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victus00 [196]
3 years ago
13

Evaluate 1/3 m - 1 - 1/2 n when m = 21 and n = 12

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

0

Step-by-step explanation:

1/3(21)-1-1/2(12)

7-1-6=6-6=0

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What are the measures of ∠1, ∠2, and ∠3? Enter your answers in the boxes.
GarryVolchara [31]

Answer: m<1 is 60, m<2 is 60, and m<3 is 120

Step-by-step explanation:

M<1 is 60 and m<2 is also 60 because the interior triangle angles have to equal 180 so M<1 + m<2 + 60 = 180 so m<1 and m<2 are both sixty.

m<3 is 120 because m<2 and m<3 are supplementary so if a supplementary angle is equal to 180 then m<2 + m<3 = 180 and m<2 is 60 so m<3 is 120.

3 0
3 years ago
Give the scale factor from small to large for the similar figures
V125BC [204]
The scale factor is 5. 

If you multiply each side of the small triangle by 5, you get the length of the large triangle

Hope this helps
4 0
4 years ago
Please give the correct answer !!<br><br> - geometry
harkovskaia [24]

Answer:

2

Step-by-step explanation:

x(60) = 12(10) -->

x(60) = 120 -->

x = 2

6 0
3 years ago
Point P is located at (−2, 7), and point R is located at (1, 0). Find the y value for the point Q that is located two over three
otez555 [7]

Answer:

y_Q=\dfrac{21}{5}=4.2

Step-by-step explanation:

If the point Q that is located two over three the distance from point P to point R, then PQ:QR=2:3.

Use formula to find the coordinates of the point Q:

x_Q=\dfrac{3x_P+2x_R}{3+2}\\ \\y_Q=\dfrac{3y_P+2y_R}{3+2}

In your case, P(-2,7) and R(1,0), then

x_Q=\dfrac{3\cdot (-2)+2\cdot 1}{3+2}=\dfrac{-4}{5}\\ \\y_Q=\dfrac{3\cdot 7+2\cdot 0}{3+2}=\dfrac{21}{5}

6 0
3 years ago
Find the circumference of the circle whose diameter is 210cm
Lynna [10]
Circumference=2πr
=2*3.14*105
=659.4cm
6 0
3 years ago
Read 2 more answers
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