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Charra [1.4K]
3 years ago
11

Need help True or False

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0

The answer to this question is false because it cannot still be both negative after you reflect over two positives.

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Answer: A

Step-by-step explanation: if not A then B if not B then C if not C then D if not D then your teacher doesn't like you.

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Georges asked five of his friends how long they studied for the last math test and what grade they received. He found a linear r
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3 years ago
Which dog eats the most food per week
creativ13 [48]

Answer:

buddy

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3 0
2 years ago
Read 2 more answers
aljebra questions anum counted the money she had in her purse and money box . When she doubbled the amount in her purse and add
inna [77]

Answer:

<em>Money in her purse is Rs. 500.</em>

<em></em>

Step-by-step explanation:

Let the money in her purse = Rs. x\\

Let the money in her Money box = Rs. y

As per question statement,

  • Double the money in her purse (i.e. 2 \times x) and add it to the amount in money box, she gets Rs. 1700.

2x+y=1700  ........ (1)

  • Triple the money in her purse (i.e. 3\times x) and add it to amount in money box (y), she gets Rs. 2200.

3x+y=2200 ....... (2)

<u>To find: </u>Money in her purse = ? i.e. x=?

Let us solve for x using the two linear equations.

We can use substitution method here i.e. find value of one variable from one equation and then substitute that value in other equation.

Using equation (1), we get the value of y as follows:

y=1700-2x

Now, let us put this value of y in equation (2) to find the value of x:

3x+1700-2x=2200\\\Rightarrow x+1700 = 2200\\\Rightarrow x=2200-1700\\\Rightarrow x = Rs.\ 500

<em>Money in her purse is Rs. 500.</em>

6 0
3 years ago
There are 200 students in the 7th grade class at Brookside Middle School. Of these students, 12% play volleyball and 15% play ba
Phoenix [80]
P(volleyball and baseball) = 4/200 x 100 = 2%
P(either volleyball or baseball) = P(volleyball ∪ baseball) = P(volleyball) + P(baseball) - P(volleyball and baseball) = 12% + 15% - 2% = 25%.

25% play either volleyball or baseball.
4 0
3 years ago
Read 2 more answers
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