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Mars2501 [29]
2 years ago
5

Christopher surveyed 30 students about their favorite type of pet. The results are shown in the table.

Mathematics
1 answer:
MariettaO [177]2 years ago
6 0

Answer:

well it will be 20 cuz 0 + 20 = 20

Step-by-step explanation:

skduamefmkaska

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3x + 1 = -2 (solve for x)
professor190 [17]

Answer:

x = -1

Step-by-step explanation:

3x + 1 = -2

Subtract 1 from both sides.

3x = -2 - 1

Simplify -2 - 1 to 3.

3x = -3

Divide both sides by 3.

x = -1

8 0
2 years ago
A gear with a diameter of 12.0 inches makes 35 revolutions every three minutes. Find the linear and angular velocities of a poin
alina1380 [7]

Answer:

Angular velocity: \omega = \frac{7\pi}{18} \,\frac{rad}{s} (1.222\,\frac{rad}{s})

Linear velocity: v = \frac{14\pi}{3}\,\frac{m}{s} (14.661\,\frac{m}{s})

Step-by-step explanation:

The gear experiments a pure rotation with axis passing through its center, the angular (\omega), in radians per second, and linear velocities (v), in inches per second, of a point on the outer edge of the element are, respectively:

\omega = \frac{2\pi}{60}\cdot \dot n (1)

v = R\cdot \omega (2)

Where:

\dot n - Rotation rate, in revolutions per minute.

R - Radius of the gear, in inches.

If we know that \dot n = \frac{35}{3}\,\frac{rev}{min} and R = 12\,in, then the linear and angular velocities of the gear are, respectively:

\omega = \frac{2\pi}{60}\cdot \dot n

\omega = \frac{7\pi}{18} \,\frac{rad}{s} (1.222\,\frac{rad}{s})

v = R\cdot \omega

v = \frac{14\pi}{3}\,\frac{m}{s} (14.661\,\frac{m}{s})

7 0
2 years ago
Line D passes through the points (-2,5) and (-1,-9). what is the slope of a line parallel to line D?
Agata [3.3K]
If I am not mistaken, the slope would be -14.
3 0
2 years ago
Can someone help me figure out what the equation is for this problem
Georgia [21]
The equation for this problem is “y = x + 3”.
6 0
2 years ago
Read 2 more answers
Enter an equation in standard form to model the linear situation. A bathtub that holds 41 gallons of water contains 11 gallons o
WITCHER [35]

Answer: In this equation, let "x" equal the rate at which the tub will be filled. The tub holds 32 gallons, which will be one-half of the equation. The tub already contains 12 gallons, so this will be half of the other side of the equation. The rate is "x" gallons per minute, and the time it required was 5 minutes, so this would be "5x". Placing all these parts together gives an equation of (32 = 5x + 12) gallons per minute dispensed.

4 0
2 years ago
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