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marin [14]
3 years ago
8

look at this equation and the steps used to solve it. Which answer is the best justification for step 1 of this solution

Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer:

Step-by-step explanation:

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I know the answers to this problem. I will give brainiest to the first one who ANSWER IS CORRECT.
const2013 [10]

Answer:

24240300

Step-by-step explanation:

multiply the numbers thand divide by 2.

3 0
2 years ago
A number is selected randomly from the integer from 10to30 what is the probability of picking a multiple of 4or5​
arlik [135]

Answer:

\frac{3}{7}

Step-by-step explanation:

Start by finding how many integers there are from 10-30...

30-10+1=20+1=21

Note we have to add 1 since it is inclusive.

Now, let's find how many multiples of 4 or 5 there are from 10-30...

4*3=12

4*4=16

4*5=20

4*6=24

4*7=28

5*2=10

5*3=15

5*4=20

5*5=25

5*6=30

5+5-1=9

Note we have to subtract 1 since 20 is counted twice.

The probability would be...

\frac{Multiples\ of\ four\ and\ five\ from\ 10-30}{Amount\ of\ integers\ between\ 10-30}=\frac{9}{21}=\frac{3}{7}

6 0
2 years ago
Determine the range of the graph
VashaNatasha [74]

Answer:

is 20

Step-by-step explanation:

hope this helps

8 0
2 years ago
A local charity is selling seats to a baseball game. Seats cost $20 each, and snacks cost an additional $5 each.
vlada-n [284]

Answer:

let seat as x,

and snack as y.

so the linear equation is 20x+5y=400.

7 0
2 years ago
Help please!!!<br><br> Thanks
tatiyna

Answer:

25.6

Explanation:

t = 2 seconds

h = 8 + 40.8(2) - 16(2)^2

Solve for h by simplifying both sides of the equation, then isolating the variable.

h = 25.6

3 0
3 years ago
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