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Oduvanchick [21]
3 years ago
7

Barry takes seven minutes to ride his bicycle 1 mile at this rate how long would bury take to ride his bicycle 4 miles

Mathematics
1 answer:
Igoryamba3 years ago
7 0
Time taken to ride 1 mile=7 min.
So time taken to ride 4 mile=4×7=28min.
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What is the answer to this maths watch question? Look at screenshot attached. Thank you.
forsale [732]

14-x=9

14=x+9

x=14-9

x=5

14+5=19

x+y=19

x-y=(-5)

Adding both equations,

We get,

x+y=19

x-y=(-5)

2x=14

x=7

x+y=19

7+y=19

y=12

3 0
2 years ago
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If 5-y^2=x^2 then find d^2y/dx^2 at the point (2, 1) in simplest form. ​
ratelena [41]

Answer:

y"(2, 1) = -5

Step-by-step explanation:

Step 1: Define implicit differentiation

5 - y² = x²

Step 2: Find dy/dx

  1. Take implicit differentiation: -2yy' = 2x
  2. Isolate y': y' = 2x/-2y
  3. Isolate y': y' = -x/y

Step 3: Find d²y/dx²

  1. Quotient Rule: y'' = [y(-1) - y'(-x)] / y²
  2. Substitute y': y" = [-y - (-x/y)(-x)] / y²
  3. Simplify: y" = [-y - x²/y] / y²
  4. Multiply top/bottom by y: y" = (-y² - x²) / y³
  5. Factor negative: y" = -(y² + x²) / y³

Step 4: Substitute and Evaluate

y"(2, 1) = -(1² + 2²) / 1³

y"(2, 1) = -(1 + 4) / 1

y"(2, 1) = -5/1

y"(2, 1) = -5

3 0
3 years ago
The value of x is:
Alex Ar [27]

Answer:

No solution

Step-by-step explanation:

Kindly include the figure from which to refer angle x

8 0
3 years ago
Csc^3x-csc^2x-cscx+1=cot^2x(cscx-1)​
belka [17]

Verify the identity:

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5 0
3 years ago
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which rule best represents the dilation that was applied to quadrilateral fghj to create quadrilateral fghj​
velikii [3]

Answer:

no

Step-by-step explanation:

oof

5 0
2 years ago
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