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Ulleksa [173]
3 years ago
12

Solve the equation for y0.6y + 1.2 = 0.3y - 0.9 + 0.8y​

Mathematics
2 answers:
Digiron [165]3 years ago
4 0

Answer:

y= 1.67

Step-by-step explanation:

0.6y + 1.2 = 0.3y + 0.9 + 0.8y

0.3 = 0.5y

1.67 = y

Ivanshal [37]3 years ago
3 0

Answer:

0.6y+1.2=0.3y-0.9+0.8y

       +0.9=        +0.9

0.6y+2.1=1.1y

-0.6y=-0.6y

2.1=0.5

y=4.2

Step-by-step explanation:

First you want to isolate the variable to one side which is exactly why I added 0.9 to both sides. Then you want to combine like terms. By combining like terms you can now distribute the variable by the value remaining, which led to me getting y=4.2

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The drama club sold 65 fewer adult tickets at $5 each than they did student tickets for $3 each. The total value of all the tick
dolphi86 [110]

Answer:

adults ticket sold= 60

student tickets =125

Step-by-step explanation:

So we need to make a system of equations. Lets say the variable a stands for adults tickets and the variable s stands for student tickets. Our first equation is going to be

s-a=65

that is because there are 65 more student tickets than adults.

the second equation is going to be

3s+5a=675

that is because the tickets will add up 675.

Now we have to make sure one of the variable cancels out when we add them together. So we have to multiply the first equation by 5.

5[s-a=65]

3s+5a=675

So then we end up with

5s-5a=325

3s-5a=675

We need to add them together and we end up with.

8s=1000

We need to divide by 8

s then equals 125.

So there are 125 students tickets.

We now plug 125 back into one of the equations. To make things easy lets to the first equation.

s-a=65

125-a=65

move the 125 over

-a=-60

multiply by a negative

a=60

So you have 60 adults tickets

4 0
3 years ago
The point (8,-4) is shown,which is the location of (8,-4 <br> A. Q<br> B. R <br> C. S<br> D. T
Setler [38]

Answer:

S

Step-by-step explanation:

Can't really explain

7 0
3 years ago
Read 2 more answers
A local amateur ice skater estimates that the probability she will place first in the next regional competition is 0.43. What ar
Nady [450]

The odds that local amateur ice skater will win in next regional competition when probability is given will be 43 to 57.

We have,

Probability that ice skater will place first in the next regional competition i.e. P = 0.43,

And,

Now,

According to the question,

The odd when probability is given is find out by using the below mentioned formula,

i.e.

Odds = \frac{P}{1-P}

Now,

Substituting the value of probability,

i.e.

Odds of winning this competition = \frac{0.43}{1-0.43}

On solving we get,

Odds of winning this competition = \frac{43}{57}

i.e.

The Odds of winning this competition are 43 to 57.

Hence we can say that the odds that local amateur ice skater will win in next regional competition when probability is given will be 43 to 57.

Learn more about probability here

brainly.com/question/13957582

#SPJ4

7 0
1 year ago
128 is 74% of what number , rounded to the nearest hundredth
Elis [28]

Answer:

172.97

Step-by-step explanation:

128÷74%=1.7297297297297

There is rounded to the nearest hundredth so the answer is 172.97

7 0
3 years ago
Shanice read a book that was 123 pages long. The first week, she read 67 pages. Then, she read the rest of the book over the nex
katrin2010 [14]

Answer:

She read 8 pages each day

Step-by-step explanation:

123 - 67 = 56

56/7 = 8

PLEASE GIVE BRAINLIEST THANK  YOU

8 0
3 years ago
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