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pav-90 [236]
3 years ago
14

What is the slope of a line (-2,3) and (2,-3)

Mathematics
1 answer:
Paul [167]3 years ago
8 0

Answer:

Negative slope

Step-by-step explanation:

This is a negative slope because when you plot the numbers on the graph it makes a negative slope.

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Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 2 inches, and the larger gear has a ra
alex41 [277]
The two gears are shown n the diagram below.

ω₁ and ω₂ are the angular velocities of the larger and smaller gears respectively.

Part 1.
When the smaller gear makes one revolution, it turns through an angle of 2π radians or 360°.
Because the gears do not slip, the larger gear turns through an angle of θ, so that
 (θ radians)*(8 in) = (2π radians)*(2 in)
or
8θ = 4π
θ = π/2 radians = 90°

Answer: 90.0°

Part 2.
When the larger gear makes one revolution, it turns through an angle of 2π radians.
Because the gears do not slip, the smaller gear turns through an angle φ, such that
(2 in)*(φ radians) = (8 in)*(2π radians)
or
2φ = 16π
φ = 8π radians
    = (8π radians)*(1/2π rotations/radian)
    = 4 rotations

Answer:  4 rotations

4 0
3 years ago
Solve<br>7w - 5 &lt; 1 - 3w<br>can someone help me ?​
Darina [25.2K]

Answer:

w < 0.6

Step-by-step explanation:

In this problem, one is given an algebraic inequality. These types of inequalities can be solved using similar methods that one uses to solve an algebraic expression, in essence, one uses inverse operations. The only major difference between solving algebraic inequalities and algebraic expressions is that when one divides or multiplies by a negative number, one must remember to flip in the inequality sign to maintain the trueness of the equation. In this case, such a rule will not come into play.

7w - 5 < 1 - 3w

Inverse operations,

7w - 5 < 1 - 3w

+3w          +3w

10w - 5 < 1

     +5    +5

10w < 6

/10     /10

w < 0.6

8 0
3 years ago
Read 2 more answers
"A line that goes through (4, 7) and (-2, 1)"
Olenka [21]
Y= x + 3
1. Find the gradient(slope)

1 - 7 / - 2 - 4
=1

2. Find the y. Intercept ( c )
Y = x + c
Replace by any of the two coordinates given (4 , 7 )
7 = 4 + c
C= 3

Equation => Y = x + 3
6 0
2 years ago
Algebra! Please help and explain it.
kenny6666 [7]

Answer:

Part of mathematics in which letters and other symbols are used to represent numbers and quantities in formula and equation   Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis

Step-by-step explanation:

3 0
3 years ago
The scale of a room in a blueprint is 6in : 13ft. A wall in the same blueprint is 9 inches. How long is the actual wall?
Ganezh [65]

Answer:

Step-by-step explanation:

6 in to 13 ft = 9 in to x ft

6 / 13 = 9 / x.....cross multiply because this is a proportion

(6)(x) = (13)(9)

6x = 117

x = 117/6

x = 19.5 (or 19 1/2) ft <====

5 0
2 years ago
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