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erastovalidia [21]
3 years ago
9

12.

Mathematics
1 answer:
Llana [10]3 years ago
8 0

Answer:

9 Miles to be specific 8.95

Step-by-step explanation:

3 miles = 4.83 km

4.83 km = 4830 m

60 seconds X 45 =2700 Seconds

4830 divided by 2700 = 1.78 m/s

you want to know the distance so its speed X time

135 minutes X 60 seconds = 8100 secs

1.78 m/s X 8100 =14418 meters

14418 = 14.418 km

14.418 km = 9 miles

P.S. There is a shorter version but i think this is simpler for me and I use metric units.

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The price of a television was reduced from $250 to $200. By what percentage was the price of the television reduced?
gavmur [86]

Answer: C

Step-by-step explanation:Well the change in price was 50 dollars

Now divide your change in price by the original price

50/250=.2

To get that into a percentage multiply it by 100 and you get 20%

The answer is C

6 0
3 years ago
Read 2 more answers
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statemen
m_a_m_a [10]
<h2>Answer:</h2>

<u>In ΔQRS and ΔQLK</u>,

QR/QL = QS/QK

28/4 = 28/4

7/1 = 7/1 --[1]

<u>AngleLQK and AngleRQS are equal</u> (VOA)

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3 years ago
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Solve x - 9 = 3 + y for y.
Mila [183]

Step-by-step explanation:

x - 9 - 3 = y \\ y = x - 12

8 0
3 years ago
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Let ABC be an isosceles triangle with AB = AC and ∠BAC=30°. Side AB and the median AD contain points Q and P respectively (point
juin [17]

Answer:

15°

brainlest

Step-by-step explanation:

Since P is on the median of ΔABC, it is equidistant from points B and C as well as from C and Q. Thus, points B, C, and Q all lie on a circle centered at P. (See the attached diagram.)

The base angles (B and C) of triangle ABC are (180° -30°)/2 = 75°. This means arc QC of the circle centered at P has measure 150°. The diameter of circle P that includes point Q is defined to intersect circle P at R.

Central angle RPC is the difference between arcs QR and QC, so is 180° -150° = 30°. Inscribed angle RQC has half that measure, so is 15°.  Angle PQC has the same measure as angle RQC, so is 15°.

Angle PQC is 15°.

4 0
3 years ago
3. Find the slope of the line<br> f(x)1/2x+8. Describe how the line slopes.
wariber [46]

Answer:

slope: \frac{1}{2}

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the linear line has a positive slope that goes up by 1 unit and right by 2 units

7 0
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