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Tpy6a [65]
3 years ago
11

A radial saw has a blade with a 6-in radius.

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

The angular speed of the blade is of 166.67 rad/min

Step-by-step explanation:

The velocity, is given by the following equation:

v = rw

In which r is the radius and w is the angular speed.

We use this relation to solve this question;

We have that:

v = 1000, r = 6. We want to find w. So

v = rw

1000 = 6w

w = \frac{1000}{6}

w = 166.67

The angular speed of the blade is of 166.67 rad/min

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Create a linear equation in slope intercept form that contains the points (1,4) and (4,7).​
S_A_V [24]

Answer:

y = x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 4) and (x₂, y₂ ) = (4, 7)

m = \frac{7-4}{4-1} = \frac{3}{3} = 1, hence

y = x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation.

Using (1, 4), then

4 = 1 + c ⇒ c = 4 - 1 = 3

y = x + 3 ← equation in slope- intercept form

4 0
3 years ago
What part of a<br>a dozen is 8?​
Murljashka [212]

Answer:

\frac{2}{3}

or

0.67

Step-by-step explanation:

a dozen is 12

12/4 = 3

8/4 = 2

8 is 2/3 of a dozen(12)

2/ 3 = 0.66666666666667 which is about 0.67

6 0
3 years ago
Read 2 more answers
The cost of downloading one song from a website is $0.99. which equation can be used to find t, the cost in dollars of downloadi
Alika [10]

Hello from MrBillDoesMath!

Answer:

Choice H:  ,  t = 0.99n


Discussion:

Download costs:

1 song:      0.99

2 songs:   0.99 + 0.99 = 2 * 0.99

3 songs:   0.99 + 0.99 + 0.99 = 3 * 0.99

...

n songs:   0.99 + .. 0.99 ( n times) = n * 0.99  = 0.99n


Thank you,

MrB

8 0
3 years ago
Read 2 more answers
the ratio of girls to boys in a grade is 6 to 5. If there are 24 girls in the grade then how many students are there altogether?
gtnhenbr [62]

Answer:

39

Step-by-step explanation:

3 0
3 years ago
Lilly and Maggie decorated their windows with twinkle lights. Maggie used 51 more twinkle lights than Lilly. Fill in the box wit
nadya68 [22]
We know that
m-------------------- > <span>the amount of twinkle lights Maggie used
l--------------------- >  </span><span>the amount of twinkle lights Lilly used
l=70
m=51+l
therefore
m=51+70=121
m=121

the answer is 121 (</span>amount of twinkle lights Maggie used)
6 0
3 years ago
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