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3 years ago

HELP!!

Mathematics

1 answer:

Annette [7]3 years ago

3 0

64 = 22 + .25m

Subtract 2w from both sides.

42 = .25m

Divide both sides by .25

168 = m. This means after renting the car, it was driven for 168 miles.

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Micheal is 3 times as old as Brandon. 18 years ago, Micheal was 9 times as old as Brandon.

77julia77 [94]

Step-by-step explanation:

18÷3=6

6×9=54

HOPE THIS HELPS!!

5 0

3 years ago

Find values of  that satisfy the equation for 0º    360º and 0  θ  2 . Give answers in degrees and radians.

suter [353]

Answer:

$\theta = 30^\circ, 330^\circ$

$\theta = \frac{\pi}{6}, \frac{11\pi}{6}$

Step-by-step explanation:

Given [Missing from the question]

Equation:

$cos\theta = \frac{\sqrt 3}{2}$

Interval:

$0 \le \theta \le 360$

$0 \le \theta \le 2\pi$

Required

Determine the values of $\theta$

The given expression:

$cos\theta = \frac{\sqrt 3}{2}$

... shows that the value of $\theta$ is positive

The cosine of an angle has positive values in the first and the fourth quadrants.

So, we have:

$cos\theta = \frac{\sqrt 3}{2}$

Take arccos of both sides

$\theta = cos^{-1}(\frac{\sqrt 3}{2})$

$\theta = 30$ --- In the first quadrant

In the fourth quadrant, the value is:

$\theta = 360 -30$

$\theta = 330$

So, the values of $\theta$ in degrees are:

$\theta = 30^\circ, 330^\circ$

Convert to radians (Multiply both angles by $\pi/180$ )

So, we have:

$\theta = \frac{30 * \pi}{180}, \frac{330 * \pi}{180}$

$\theta = \frac{\pi}{6}, \frac{33 * \pi}{18}$

$\theta = \frac{\pi}{6}, \frac{11 * \pi}{6}$

$\theta = \frac{\pi}{6}, \frac{11\pi}{6}$

8 0

2 years ago

Which equation can be used to find the area of the rectangle? A. A=9+4 B. A=1/2 (9)(4) C. A=9+9+4+4 D. A=(9)(4)

valentina_108 [34]

Answer:

D. A=(9)(4)

Step-by-step explanation:

area= length x width = 9x4

6 0

3 years ago

In a game, there are 12 identical balls of which seven are red and five are green.

Alex

Answer:

its number 2 and if its a mutable answers writ 3 also

7 0

3 years ago

JUST REPOSTING THIS QUESTION UNTIL I GET A CORRECT ANSWER lol!

yawa3891 [41]

Answer:

3x+(8x+15=180

3x+8x+15)=180

11x+15=180

11=180-15

11x=165

x=165/11

x=15

4 0

2 years ago