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Bezzdna [24]
2 years ago
13

What is 726x5 estimated

Mathematics
1 answer:
san4es73 [151]2 years ago
5 0
The answer to 726x5 is 3630
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X^2 + 5x - 24 = 0 How do I solve by factoring
tiny-mole [99]

Answer:

x = -8 or x = 3

Step-by-step explanation:

To factor ax² + bx + c, use AC method.

a times c is 1 × -24 = -24.

Factors of ac (-24) that add up to b (5) are 8 and -3.

Divide by a and reduce: 8/1 and -3/1.

Therefore, the factors are x + 8 and x − 3.

x² + 5x − 24 = 0

(x + 8) (x − 3) = 0

x = -8 or 3

7 0
3 years ago
Which measure is of an angle that is conterminal with a 95 degree angle
timofeeve [1]

Answer: Choice B

95 - 1080n for any integer n

=================================================

Explanation:

Notice how 1080 is a multiple of 360 since 360*3 = 1080. The other values 1450, 780 and 340 are not multiples of 360. For example 1450/360 = 4.02777 approximately. We need a whole number result to show it is a multiple.

Therefore, choice B shows subtracting off a multiple of 360 from the original angle 95. In my opinion, it would be better to write 95+360n or 95-360n to make it more clear we are adding or subtracting multiples of 360.

Choice B will find coterminal angles, but there will be missing gaps. One missing coterminal angle is 95-360 = -265 degrees. So again, 95-360n is a more complete picture. I can see what your teacher is going for though.

8 0
3 years ago
What expression is equivalent to (5z2+32+2)?
erica [24]

Answer:

10z+34

Step-by-step explanation:

3 0
3 years ago
The inverse of Fx) is a function.<br> FOD<br> A. True<br> B. False
anastassius [24]
Not all functions have inverse functions. Those that do are called invertible. For a function f: X → Y to have an inverse, it must have the property that for every y in Y, there is exactly one x in X such that f(x) = y.
8 0
3 years ago
A pilot wishes to fly on a course of 290° with an air speed of 300 knots when the wind blows from 224° at 18 knots. Find the dri
dolphi86 [110]

Answer:


Step-by-step explanation:

The resulting course vector (magnitude 300, angle = 160° with the positive x axis (= 290° bearing)) with components (300cos160,300sin160)  is the sum of the vector of the actual flight vector  and the wind vector.

The wind vector has magnitude 18 and direction 46° with the positive x-axis ( it blows from - 134° with the positive x axis (= 224° bearing) into direction 46° with the positive x-axis). So its components are (18cos46,18sin46).

The course that the plane has to steer is :

(300cos160,300sin160)-(18cos46,18sin46)

=(300cos160 - 18cos46, 300sin160 - 18sin46)

=(-294.41, 89.6579)

The magnitude of this steering vector is = 307.749 knots and its direction will be:

tan^{-1}=\frac{89.6579}{294.41}=16.94^{{\circ}} with the negative x-axis (286.94° bearing).

Thus, the drift angle will be=290° - 286.94° = 3.06°.

8 0
3 years ago
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