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musickatia [10]
2 years ago
14

Hi i need help with these questions with distributive property pls help me:

Mathematics
2 answers:
zloy xaker [14]2 years ago
7 0

Step-by-step explanation:

-12x+24

4x-24y

30-6q

1/2c-4

-15+3b

-7d-14

Lilit [14]2 years ago
6 0

Answer:

-12x+8

4x-24y

30-6q

1/2c-4

-15-3b

-7d-14

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The senior class at South High school raised $80,000 from raffle tickets. Tickets cost $150 for a chance to win a Disney Vacatio
Effectus [21]

Answer:

y = 175. x = 300. Disney vacation is 300 sold. Cars sold were 175.

Step-by-step explanation:

They want to raise $80,000. There are a total of 475 tickets.

150x + 200y (Disney Vacation + Win a car) = 80,000

x + y = 475.

__
y=475-x

150x+200(475-x)=80000

150x+95,000-200x=80,000.

-50x + 95,000 = 80,000.

-50x = -15,000

x = 300.

Disney vacation is 300 sold.

300 + y = 475.

y = 175.

Cars sold were 175.

Additional Info:

I am 14 years old and I'm learning solving the systems by elimination and substitution, etc. Hope this is the correct answer.

8 0
2 years ago
In the 1990s, Brazil had a deforestation rate of about 0.48% per year.1 (This is the rate at which land covered by forests is sh
CaHeK987 [17]

Answer:

the answer is 1.453

Step-by-step explanation:

i am not sure about the answer but here are my steps. first he says in the 1990s  there was a deforestation rate of about 0.48%per year. and 1 is the rate of land that is shrinking. this means that if Brazil had a forest of area x then

x(0.48%)=1 therefore x=2.083

lets use that in this equation

the area left (the final answer) 2.083(0.48)^35= 1.453

(i asked about the unit its measured with because if it is measured by thousands of squared meters or kilometers just big unit measured to be exact my answer would be correct)

5 0
3 years ago
Y=2x y=7x + 15 substitution
sergejj [24]

y = 2x \\ y = 7x + 15

Substitute the given value of y into the equation y=7x+15

2x = 7x + 15

Move the variable to the left-hand side and change its sign

2x - 7x = 15

Collect like terms

- 5x = 15

Divide both sides of the equation by -5

x =  - 3

Substitute the given value of x into the equation y=2x

y = 2 \times ( - 3)

Solve the equation for y

y =  - 6

The possible solution of the system is the ordered pair (x,y)

(x,y) = ( - 3, - 6)

7 0
2 years ago
Read 2 more answers
Uhh- well uh i need help and it would be lovely if ya’ll helped ty very much
Radda [10]

Answer:

x + 3 = y

Step-by-step explanation:

Hope that helps!

7 0
3 years ago
Read 2 more answers
On Saturday, Kim's softball team will be having a family picnic. Hamburger patties
puteri [66]

Answer:

See below

Step-by-step explanation:

The patties (3 packs)

12x3= 36

The buns (4 packs)

9x4= 36

cost:

3x$4.98= $14.94

4x$2.16= $8.64

Add them to equal the total cost

= $ 23.58

4 0
3 years ago
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