help pls i need help give ill give brainliest

Answer:

x = -2

Step-by-step explanation:

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3(x - 1) - 5x = 1 - 7(2 + x)

3x - 3 - 5x = 1 - 14 + 7x

3x - 5x = -2x

-2x - 3 = 1 - 14 + 7x

1 - 14 = -13

-2x - 3 = -13 + 7x

      +3 |  +3 + 7x

    -2x  | -10 + 7x

      2   |           2

        x = -10 + 4.5x

4.5 rounded is 5.

x = -10 + 5x

-10/5 = -2

Answer:

I think 5 faces and 10 edges

Step-by-step explanation:

i did this already

Hello!

x= 180 - 65 -36

=> 79°

z= 180 - 36

=>144°

(y+10 ) = 65°

Answer:

The 3rd answer;

6x - 9y = -9

Step-by-step explanation:

For an equation to have infinitely number of solutions, it needs to perfectly match the line on the graph, which this equation does when graphed out.

Slope

Answer:

a or b is a right answer

Step-by-step explanation:

seven and one twentieth

eight and three twentieth

Answer:

3

Step-by-step explanation:

If you divide the scaled image numbers by 3, then you get the numbers of the original image. Therefore, the scale factor is 3. Hope that helps :)

Answer:

240

Step-by-step explanation:

1) First you set up a proportion.

2) You do 12/60=x/1,200.

3) You cross multiply and do 12x1,200. Your answer is 14400.

4) Then you do 14400/60=240

Answer:

25.80 for mowing and 36.00 for babysitting.

Step-by-step explanation:

8.60 x 3 = 25.80

7.20 x 5 = 36.00

The height of the tallest doll = 12 inches

The height of 2nd doll = 12×7/10

The height of 3rd doll = 12×7/10×7/10 = 12×(7/10)²

The height of 4th doll = 12×7/10×7/10×7/10 = 12×(7/10)³

Therefore the height of the smallest doll = 12×[tex]7/10^{(n-1)}[/tex]

where n is the number of dolls

So, if there are 5 dolls then the height of the smallest doll will be

12×[tex]7/10^{(5-1)}[/tex] = 12×[tex]7/10^{4}[/tex] = 2.8812 inches

Step-by-step explanation:

1) let n be number of cans

if 1 can has 3 tennis balls, then

n cans will have 3n (n*3) tennis balls.

thus, 3n= 27 (equation)

n=27/3

n=9

2) let the initial temp. be y

y - 5° F = 37 ° F

3) average speed= total distance/ total time

= 40 m / 20 s

= 2 m/s

let me know if there's something you didn't understand, thank you!

-s.

Answer:

983

Step-by-step explanation:

iTS like code please trust me it's hard to explain. first floor is 167 second floor is 205 third floor is 451 fourth floor is 983 fifth floor is 640 and the sixth floor is 385

Answer:

1) p≥2

2) e-9=13

3) f<5

Step-by-step explanation:

1) If there are at least two slices left, there could be more, so use p≥2, meaning p is greater than or equal to 2.

2) e is your starting amount, so put that first, then it says it decreases by 9, so it is e-9=13.

3) If there are fewer than 5, it can not be 5 so you use <.

f<5 or gallons is less than 5.

Answer:

the third one is the correct one

Step-by-step explanation:

because there are 5 numbers between 90 and 99 and 6 number between 80 and 89 and the third diagram is the only one that matches

Answer:

Ryanne is 14

Let’s make her brother “x”

Her brother is three more then half her age.

So

X= 14/2 + 3

So solve.

14/2=7

7+3=10

X=10

Her brother is 10 or (c)

Answer:

He's 10

Step-by-step explanation:

14 ÷ 2= 7

7+3= 10

Hope this helps! :)

Answer:

The answer for this question is D

Step-by-step explanation:

Answer:

D. 208 418 cm^3

[tex]v = \pi \: r^{2} h \\ v = (3.14).( {15)}^{2} .(295) \\ v = 208417.5[/tex]

The variable in this algebraic expression is b

Answer:

The variable is b.

Step-by-step explanation:

Answer:

Step-by-step explanation:

They mods barely reply.

I'd say maybe update the app. The same thing happens to my account. Some info aren't always updated.

Answer:

Assuming that each equation only has one property. 1. Would be any line with a negative number as the slope Example: y = -2x, and no slope intercept would be attached because it is asking for a zero. Now if they are asking for an actual 0 attached (this doesn't need to be added unless asked) just add + 0 to the end which would be y = -2x +0. 2. Would be a line without a slope but rather an intercept. Example: y = 3. Now 3. Would be any equations with the x equivalent to a number.  Example: x = 2

Therefore, the answers would be: 1. y = -2x + 0 (or any other negative number as the slope). 2. y=3 or any other integer. 3. x=2 or any other integer.

Step-by-step explanation:

Answer:

(-7,-2)

Step-by-step explanation:

If a regular shape is rotated 180 degrees about the origin (0,0) it will end up opposite the original place.

So P = (-7,-2)

Answer:

12

Step-by-step explanation:

You need to use PEMDAS

No Parenthesis

4^2 is 16, since 4 * 4 = 16

Now the equation is 24 - 16 + 2*2

2 * 2 = 4

24 - 16 + 4

24 - 16 = 8

8 + 4 = 12

Hope this helps

Answer:

B > A

Step-by-step explanation:

its the third answer

Answer:

1 out of 3 times more likley but

Step-by-step explanation:

Answer:

The same inputs cannot have multiple different outputs

I USED WRONG ACCOUNT GIVE TO OTHER ANSWER

Answer:

A

Step-by-step explanation:

Surface area is the area of 1 side of the cube multiplied by the amount of sides so 4x4x6 is the right answer

Answer:

A

Step-by-step explanation:

Surface area is the area of 1 side of the cube multiplied by the amount of sides so 4x4x6 is the right answer

This is correct account SRRY

Edit:6x4x4

Answer:

1) 36

2) 81

Step-by-step explanation:

#1 you first have to figure out how much it is receding by. The first one is 100 - 19. The second is 81 - 17. The third is 64 - 15. So the forth one is 49 - 13=49

#2 is just times each number by three. You can tell becuase the first number is 1. And the next is 3. So 27 x 3= 81. (81 x 3=243)