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3 years ago

Find the product. Simplify your answer. (9/4s) (9t/-1)

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

Answer:

Improper fraction (-81t/ 4s)

Mixed number (-20 1/4) (t/s)

Step-by-step explanation:

Multiply the numerators

9(9t) = 81t

Multiply the denominators

4s* (-1) = -4s

Put the numerator over the denominator

81t / -4s

If they want the answer as an improper fraction -81t/4s

If they want a mixed number

81/4 = 20 with 1 left over

20 1/4

Then multiply by (-t/w)

(-20 1/4) (t/s)

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The diffrence between the roots of the equation 2x^2-5x+c=0 is 0.25 find c

kumpel [21]

Answer:

c = 3.09375

Step-by-step explanation:

Standard for of quadratic equation:

ax² + bx + c = 0

We have

2x² - 5x + c = 0

Sum of the roots

x₁ + x₂ = - b/a = -(-5)/2 = 2.5

Product of the roots

x₁x₂ = c/a = c / 2

We have:

x₁ - x₂ = 0.25

The square of the above is:

(x₁ - x₂)² = (x₁ + x₂)² - 4x₁x₂

Substitute known values and solve for c:

0.25² = (2.5)² - 4(c/2)
2c = 6.25 - 0.0625
2c = 6.1875
c = 3.09375

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3 years ago

Please help this is due in 10 minutes!

Reptile [31]

Answer:

The answer is 16÷1/10

Step-by-step explanation:

That equals 160ft

7 0

3 years ago

Students cut a pepperoni pizza into 12 equal slices and ate 5 slices they cut a veggie pizza into 6 equal slices and ate 4 slice

astraxan [27]

Pepperoni - 5/12
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3 years ago

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Zolol [24]

Answer:

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3 years ago

Solve the system of equations 2r + 2s = 50 and 2r – s = 17.

shutvik [7]

R = 14
s = 11

2(14)+2(11)=50
28+22=50

2(14) - 11 =17
28 - 11 =17

3 0

3 years ago

Read 2 more answers