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dezoksy [38]
3 years ago
11

Which shows the correct way to use the rule "multiply by the reciprocall for the expression below? 5 divided by 2/9

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0
5x9/2 because multiplying by reciprocals are basically flipping the fraction and multiplying.
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Determine the equation of the line that is perpendicular to the line y = 3x + 4 and passes through the point (6, 2).
fomenos

Answer:

y = -1/3x + 4

Step-by-step explanation:

Perpendicular lines: Their gradients are reciprocals.

This means:

  • -1 ÷ Gradient 1 = Gradient 2
  • Gradient 1 * Gradient 2 = -1

Gradient of the given equation is 3.

-1 / 3 = -1/3

Gradient of the equation we're finding is -1/3

y = -1/3x + c

Substitute the coordinates in to find the value of c

2 = -1/3(6) + c

2 = -2 + c

2 + 2 = c

4 = c

y = -1/3x + 4

3 0
3 years ago
How many reflectional symmetries does this figure have?
liubo4ka [24]

Answer:

1 & 1

Step-by-step explanation:

6 0
3 years ago
A particle moves along a circular path with radius 3 centimeters. The particle has an angular velocity of 3π/4 radians per secon
Nina [5.8K]

After 5 s, the particle traverses a path subtended by an angle of

(3π/4 rad/s) (5 s) = 15π/4 rad

Now, 15π/4 rad = 15/8 * 2π rad, so the arc has a length equal to 15/8 of the circumference of the path:

15/8 * 2π * (3 cm) = 45π/4 cm ≈ 35.3 cm

7 0
3 years ago
A family ordered some candy bars and bags of chips for snacking. The number oof candy bars was twice as much as the number of ba
nikdorinn [45]

Answer:

The family bought 2 bags of chips

Step-by-step explanation:

Let the number of chips bags be  =   x

The number of candy bars  =  twice as much as the number of bags of chip

The number of candy bars  =  2x

The total cost  spent is  = $5.50

Therefore cost of all the chips bags + candy bars = 5.50

2x +  x = 5.50

3x = 5.50

x = \frac{5.50}{3}

x =  1.83

x = 2 (approx)

Thus the number of chips is 2 and the candy bars is 2(2) = 4 bags

4 0
3 years ago
Find the common difference of the arithmetic sequence -6, -13, -20,
Stells [14]

Answer:

subtract first term from second term

c.d=T2_T1

c.d= -13-(-6)

c.d= -13+6

c.d= -7

4 0
3 years ago
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