Mathematics High School

-2-(x-3)=-4
What does x equal?

Answers

Answer 1

Answer:

x = 5

Step-by-step explanation:

-2 -(x-3) = -4  

 You have to switch the signs into their opposites when you have -(?)

-2 - x + 3 = -4              Add liked terms

-x + 1 = -4              

    - 1   - 1                     Subtract 1 from both sides

-x = -5                         Get rid of the negative in the x

/-1   /-1                          Divide -1 from each sides

x = 5

Answer 2
-2(x-3)=-4
Y-3=2
x=2+3
x=5

Related Questions

please help me with this i dont know wht im doing

Answers

Answer:

D: The slope is 3

Step-by-step explanation:

To figure out the slope, which is always a constant, you simply figure out the average displacement using the points we already know. This is described by the equation y2-y1/x2-x1. Let's use the ordered pairs (-3, 2) and (-1, 8) to figure this out.

8-2/-1-(-3) = 6/2 = 3

Another method you could use is to graph the points and figure out how many units y has to go up for every x over, or the "rise over run"

Either way, your slope is 3.

Answer:

its 3

Step-by-step explanation:

Will mark BRAINLIEST!!!!Which equation represents the relationship between x and y?
X
у
1
4
2
5
3
6
4
7
y = 3x + 1
y = x + 1
y = x + 3
y = x - 3

Answers

Answer:

Third one

Step-by-step explanation:

y=x+3

how do you find the perimeter of the isosceles triangle?

Answers

to calculate the perimeter of an isosceles triangle, the expression 2s + b is used, where s represents the length of the two congruent sides and b represents the length of the base.

you can also search online and there will be a calculator for it to make it easier, hopefully this helps ^^

What is the measurement of this angle

Answers

Answer:

50 degrees

Step-by-step explanation:

Erica purchased adult and youth tickets for a movie. She bought x adult tickets for $7 each and y youth tickets for $5. Write an expression that can be used to show the total cost, C, of all tickets.

C = 7x + 5y
C = (7 + 5)x
C = (7 + 5)(x + y)
C = 7y + 5x

Answers

Answer:

C = 7x + 5y

I don't know how to explain it's just simple math to me

Answer:

its A) 7x + 5y

Step-by-step explanation:

★PLSSSSS HELPPPPPPPPP★

Answers

Answer:

i believe its C

Step-by-step explanation:

HELPEUU


Esme bought a laptop computer. The regular

price of the computer was $998.95, but it

was on sale for 25% off. The taxes were

15%. Determine the purchase price.

Answers

$249.73 is the price of the laptop after the sale figure of 25% has been included. If taxes are counted then the total purchase price at the cashier counter will be $287.18 because the taxes of 15% on the $249.73 will be $37.45. Add the taxes onto the price of the laptop of $249.73 and you get the total purchase price with taxes included at $287.18

−2c + 6 = −8
Solve for c, please

Answers

Answer: c=13/2 but as a fraction

Step-by-step explanation:

Answer:

c = 7

Step-by-step explanation:

-2c + 6 = -8

Subtract 6 from both sides

-2c = -14

Divide -2 by both sides

c = 7

como se simplifican los términos algebraicos

Answers

Answer:

what the????????..........

CAN SOMEONE PLEASE HELPPP!!!!! It's Algebra 1. I attached the picture it's just one question.

Answers

You have to do 2h up, halph an hour parallel , and then a line more vertical than the 2h, then parallel the time he is on the top, and then a line down that stops parallel  for some time in the middle and then a line down to the bottom.

There you are almost but you have to do it with better measures.

what could -15-5 represent

Answers

Answer:

-20

Step-by-step explanation:

-15 - 5 is -20.

I hope that this helps! :)

PLEASE HELP ME ,THIS IS HARD ,AND I DON’T UNDERSTAND MATH..

Answers

Answer:

Step-by-step explanation:

divide y by x

in a table and coordinate pair, which is something like (0,4), x always comes first. So, in this table x is the time in seconds and y is the distance in meters. 120/4=30 meters per second. For the second part of the table, since we know what the slope is, or the constant rate of change, 30, we can multiply 30 by 25 which is 750. You can also use the equation y=mx, m is the slope, and x is a point on the coordinate pair. For example, in the second table, y=30(25). For the last part of the table, you can use the same equation. 270=30x. We try to get x alone so we do, 270 divided by 30 which is 9. So a cheetah runs at 270 meters per 9 seconds.

The answer above me is totally correct and has a very good explaination
But I’m still doing this
In the first part it is given time = 4s
Distance = 120m
And we have to calculate it’s speed
We know that speed = Distance/Time
So speed = 120/4
So speed = 30m/s
In second question
Now in the question it is given that cheetah walks at a constant speed
So here time= 25 seconds
Speed= 30m/s (from 1st question)
So distance= speed*time
distance = 30*25
Distance = 750m
Now in third question
Distance is given 270m
Also we know speed = 30m/s
So time = Distance/speed
Time= 270/30
Time = 9 seconds
So answers are
1st part - speed = 30m
2nd part - Distance = 750m
3rd part - Time = 9s
Hope it helps you!
That was a long question btw

math slope helpppp meeee

Answers

Answer:

1. -3/8     2. 1/2     3. -3/2

Step-by-step explanation:

You can use Y2-Y1/X2-X1 to find the answers

Ask me if you want it more in detail


Explain how the volume of a right cone relates to the volume of a cylinder with the same base
and height. Use diagrams and volume formulas to explain the relationship.

Answers

Answer:

its 1/3 of the volume of a cyinder with the same base

Step-by-step explanation:

a pyramid has the same policy with prisms of the same base

Volume is a three-dimensional scalar quantity. If the radius and the height of a cone and a cylinder are the same, then the volume of the cylinder is thrice the volume of the cone.

What is volume?

A volume is a scalar number that expresses the amount of three-dimensional space enclosed by a closed surface.

Assume a cone and a cylinder such that the radius of the base of both the figures is r units, while the height of the cone and cylinder both is h units.

The volume of the cone with radius r units and height h units now can be written as,

Volume of the cone = (1/3) × π × r² × h units³

The volume of the cylinder with a radius of r units and the height of h units now can be written as,

Volume of the Cylinder = π × r² × h units³

Taking the ratio of the volume of the cone and the volume of the cylinder,

Volume of the cone/Volume of the cylinder = (1/3)πr²h units³ / πr²h units³

Volume of the cone/Volume of the cylinder = 1/3

Volume of the cylinder = 3 × Volume of the cone

Hence, if the radius and the height of a cone and a cylinder are the same, then the volume of the cylinder is thrice the volume of the cone.

Learn more about Volume:

https://brainly.com/question/13338592

#SPJ5

Find the GCF of the two numbers, and rewrite the sum of the two numbers using the distributive property.

12 + 18
A) 4(2 + 3)
B) 4 + (2 + 3)
C) 6(2 + 3)
D) 6 + (2 + 3)

Answers

I think the answer is d

use the discriminant to determine how many and what kind of solutions the quadratic equation x^2-x=1 has

Answers

Answer:

Two solutions

Step-by-step explanation:

x^2-x=1

plug into the discrimiant fomurla

The asnwer ends up being 5

which is positive,  meaning that the discriminant has two solutions

Postitive number = Two solutions

The answer is 0 = One solution

Negative number = No solutions

:)

Deku and reaper also what is 2-4=?

Answers

Answer:

the answer is -2

Step-by-step explanation: The answer is from google

Answer:

-2

Step-by-step explanation:

indeed brother

Vanessa has $50.00 in a savings account that earns 10% annually, with interest compounded annually. How many dollars will Vanessa have in the account after 2 years?

Answers

Answer:

$60.00

Step-by-step explanation:

first take 50 and find 10% of that. we can do this by turning 10 into 0.1 and multiplying that by 50. this leaves you with 5. take 5 and multiply by 2 representing the 2 years, and get 10. then add the $10 to the $50 to get $60. hope this helped! pls give brainliest <3 :)

Answer Asap Will mark brainlest if it's right.

Answers

Answer:

B........................

Please help for brainliest.

Answers

Answer:

the answer is c

Step-by-step explanation:

sams candy store charges 2.50 per poud while cam charges 3 per pound meaning that sams candy is .50 cheaper per pound

What fraction of 34 it will take to make 23?

Answers

Answer:

34 = 2 × 17

Step-by-step explanation:

To reduce a fraction divide the numerator and the denominator by their greatest common factor, GCF

I will mark the brainiest! Please, and thanks! :)
(You can write them on paper, and upload a pic)

Answers

Answer:

I added the picture as an attached file below

Step-by-step explanation:

Hope it helps:)

Write the equation for the
line that passes through
(-3, 5) and is parallel to the
graph of y = 2x - 4.

Answers

Answer:

(

y

−

4

)

=

2

⋅

(

x

+

3

)

y

−

4

=

2

x

+

6

y

=

2

x

+

6

+

4

We get the equation of the line as :

y

=

2

x

+

10

The graph will look like this:

graph{y=2x+10 [-10, 10, -5, 5]

Step-by-step explanation:

please can someone solve​

Answers

Answer: both a and b are correct

Explanation: since it isn’t >= it needs a dotted line and she shaded downwards but y> which means it should go upwards

determine the slope of the line that contains (-4,2) and (6,8)​

Answers

The slope of this line would be change in y divided by change in x. (8-2)/(6–4) = 6/10. In simplified terms, it would be a slope of 3/5.


41 lbs of tomatoes cost $328.
How much would 5 lbs cost

Answers

Answer:

5 lbs of tomatoes would cost $40

Nevaeh read 49 1/2 pages in 2 1/4 hours. If she continues reading at the same rate, how many pages will she read in an hour?

Answers

Nevaeh reads 22 pages in a hour.

Step-by-step explanation:

49.5/9 is 5.5x4=22

Joe as 55 pieces of candy and niya as 15 how many do they have together

Answers

Answer:

They have 70 piece of candy together

Step-by-step explanation:

Since Joe has 55 and Niya have 15, this means that you have to do addition to find the total.

55+15=70

what is the value of y when x = 90?

Answers

Answer:

is there anything else??

Step-by-step explanation:

SOMEONE HELP ME TYSM

Answers

Answer:

[tex]\frac{7}{4}[/tex]

Step-by-step explanation:

Convert the mixed number into an improper fraction : [tex]\frac{5}{2}[/tex]Subtract how many liters Cara has already drank : [tex]\frac{5}{2}[/tex] - [tex]\frac{3}{4}[/tex] Transform the expression : [tex]\frac{10-3}{4}[/tex]Subtract the numbers : [tex]\frac{7}{4}[/tex]
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