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Keith_Richards [23]
2 years ago
12

Mike walked 3 miles in 45 minutes. What was his rate in miles per hour? A 1/4 miles per hourB 2 1/4 miles per hour C 4 miles per

hour D 15 miles per hour​

Mathematics
2 answers:
Lemur [1.5K]2 years ago
5 0

Answer:

4 miles per hour

Step-by-step explanation:

I took it on k-12

erastova [34]2 years ago
4 0

Answer:

4 miles per hour

Step-by-step explanation:

I took the test for k12

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Three of exterior angle of n-sided polygon are 50° each two of it's interior angle are 127° and 135° and the remaining interior
irga5000 [103]

Answer:

The value of n is 21.

Step-by-step explanation:

We are given that three of the exterior angle of the n-sided polygon are 50° each two of its interior angle are 127° and 135° and the remaining interior angle are 173 each.

As we know that the sum of all exterior angles of the polygon is 360°. Also, the number of remaining interior angles will be (n - 5).

And, the exterior angle = 180° - the interior angle.

So, according to the question;

(3 \times 50) + (180-127) + (180 - 135) + (n - 5)\times (180-173) =360

150 + 53 + 45 + 7(n - 5) = 360

248 + 7n - 35 = 360

213 + 7n = 360

7n = 360 - 213

7n = 147

n = \frac{147}{7}

n = 21

Hence, the value of n is 21 and this is a 21-sided polygon.

4 0
3 years ago
Write and solve a word problem in which there are 3 yellow beads for every 2 blue beads
baherus [9]

Ronald has 5 sets of three yellow beads, if there are 2 blue beads for every set, what is the total amount of blue beads?


8 0
3 years ago
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4 0
2 years ago
Evaluate 4(5×1÷20). Name the property used in each step.
vekshin1
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4 0
3 years ago
Read 2 more answers
Find YW. YW = _<br><br> I just need the answer for YW no explanation needed.
KATRIN_1 [288]

Answer:

YW=20\ units

Step-by-step explanation:

we know that

In a parallelogram the diagonals bisect each other

The figure XYZW is a parallelogram

so

VW=VY

VX=VZ

<em>Find the value of b</em>

VW=VY

substitute the given values

b+8=5b

solve for b

5b-b=8\\4b=8\\b=2

Find the length of YW

YW=YV+VW ----> by addition segment postulate

YW=5b+b+8

substitute the value of b

YW=6(2)+8=20\ units

8 0
3 years ago
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