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Masja [62]
3 years ago
12

Please answer the question in the photo that I have attatched. Please also explain how to solve it so I may solve the others.

Mathematics
1 answer:
Svet_ta [14]3 years ago
8 0
Use Pythagorean theron: a^2 + b^2 = c^2
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For every two laps Jane swims Betty swims 3 laps. If they swim a total of 35 laps how many did each girls swim
7nadin3 [17]

Answer:

betty swam 21 jane swam 14

Step-by-step explanation:

4 0
3 years ago
Can someone help with that?<br><br>if x+y=2, calculate: <br>P=4x (x-3)+4y(y-3)+8xy​
olganol [36]

Answer:

Step-by-step explanation:

P = 4x(x - 3) + 4y(y - 3) + 8xy

  = 4x² - 12x + 4y² - 12y + 8xy

  = (4x² + 8xy + 4y²) - (12x + 12y)

 = 4(x² + 2xy + y²) - 12(x + y)

 = 4(x + y)² - 12(x + y)

x+y =2 ⇒ P = 4.2² - 12.2 = 16 - 24 = -8

6 0
3 years ago
What is the slope of the line that passes through the points (48, 10) and (-36, 17)?
schepotkina [342]

Answer:

y = m x + b      equation of a straight line

m = (y2 - y1) / (x2 - x1)     slope of line

m = (17 - 10) / (-36 - 48) = 7 / -84 = -1 / 12

y = -x / 12 + b     equation of line

Or b = y + x / 12

If y =  10 and x = 48 then    b = 10 + 48 / 4 = 14

if  y = 17 and x = -36 then b = 17 - 36 / 12 = 14

So b = 14 and   y = -x / 12 + 14

4 0
3 years ago
What is the image point of (8,-3) after a translation right 5 units and down 5 units?
pshichka [43]

Answer: (13, -8)

Step-by-step explanation:

Subtract 5 from -3

Add 5 to 8

3 0
2 years ago
Which shows the correct substitution of the values a, b, and c from the equation 1 = –2x + 3x2 + 1 into the quadratic formula?
Alchen [17]
1=-2x+3x^2+1\\\\3x^2-2x+1-1=0\\\\3x^2-2x=0\\\\\boxed{a=3;\ b=-2;\ c=0}
6 0
3 years ago
Read 2 more answers
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