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Pavel [41]
3 years ago
7

Plssssssssssssss help this quiz is timed Tomaz realized that the tip of a second hand on a clock rotates about the center of the

clock. He watched the second hand rotate around the center of the clock for 15 seconds. Which describes the rotation he observed?
270 degrees clockwise rotation


90 degrees clockwise rotation

180 degrees rotation

90 degrees counterclockwise rotation
Mathematics
2 answers:
timurjin [86]3 years ago
5 0

Answer:

90 degrees clockwise rotation

Step-by-step explanation:

Because

Juli2301 [7.4K]3 years ago
4 0

Answer:

90 degrees

Step-by-step explanation:

90 degrees hhgffdfkgdf

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Anthropologists can estimate the height of a woman by measuring the length of her radius bone (from the wrist to the elbow). The
zloy xaker [14]
B = 0.26 h - 18.85,
where b is the length of the radius bone and h is the height.
To find the equation for height of a woman, you can solve the equation for h.
0.26 h = b + 18.85
h = ( b + 18.85 ) / 0.26
h = ( 100 b + 1,885 ) / 26
Then you can plug in the length of the radius bone in this equation.
4 0
3 years ago
Can someone explain 15-20? I really need help and it's due tomorrow. Thank you in advance!
zubka84 [21]
15-20 is -5. If you put 15 on a number line and go back twenty spaces you land on -5 hope this helps.
7 0
3 years ago
Read 2 more answers
Find the length of the segment that joins the points (-5, 4) and (6,-3).
Helen [10]

Answer:

\boxed {\boxed {\sf d=\sqrt{170} \ or \  d\approx 13.04}}}

Step-by-step explanation:

We are asked to find the length of a segment or the <em>distance</em> between the 2 points. The formula for distance is:

d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2

where (x₁ y₁) and (x₂, y₂) are the points. We are given the points ( -5, 4) and (6, -3). If we match the number and the corresponding variable, it is:

  • x₁= -5
  • y₁= 4
  • x₂= 6
  • y₂ = -3

Substitute the values into the formula.

d= \sqrt{(6--5)^2+(-3-4)^2

Solve inside the parentheses.

  • 6--5 (Back to back negative signs become a positive)= 6+5 =11
  • -3-4= -7

d= \sqrt{(11)^2+(-7)^2

Solve the exponents.

  • (11)²= 11*11= 121
  • (-7)²= -7*-7= 49

d= \sqrt {(121)+(49)

Add.

d= \sqrt {170}

d=13.0384048104

Even though it's not specified, we could round to the nearest hundredth to make the answer more concise. The 8 in the thousandth place tells us to round the 3 to a 4 in the hundredth place.

  • 13.03<u>8</u>4048104

d\approx 13.04

The length of the segment is <u>√170</u> or approximately <u>13.04. </u>

7 0
3 years ago
What is the inequality shown with image attached
Mariana [72]

Answer:

-3>=x this is because the circle is closed as well as the arrow going the opposite from -3

Step-by-step explanation:

4 0
3 years ago
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There are 8 marbles in a bag, all of different colors. In how many orders can 4 marbles be chosen? In other words, what is the
Ratling [72]

I got 70

Combination=n!/((n-r)!r!)

=8!/((8-4)!*4!)

=8*7*6*5*4!/(4!*4!)

=8*7*6*5/(4*3*2)

=70 ways

3 0
3 years ago
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