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3 years ago

[30 POINTS] An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle = _____ .

Mathematics

2 answers:

arsen [322]3 years ago

6 0

The mechanical advantage is found by dividing Rw by Ra:

Mechanical advantage = 18 / 2 = 9

stiv31 [10]3 years ago

6 0

Answer:

Step-by-step explanation:

so it is basically nine

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FREE-POINTS <br> Find x<br> x+3=5

adelina 88 [10]

Answer:2

Step-by-step explanation:

x+3=5

subtract 3 from both sides

x=5-3

x=2

5 0

2 years ago

Read 2 more answers

30=11+3x find x need asap

kompoz [17]

Answer:

x = 19/3

Step-by-step explanation:

30 - 11 = 3x

3x = 19

x = 19/3

hope it helps!

4 0

3 years ago

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)Why is 3 + (−5) equal to −2?

netineya [11]

Because + and - make - which makes you left with 3-5 which equals to -2 because it gets negative.

7 0

3 years ago

Solve the equation 6w2 – 7w – 20 = 0.

azamat

For this case we have the following quadratic equation:

$6w ^ 2-7w-20 = 0$

Where:

$a = 6\\b = -7\\c = -20$

Its roots will be given by:

$w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}$

The roots are:

$w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}$

Answer:

$w_ {1} = \frac {5} {2}\\w_ {2} = - \frac {4} {3}$

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3 years ago

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Lyla is an editor reviewing short story submissions for a literary magazine. She collected data showing that she's an efficient

natima [27]

The answer for the blank is 0.003

This is the slope value, which is the number in front of the x in the least squares regression line. Each time x increases by 1, y increases by 0.003

This is the predicted y value of course.

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4 years ago