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evablogger [386]
3 years ago
7

Justify which of the following equations is a quadratic equation. If the equation is quadratic what is the value of a, b & c

. a) 6x3 - 11x – 35 = 0
Mathematics
1 answer:
White raven [17]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

18x-11x-35=0

7x-35=0

7x=35

x=5

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pioneers are buying mules to trek across the country. each of the 5 wagons require e mules to pull them. write the equation to e
tekilochka [14]

Answer:

d = 5e

Step-by-step explanation:

Number of wagons = 5

Number of miles per wagon = e

Total number of mules = d

Hence, relationship between total mules d needed will be ;

Total mules = number of wagons * Numbe rof mules per wagon

d = 5e

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2 years ago
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Step-by-step explanation:

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2 years ago
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amirah ,who is at a point P ,observes a boat at pont B 1200m from P in direction 047 degrees. The boat is moving due north of B
Luda [366]

Answer:

  about 2.81 km/h

Step-by-step explanation:

It can be useful to draw a diagram.

The lines pointing to due north from points B and P are parallel, so the angle BCP and the bearing of point C from P are the same, 30°. The angle BPC will be the difference of bearings of B and C at P, so is 47-30=17°. This is enough information to solve the triangle using the Law of Sines:

  PB/sin(C) = CB/sin(P)

  CB = PB·sin(P)/sin(C) = (1200 m)·sin(17°)/sin(30°) ≈ 701.7 m

The speed of the boat is then ...

  x = distance/time = (0.7017 km)/(1/4 h) = 2.8068 km/h

6 0
3 years ago
elizabeth has 10$, $5 and $1 dollar bills worth 101$. She has five more 5$ bills than 10$ bills and four times as many 1$ bills.
vampirchik [111]
$120 is your answer
4 0
2 years ago
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3RD TIME PLS REALLY NEED THIS
tatyana61 [14]

Answer:

Part A: a) Corresponding angles

Part B: b) 12x - 10 = 10x + 8

Part C: x = 9

m<1 = 98

m<2 = 82

Explanation:

B)

Since they're corresponding angles, they're equal to each other:

12x - 10 = 10x + 8

C)

12x - 10 = 10x + 8

2x = 18

x = 9

m<1:

12(9) - 10 = 98

m<2:

98 + y = 180

y = 82

6 0
2 years ago
Read 2 more answers
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