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ioda
3 years ago
11

Help me with this please!!

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0

Answer: (2,7)

Midpoint formula = (\frac{x1,x2}{2} ,\frac{y1,y2}{2} )

1 + 3 / 2 = 2

5 + 9 / 2 = 7

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Help with this i give alot of points​
astraxan [27]

Answer:

1. ion

2. anion

3. cation

4. positive

5. negative

6. octet rule

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
John has a jar filled with 150 coins made up of quarters and nickels. The total value of coins is $26.70. How many quarters and
MrMuchimi

Let n be the number of nickels and q be the number of quarters in the jar.

Worth of each nickle is $0.05 and worth of each quarter is $0.25. So worth of n nickles will be 0.05n and worth of q quarters will be 0.25q.

There are 150 total coins in the jar. So we can write the equation as:

n + q = 150 (Equation 1)

Total value of coins is $26.70. So we can write the equation as:

0.05n + 0.25q = 26.70 (Equation 2)

From Equation 1 value of n comes out to be n = 150 - q. Using this value in Equation 2, we get:

0.05(150-q)+0.25q=26.70\\ \\  7.5-0.05q+0.25q=26.70\\ \\  0.20q=19.20\\ \\  q=96

Using the value of q in Equation 1, we get the value of n to be 54.

This means, John has 54 nickles and 96 quarters in the jar.

8 0
4 years ago
Michael had a great basketball
cricket20 [7]

Answer:

102

Step-by-step explanation:

if u add 35+5+62=102

8 0
3 years ago
Passing through(-1,8) and parallel to the line whose equation is 8x-9y-2=0
notka56 [123]
<h3>Answer:</h3>

y = 8/9x + 80/9

<h3>Step-by-step explanation:</h3>

<u>We are given;</u>

  • Equation of a line as 8x -9y -2 = 0
  • Coordinates (-1,8)

We are required to determine the equation of a line parallel to the given line and passing through a point (-1,8)

<h3>Step 1: Determine the Gradient of the given line </h3>
  • When an equation is written in the form y = mx + c, m is the gradient.
  • Therefore; we could write the equation 8x -9y -2 = 0 in the form of  y= mx + c

9y = 8x -2

y = 8/9x - 2/9

Therefore, the slope, m = 8/9

<h3>Step 2: Determine the equation of the line</h3>
  • We need to know that parallel lines have the same gradient
  • Therefore, the slope of the line in question is 8/9
  • It passes through a point (-1, 8)

We can therefore, determine the equation;

Taking another point, (x,y)

\frac{y-8}{x+1} = \frac{8}{9}

9(y-8) = 8(x+1)

9y - 72 = 8x + 8

 9y = 8x + 8 +72

 9y = 8x + 80

  y = 8/9x + 80/9

Therefore, the equation of the line is y = 8/9x + 80/9

4 0
4 years ago
What is the probability that the second apple is red?
Dafna11 [192]

Probably it is c. If you have a chance ask someone else to

4 0
3 years ago
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