6^2 + b^2

b = 2√7

Assuming it is located at the origin.

(x-h)^2/a^2 - (y-k)^2/b^2 = 1

(x)^2/6^2 - (y)^2/(2√7)^2 = 1

ANSWERED AT 20/02/2020 - 09:54 AM

QUESTION POSTED AT 20/02/2020 - 09:54 AM

G. is your answer have a nice evening

ANSWERED AT 19/02/2020 - 06:08 PM

QUESTION POSTED AT 19/02/2020 - 06:08 PM

24x-3+0.06x=4(6.7)

24.06x-3=26.8

24.06x=29.8

x=about 1.24

24.06x-3=26.8

24.06x=29.8

x=about 1.24

ANSWERED AT 19/02/2020 - 06:01 PM

QUESTION POSTED AT 19/02/2020 - 06:01 PM

The answer would be B simply because it sounds more reasonable.

ANSWERED AT 19/02/2020 - 04:59 PM

QUESTION POSTED AT 19/02/2020 - 04:59 PM

**Answer:**

**Step-by-step explanation:**

We have been given an equation . we are asked to find the value of x that makes our given equation true.

Let us solve our given equation for x using opposite operations.

Subtract 8 from both sides:

Divide both sides by 4:

**Therefore, is the solution for our given equation.**

Let us verify our answer:

**Both sides are equal. Hence proven is solution for our given equation.**

ANSWERED AT 19/02/2020 - 04:35 PM

QUESTION POSTED AT 19/02/2020 - 04:35 PM

**Answer:**

**Option C is correct.**

The kind of growth model is shown in the table is exponential

**Step-by-step explanation:**

**Exponential growth function **is in the form of : ......[1]; where a is the initial value and b> 0.

**Consider any two point from the table:**

(1 , 5) and ( 2 , 25)

Substitute these in the equation [1] we get;

......[2]

......[3]

**Divide equation [3] by [2] we have;**

Simplify:

Now substitute this value in equation [2] we get;

Divide both sides by 5 we get;

Simplify:

1=a or a = 1

**Therefore, the table shown the exponential growth function is, **

ANSWERED AT 19/02/2020 - 03:44 PM

QUESTION POSTED AT 19/02/2020 - 03:44 PM

Perpendicular lines will have negative reciprocal slopes. Example : if u r given a slope of 1/3, to find the negative reciprocal, flip the slope and change the sign. So the negative reciprocal of 1/3 is -3/1 or just -3. So slope 1/3 and slope -3 are perpendicular.

==================

equation 2 :

4x + 2y = 6

2y = -4x + 6

y = -2x + 3...the slope here is -2....a perpendicular line will have a slope of 1/2.

y = (a/3)x - 6......so we have to make a/3 = 1/2......1.5/3 = 1/2

so a = 1.5

===================

eq. 2 : 3/4x + 2

not sure what the entire equation is.....but it looks to have a slope of 3/4. That means a perpendicular line will have a slope of -4/3.

3y + ax = 9

3y = -ax + 9

y = (-a/3)x + 3.....therefore, a has to be 4

==================

equation 2 :

4x + 2y = 6

2y = -4x + 6

y = -2x + 3...the slope here is -2....a perpendicular line will have a slope of 1/2.

y = (a/3)x - 6......so we have to make a/3 = 1/2......1.5/3 = 1/2

so a = 1.5

===================

eq. 2 : 3/4x + 2

not sure what the entire equation is.....but it looks to have a slope of 3/4. That means a perpendicular line will have a slope of -4/3.

3y + ax = 9

3y = -ax + 9

y = (-a/3)x + 3.....therefore, a has to be 4

ANSWERED AT 19/02/2020 - 02:18 PM

QUESTION POSTED AT 19/02/2020 - 02:18 PM

Using any specific formula or what?

ANSWERED AT 19/02/2020 - 01:41 PM

QUESTION POSTED AT 19/02/2020 - 01:41 PM

The answer is D !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

ANSWERED AT 19/02/2020 - 01:34 PM

QUESTION POSTED AT 19/02/2020 - 01:34 PM

For the answer to the question above,

1. If we let x as the side of the square cut-out, the formula for the capacity (volume) of the food dish is:

V = (12 - 2x)(8 - 2x)(x)

V = 96x - 40x^2 + 4x^3

To find the zeros, we equate the equation to 0, so, the values of x that would result to zero would be:

x = 0, 6, 4

2. To get the value of x to obtain the maximum capacity, we differentiate the equation, equate it to zero, and solve for x.

dV/dx = 96 - 80x + 12x^2 = 0

x = 5.10, 1.57

The value of x that would give the maximum capacity is x = 1.57

3. If the volume of the box is 12, then the value of x can be solved using:

12 = 96x - 40x^2 + 4x^3

x = 0.13, 6.22, 3.65

The permissible value of x is 0.13 and 3.65

4. Increasing the cutout of the box increases the volume until its dimension reaches 1.57. After that, the value of the volume decreases it reaches 4.

5. V = (q -2x) (p - 2x) (x)

1. If we let x as the side of the square cut-out, the formula for the capacity (volume) of the food dish is:

V = (12 - 2x)(8 - 2x)(x)

V = 96x - 40x^2 + 4x^3

To find the zeros, we equate the equation to 0, so, the values of x that would result to zero would be:

x = 0, 6, 4

2. To get the value of x to obtain the maximum capacity, we differentiate the equation, equate it to zero, and solve for x.

dV/dx = 96 - 80x + 12x^2 = 0

x = 5.10, 1.57

The value of x that would give the maximum capacity is x = 1.57

3. If the volume of the box is 12, then the value of x can be solved using:

12 = 96x - 40x^2 + 4x^3

x = 0.13, 6.22, 3.65

The permissible value of x is 0.13 and 3.65

4. Increasing the cutout of the box increases the volume until its dimension reaches 1.57. After that, the value of the volume decreases it reaches 4.

5. V = (q -2x) (p - 2x) (x)

ANSWERED AT 19/02/2020 - 01:10 PM

QUESTION POSTED AT 19/02/2020 - 01:10 PM

1-b

2-c

good luck .......

2-c

good luck .......

ANSWERED AT 19/02/2020 - 12:22 PM

QUESTION POSTED AT 19/02/2020 - 12:22 PM

-3x -7 + 4x + 7

= 4x - 3x - 7 + 7

= x - 7 + 7

= x

Or.. if your are doing it this way then it would be

(-3 * -7) + (4 +7)

= 3 * 7 + 4 +7

= 21 + 4 + 7

= 32

Hope these help! :)

= 4x - 3x - 7 + 7

= x - 7 + 7

= x

Or.. if your are doing it this way then it would be

(-3 * -7) + (4 +7)

= 3 * 7 + 4 +7

= 21 + 4 + 7

= 32

Hope these help! :)

ANSWERED AT 19/02/2020 - 11:44 AM

QUESTION POSTED AT 19/02/2020 - 11:44 AM

It stands for the number **6**

hope this helps you

hope this helps you

ANSWERED AT 19/02/2020 - 11:29 AM

QUESTION POSTED AT 19/02/2020 - 11:29 AM

12^x = 22

x * log 12 = log 22

finsih that then you round it to the nearest thousandth

that's what i learnt.

x * log 12 = log 22

finsih that then you round it to the nearest thousandth

that's what i learnt.

ANSWERED AT 19/02/2020 - 11:21 AM

QUESTION POSTED AT 19/02/2020 - 11:21 AM

X=-1 is the answer i beleive

ANSWERED AT 19/02/2020 - 09:42 AM

QUESTION POSTED AT 19/02/2020 - 09:42 AM

Y - y1 = m(x - x1)

slope(m) = -1/2

(-4,-2)...x1 = -4 and y1 = -2

now we sub

y - (-2) = -1/2(x - (-4) =

y + 2 = -1/2(x + 4) <=====

slope(m) = -1/2

(-4,-2)...x1 = -4 and y1 = -2

now we sub

y - (-2) = -1/2(x - (-4) =

y + 2 = -1/2(x + 4) <=====

ANSWERED AT 19/02/2020 - 01:12 AM

QUESTION POSTED AT 19/02/2020 - 01:12 AM

Y+3 = 4(x+1) since before you simplify its y-(-3)=4(x-(-1))

ANSWERED AT 19/02/2020 - 01:06 AM

QUESTION POSTED AT 19/02/2020 - 01:06 AM

First thing you should realize is that the only variable is x. Isolate x by adding 5 to both sides. This should give you

x = 5

This should have a line drawn straight down on the x-axis at x = 5

Hopes this helps :D

x = 5

This should have a line drawn straight down on the x-axis at x = 5

Hopes this helps :D

ANSWERED AT 19/02/2020 - 01:04 AM

QUESTION POSTED AT 19/02/2020 - 01:04 AM

F(x)= 1/5x - 17/5 is the answer

ANSWERED AT 19/02/2020 - 01:04 AM

QUESTION POSTED AT 19/02/2020 - 01:04 AM

-1/2x - y = 3/4

-1/2x - 3/4 = y....so u have a slope of -1/2

-1/2x - 3/4 = y....so u have a slope of -1/2

ANSWERED AT 19/02/2020 - 01:03 AM

QUESTION POSTED AT 19/02/2020 - 01:03 AM

The answer is A.

tbch i plugged them into a graphing calculator... ,:D too tired atm

tbch i plugged them into a graphing calculator... ,:D too tired atm

ANSWERED AT 19/02/2020 - 01:00 AM

QUESTION POSTED AT 19/02/2020 - 01:00 AM

The equation in choice-'C' describes F(n).

ANSWERED AT 19/02/2020 - 12:59 AM

QUESTION POSTED AT 19/02/2020 - 12:59 AM