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Mars2501 [29]
4 years ago
6

9 over 14 times 7 over 6

Mathematics
2 answers:
Amiraneli [1.4K]4 years ago
8 0

9/14 x 7/6

= 63/84 ( simplify so divide both by 21)

= 3/4

Serhud [2]4 years ago
6 0
9/14 x 7/6 = 63/84

when multiplying fractions, just multiply the numerators to get the new numerators and then do the same for the denominators
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(x-2) is a factor of x^2-3x^2+kx+14. The value of k is?​
BartSMP [9]

Answer:

k = 5

Step-by-step explanation:

I will assume that your polynomial is

x^2 - 3x^2 + kx + 14

If x - a is a factor of this polynomial, then a is a root.

Use synthetic division to divide (x - 2) into x^2 - 3x^2 + kx + 14:

 2      /      1     -3     k     14

                        2     -2    2k - 4

         -------------------------------------

               1        -1    (k - 2)   2k - 10

If 2 is a root (if x - 2 is a factor), then the remainder must be zero.

Setting 2k - 10 = to zero, we get k = 5.

The value of k is 5 and the polynomial is x^2 - 3x^2 + 5x + 14

6 0
3 years ago
Solve the given equation<br> 16 - 5(3w - 4) = 8(-2w + 11)
KIM [24]

Answer:

16-15w+20=-16w+88

-15w+16w=88-16-20

w=52

5 0
3 years ago
Time varies inversely with speed if the distance is constant. It takes James 4 hours to get to his destination when he travels a
NikAS [45]

Answer:

Step-by-step explanation:

Time varies inversely with speed if the distance is constant. This means that if speed increases, the time it will take to cover the same distance will reduce

t = k/s

Where t = time

k = constant of inverse proportionality

s = speed

It takes James 4 hours to get to his destination when he travels at 65 miles per hour

4 = k/65

k = 65×4 = 260

t = 260/s

If he drove 15 miles/ hour faster, the new speed is 65 + 15 = 80miles/hour.

The time it will take him is

t = 260/s

t = 260/80 = 3.25 hours

The amount of time he would save is

4 hours - 3.25 hours = 0.75 hours

Converting 0.75 hours to minutes, we multiply by 60

Amount if time saved in minutes = 0.75×60 = 45 minutes

7 0
3 years ago
Circle the letter for the correct answer.
8_murik_8 [283]

Answer:

Step-by-step explanation:205

7 0
3 years ago
Which ordered pair is a solution of this
natali 33 [55]

Answer:

(- 3, 2 )

Step-by-step explanation:

To determine which ordered pair is a solution, substitute the x and y- coordinates of the given points into the left side of the equation.

If the result is equal to the right side then the pair is a solution.

(2, - 2)

- 6(2) - 7(- 2) = - 12 + 14 = 2 ≠ 4 ← not a solution

(- 2, 2 )

- 6(- 2) - 7(2) = 12 - 14 = - 2 ≠ 4 ← not a solution

(- 3, 2 )

- 6(- 3) - 7(2) = 18 - 14 = 4 = right side ← a solution

(2, - 3 )

- 6(2) - 7(- 3) = - 12 + 21 = 9 ≠ 4 ← not a solution

(- 3,2 ) is a solution of the equation

7 0
3 years ago
Read 2 more answers
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