Please helppp correctly !!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answer:

the value if X is 8.

Step-by-step explanation:

firs,t, divide both sides of the equation.

2(4x-5)=54 -> 4x-5=27

then move the constant(-5) to the right hand side and change its sign

4x=27+5

add the numbers (27+5)

4x=32

divide both sides of the equation by 4

x=8

if you dont belive it, trying this

2(4×8-5

I hope this helps you. ^_^

Answer:

1. a=20

2. a=17

3. x=12 y=4

Step-by-step explanation:

set them equal to each other for each figure, the first one is 6a+10=130 therefore 6a=120 if you subtract 10 from each side. then you divide by 6 to get a=20.

For the next one set them equal again to get 4a-4=2a+30 first you add 4 to each side to get 4a=2a+34 then you subtract 2a from each side to get 2a= 34 then you divide by 2 to get a=17

Last one you have to set 6y+1 equal to 4y+9 because they are equal distance. you get 6y+1=4y+9 then you subtract 4y to get 2y+1=9 then you subtract 1 to get 2y=8 then you divide by two and get y=4

For the second variable of the last equation you set the remaining two equations equal to each other to get 2x-5=x+7 then you subtract x from both sides to get x-5=7 then you add five to each side to get x=12 so your final answer for the last question is x=12 y=4

Hope this helped ;)

Answer:

2sqrt(7)/5

Step-by-step explanation:

sqrt(28/25)

sqrt(28)/sqrt(25)

2sqrt(7)/sqrt(25)

2sqrt(7)/5

Answer:

4^6

Step-by-step explanation:

Add the 2 and 4 at the top

Answer: The answer would be 100 degrees.

Step-by-step explanation:

180 - (50+30) = 100

Hope this helps :)

Answer:

306

Step-by-step explanation:

Answer:

306

Step-by-step explanation:

-18x-17 is 306 because a negative number times a negative number is always a positive so it would be 18x17 which is 306

Answer:

Solving the system of equations:

x: 1

y: 2

Step-by-step explanation:

Plug it in to see if it is right, to make sure of course.  Better to be safe than sorry.

Answer:

y =5-3x

and

Step-by-step explanation:

First question

Subtract  3 x  from both sides of the equation

Answer:

9+5=14

14/2=7

7×7=49

the answer is 49

Answer:

sup 77

Step-by-step explanation:

Answer:

3x

Step-by-step explanation:

The GCF would be 3x, if you took out 3x from those numbers you'd be left with x^2, 2x, and 5, which can't be reduced any further.

Answer:

first choice

Step-by-step explanation:

a^2 + b^2 = c^2

a^2 + 10^2 = 15^2

a^2 + 100 = 225

       - 100    -100

a^2 = 125

square 125

a = 11.18

Answer:

peperoni is 45% and sausage is 25%

Step-by-step explanatioth

they equal a total of 100% if you add all the topping together

Answer:

peperoni is 45% and sausage is 25%

Step-by-step explanation:

i am just smart

Answer:

2

Step-by-step explanation:

OK 13-5=8 and that leaves 8k so k must be 2 because since their is no space they are being multiplied together and 8x2=16 :) hope this helps

plz give thanks

Answer:

it goes:

the 2nd one goes first and the first one goes second, the one with pi goes last

Step-by-step explanation:

Answer:x=-3

Step-by-step explanation:

Factor and set each factor equal to zero.

Answer:

Slope = [tex]\frac{3}{2}[/tex]

Step-by-step explanation:

Slope = [tex]\frac{6}{4} =\frac{3}{2}[/tex]

Answer:

Owlgebra

Heard this math joke before!! LOL

Have a nice day!!:D

Answer:

the amount is duplicating every time from 1 to 2 from 8 to 16

Step-by-step explanation:

Answer:

it's being multiplied by 2 every time, so 1×2=2 and it just keeps going on. 2×2=4, 4×2=8 and so fourth

$.01×2=$.02

Answer:

Less = 0.24

More = 0.76

Step-by-step explanation:

Given that:

Numbers drawn by Carmen :

4, 7, 6, 0, and 2

To make a decimal less than 1 from the numbers drawn:

First digit would be always be 0 since we aren't considering negative numbers

If they are playing for less; then the least 2 digits will be used in ascending order after the decimal point as;

2, 4

0.24

If they are playing for more; then the highest 2 digits will be used in descending order after the decimal point as;

7, 6

0.76

Answer:

x=5

Step-by-step explanation:

the angle LMN is a 90 degree angle, so we need 11x+35 to equal 90.

11(5)+35=90

The value of the function at x = 2 is -100

They are written in the form y = ab^x

Given the exponential function y = -4(5)^x

IF the value of x is 2, hence the expression becomes:

y = -4(5)^2

y = -4(25)

y = -100

Hence the value of the function at x = 2 is -100

Learn more on expoenential function here: https://brainly.com/question/12940982

Answer:

The solution to the system of equations will be:

[tex]x=9,\:y=6[/tex]

Step-by-step explanation:

Given the system of equations

[tex]\begin{bmatrix}2x-9y=-36\\ -14x+18y=-18\end{bmatrix}[/tex]

Multiply 2x-9y=-36 by 7

[tex]14x-63y=-252[/tex]

so the system of equations becomes

[tex]\begin{bmatrix}14x-63y=-252\\ -14x+18y=-18\end{bmatrix}[/tex]

Adding both equations

[tex]-14x+18y=-18[/tex]

[tex]+[/tex]

[tex]\underline{14x-63y=-252}[/tex]

[tex]-45y=-270[/tex]

solve -45y = -270 for y

[tex]-45y=-270[/tex]

divide both sides by -45

[tex]\frac{-45y}{-45}=\frac{-270}{-45}[/tex]

Simplify

[tex]y=6[/tex]

For 14x-63y = -270 plug in y = 6

[tex]14x-63\cdot \:6=-252[/tex]

[tex]14x-378=-252[/tex]

Add 378 to both sides

[tex]14x-378+378=-252+378[/tex]

Simplify

[tex]14x=126[/tex]

Divide both sides by 14

[tex]\frac{14x}{14}=\frac{126}{14}[/tex]

Simplify

[tex]x=9[/tex]

Therefore, the solution to the system of equations will be:

[tex]x=9,\:y=6[/tex]

Answer:

2 19/40

Step-by-step explanation:

Answer:

Infinite Many Solutions

Step-by-step explanation:

If I am correct the two lines are overlapping each other in more than one place so that means there are infinitely many solutions. Also, there can be no " two solutions" for this type of equation. There can only be one solution, no solution, or infinitely many solutions.

Answer:

$8,046

Step-by-step explanation:

9% of 89,400 = 8046

That's how much he earned.