20 points need help now

Answer:

8-3x

Step-by-step explanation:

Answer:

3 x n - 8

Step-by-step explanation:

Answer:

- 7

Step-by-step explanation:

Step 1:

3x - 2 = 2x - 9   Equation

Step 2:

x - 2 = - 9    Subtract 2x on both sides

Answer:

x = - 7    Add 2 on both sides

Hope This Helps :)

Answer:

The answer is -7

Step-by-step explanation:

3x-2=2x-9

Subtract the 2x from the right side.

x-2=-9

Add 2 to the left, and do the same to the right.

x=-7.

Answer:

2/3

Step-by-step explanation:

2/3 = 12/18

Find the LCD (least common denominator), it is 18. Convert 2/3 to ?/18

? = 12

2/3 * 6/6 = 12/18

12/18 > 10/18

Answer:

B.) 450

Step-by-step explanation:

I hope I could help

Answer:

450cm^2

Step-by-step explanation:

There are 4 triangles with 2 of each.

Triangle =[tex]\frac{1}{2}bh[/tex]

Triangle 1 = [tex]\frac{1}{2}(10)(15) = \frac{1}{2}(150) = \frac{150}{2} =75 *2=150[/tex]

Triangle 2 = [tex]\frac{1}{2} (15)(20)=\frac{1}{2}(300)=\frac{300}{2} = 150*2=300[/tex]

300 + 150 = 450

Answer:

Step-by-step explanation: i don't get what you are trying to ask

Answer:

A) 42

Step-by-step explanation:

Answer:

42

Step-by-step explanation:

It's A, it's less than 90 so it has of be acute

Answer: rotational symetry, reflection, and point

Step-by-step explanation:

Answer:

C = -2t + 30

Step-by-step explanation:

Answer:

Step-by-step explanation:

y + y + 72 = 180

2y = 180 - 72

y = 108/2

y = 54°

Answer:

Y = 90

X = 52

Step-by-step explanation:

Y is on a straight line. The sum of the angles on a straight line is 180.

The only other angle (that is marked) on this straight line, is a 90 degree one. So, <y + 90 = 180.

<y = 90.

Now <x + 38 = 90

so, x = 52

Answer:

Y = 90

X = 52

Step-by-step explanation:

Answer:

y=1/2x-2 slope is 1/2

Step-by-step explanation:

3x-6y=12

-6y=-3x+12

y=-3/-6x+12/-6

y=1/2x+-2

slope=1/2

Can I have brainliest!

Step-by-step explanation:

Hi,

the standard slope-intercept form for an equation of a line y = mx + b

where m is the slope and b the y-intercept.

3x-6y=12 Solving for y to put into the slope-intercept form

3x - 12 = 6y

y = (3/6)x - 2 Or y = (1/2)x - 2 Pt(0,-2) and (4,0) points on the line

m = (1/2) As y increases/decreases by 1, x increases/decreases by 2

CAN I HAVE THE BRAINLIST?

Answer:

x+63°+36°=180°(angle sum property in first triangle)

x+99°=180°

x=180°-99°

x=81°

x + z=180

81°+z=180°

z=180°-81°

z=99°

z+13°+y=180(angle sum property in second triangle)

99°+13°+y=180

112°+y=180°

y=180°-112°

y=68°

therefore, x=81°  z=99°  y=68°

hope it helps you

Answer:

Not the second one, I believe it’s the last one

Hello! :)

To solve your equation, we will first simplify both sides of the equation

-7 = -1 + x/3

-7 = -1 + 1/3x

-7 = 1/3x - 1

Next, we will flip the equation

1/3x - 1 = -7

Third, we will add 1 to both sides

1/3x - 1 + 1 = -7 + 1

1/3x = -6

Last, we will Multiply both sides by 3

3 * (1/3x) = (3) * (-6)

x = -18 (ANSWER)

That means -18 is you answer

Hope this helped you!

THEDIPER

Answer:

7.5

Step-by-step explanation:

7.5 is greater than 7.05

Answer:

7.5 IS GREATER THAN 7.05

that is true

Step-by-step explanation:

3×3x = 9x

3×7= 21

So 9x + 21

because you cant add a variable to a number that doesnt have the same variablem

Answer:

All real numbers make this equation true, so it is true.

Step-by-step explanation:

3(3x+7)=9x+21 if I were to input 3 as x on both sides, it would equal 48 on each side.

It essentially becomes 3(9+7)=27+21

then 3(16)=48

48+48

This is true for all variables, so the equation must be true

[tex]\tt{Hey![/tex]

[tex]\tt{Explanation:[/tex]

[tex]5x-3(4x-6)[/tex]

[tex]\tt{Distribute:[/tex]

[tex]5x+(-3)(4x)+(-3)(-6)\\5x+-12x+18[/tex]

[tex]\tt{Combine[/tex]  [tex]\tt{like[/tex]  [tex]\tt{terms:[/tex]

[tex](5x+-12x)+(18)\\[/tex]

[tex]\boxed{\tt{-7x+18}}[/tex]

[tex]\tt{Hope[/tex] [tex]\tt{this[/tex] [tex]\tt{helps![/tex]

Answer:

55 mph

Step-by-step explanation:

12pm-4pm is 4 hours

1pm-3pm is 2 hours

4+2 hours is 6 hours.

330 miles/6 hours is 55 mph

Answer:

A - 1 = w

Step-by-step explanation:

Step 1: Write equation

A = 1 + w

Step 2: Subtract 1 on both sides

A - 1 = 1 + w - 1

A - 1 = w

Answer:

4

Step-by-step explanation:

there are 2 combinations given already, and a 1 x 2 tile is half of the steel square, so  you could also have black+black and grey+spots so add all combinations together and you get 4 combos!

: )

Answer:

the sum of -10 and its opposite

Step-by-step explanation:

the sum of -10&10 = -10+10 = 0

the product of -10 and its absolute value

-10 × |-10|

-10×10 = -100

0>100

Answer:

x = 0

Step-by-step explanation:

2(x + 1) = 2

x + 1 = 2 ÷ 2

x + 1 = 1

x = 1 - 1

x = 0

Answer:

x = 0

Step-by-step explanation:

2(x+1)=2

2x + 2 = 2

2x = 2-2 = 0

x = 0

Hope this will help you

Answer:

I believe the answer is X=2.5

Step-by-step explanation:

7+2=9

so now we have to find what X would be so we can do the second equation

So we know that the second equation must equal 6 because 9+6=15

So now we experiment with different numbers for X

if we did 2, the new equation would be 2x2+1 which is 5, too low

if we did 3, the new equation would be 2x3+1 which is 7, too high

So we need something in the middle

in the middle of 5 and 7 is 6 which is the number we need

so to get 6 we need something in between 2 and 3, which in 2.5

hope this helped!

Answer:

16

Step-by-step explanation:

Given that:

Number of pencils = 64

Number of erasers = 48

To obtain the GREATEST number of pencils or erasers Ms. Franco can put in each box, the we find the greatest common factor of both numbers ; 64, 48

_____64 ___48

__2__32___24

__2__16___12

__2__8___ 6

__2__4___3

No number can divide both numbers simultaneously further.

Hence, greatest common factor :

(2 * 2 * 2 * 2) = 16

Answer:

62

Step-by-step explanation:

Using PEMDAS, you multiply and divide first, so 9x7=63 and 8/2=4

63-4=59 59+3=62 :)

Answer:

A-  Soft drink A

B-  Soft drink C

Find explanations yourself, i'll this much though.

Step-by-step explanation: