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Paladinen [302]
3 years ago
5

Please help me I need help and please make sure your right THANK YOU :)

Mathematics
1 answer:
Triss [41]3 years ago
7 0

I got the following answer 484 you didn't say you needed it explained so I hope this helps.


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T.J. invests $8,100 in an account
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Answer:

I don't know

Step-by-step explanation:

if don't know

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The number of students at valley view middle school increased by 10%, To 770 total students were endrolled at valley view middle
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Before the increase, there were 693 students
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What is the solution to the system of equations y=-1/3x+9 and y=2/3x+12
amm1812

Answer:

{x = -3 , y = 10

Step-by-step explanation:

Solve the following system:

{y = 9 - x/3 | (equation 1)

{y = (2 x)/3 + 12 | (equation 2)

Express the system in standard form:

{x/3 + y = 9 | (equation 1)

{-(2 x)/3 + y = 12 | (equation 2)

Swap equation 1 with equation 2:

{-(2 x)/3 + y = 12 | (equation 1)

{x/3 + y = 9 | (equation 2)

Add 1/2 × (equation 1) to equation 2:

{-(2 x)/3 + y = 12 | (equation 1)

{0 x+(3 y)/2 = 15 | (equation 2)

Multiply equation 1 by 3:

{-(2 x) + 3 y = 36 | (equation 1)

{0 x+(3 y)/2 = 15 | (equation 2)

Multiply equation 2 by 2/3:

{-(2 x) + 3 y = 36 | (equation 1)

{0 x+y = 10 | (equation 2)

Subtract 3 × (equation 2) from equation 1:

{-(2 x)+0 y = 6 | (equation 1)

{0 x+y = 10 | (equation 2)

Divide equation 1 by -2:

{x+0 y = -3 | (equation 1)

{0 x+y = 10 | (equation 2)

Collect results:

Answer:  {x = -3 , y = 10

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3 years ago
Can someone on help me 20 points!
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Answer:

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Step-by-step explanation:

No probability numbers have been assigned to the branches, so there is insufficient information.

We note that "at least one head" includes all 7 branches above the last one (which is all tails). If the probabilities are all equal, then ...

  p(h > 0) = 7/8

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3 years ago
A brownie recipe calls for 1 cup of sugar in 1/2 cup of flour to make one batch of brownies
ser-zykov [4K]

Answer:

Step-by-step explanation:

anwser is A

6 0
2 years ago
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