2 years ago

6(y + 5) − 3y simplify

Mathematics

1 answer:

Elan Coil [88]2 years ago

4 0

I get 3y + 30.....................

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One number is 3 more than another number. if you add 12 to 4 times the first number, the result is 5 times the second number. Fi

aleksklad [387]

Answer:

first is -3, second number is 0

Step-by-step explanation:

you have two equations x+3=y and 4*x+12=5*y

Use the first one and write y in terms of x in the second equation:

4*x+12=5*(x+3)

4*x+12=5*x+15

12=5*x-4*x+15

12=x+15

x=-3

3 0

3 years ago

Can anyone help me???????????

sleet_krkn [62]

that's right the way you have it right now in the picture all adds up to 65

5 0

2 years ago

Lela and Pepe are playing a video game. The ratio of Lela’s game score to Pepe's score is 2 : 5. Then Lela completes a quest and

Fed [463]

Answer: Lela's original score was 16.

Step-by-step explanation:

Alright lets get started.

Suppose Lela score was L.

Suppose Pepe score was P.

The ratio of Lela’s game score to Pepe's score is $2:5$

So the equation will be

$\frac{L}{P} = \frac{2}{5}$

Cross multiplying

$5\times L=2\times P$

$P=\frac{5\times L}{2}$ .................equation 1

Then Lela completes a quest and scores 12 bonus points. The new ratio becomes $7:10$

$\frac{L+12}{P} =\frac{7}{10}$

Cross multiplying

$10(L+12)=7P$

Plugging value of P from equation 1

$10(L+12)= 7\times\frac{5L}{2}$

$20L+240=35L$

$15L=240$

$L=16$

Hence the score of Leela originally was 16. Answer

5 0

3 years ago

using the line of best fit as a guide, predict the number of weeks of practice it would take for someone to type 80 words per mi

Katyanochek1 [597]

Answer:

8 weeks

Step-by-step explanation:

5 0

2 years ago

Complete the table using the equation y = 5x + 3.<br> x -1 0 1 2 3 <br> y -? ? ? ? ?

Simora [160]

Answer:

See below

Step-by-step explanation:

When x=-1, y=5(-1)+3=-5+3=-2

When x=0, y=5(0)+3=0+3=3

When x=1, y=5(1)+3=5+3=8

When x=2, y=5(2)+3=10+3=13

When x=3, y=5(3)+3=13+3=16

Therefore, this is the correct table:

x -1 0 1 2 3

y -2 3 8 3 16

6 0

2 years ago