2 years ago

I need help on this question!!!!!!!

Mathematics

1 answer:

vaieri [72.5K]2 years ago

7 0

Answer:

the answer is b

Step-by-step explanation:

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Phoebe, andy and polly share €270

jeka94

Answer:

Polly=30

Andy=60

Phoebe=180

Step-by-step explanation:

Polly=x

Andy=2x

Phoeby 3(2x)=6x

x+2x+6x=270

9x=270

x=30

Polly=x=30

Andy = 2x=60

Phoebe=6x=180

7 0

3 years ago

Does this equation have one solution, unlimited, or none? If its one (its not unlimited) show your work so I can understand it.

Musya8 [376]

Answer: none

1) combine like terms: 4x + 8 = 4x - 13

2) Add 13 to both sides (addition property of equality)

3) Subtract 4x from both sides (subtraction property of equality)

4) 21 does not equal 0

3 0

3 years ago

Read 2 more answers

Elasticity is also called

balandron [24]

Another word for elasticity is also called D: responsiveness

7 0

3 years ago

Solve the system of equations using multiplication. 3x – 3y = –3 5x – y = –13 What is the solution of the system?

love history [14]

ANSWER

The solution is

x=-3,y=-2

EXPLANATION

First equation

3x – 3y = –3

Second Equation:

5x – y = –13

Multiply the second equation by 3 to get:

Third equation:

15x-3y=-39

Subtract the first equation from the third equation:

$15x - 3x = - 39 - - 3$

$12x = - 36$

Divide both sides by 12,

$x = \frac{ - 36}{12} = - 3$

Put x=-3 into the first equation:

$3( - 3) - 3y = - 3$

$- 9 - 3y = - 3$

Group like terms,

$- 3y = - 3 + 9$

$- 3y = 6$

$y = - 2$

The solution is

x=-3,y=-2

6 0

3 years ago

Which expression is equivalent to 174 :

Archy [21]

174 is equal to 174 if thats what the last one means

8 0

3 years ago