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Setler79 [48]
3 years ago
5

HELP ME PLS I NEED HELP ITS DUE TOMORROW !!!!! I NEED HELP ON ALL 2,3,4,5

Mathematics
2 answers:
Flura [38]3 years ago
6 0

Answer:

1(d), 2(not correct) 3,4,5 given below

Step-by-step explanation:

1. the slopes are same as we know

m=tan theta=y/x so the slope is same

2. it will be 10 m= tan theta=y/x

or, slope =70-40/7-4=10

3. let x and y are the sides of the triangles

so for 1 triangle it will be x=5 and y=2

"" "" another one its the multiple of 5 and 2 such as x=10 and y=4

4. the two triangle lie on the same line as slopes are equal

1st one , slope=72/12=6

2nd one slope=144/24=6

as slopes equal so they are collinear.

5. i am sorry i am not sure about it

i took all the three lines. as the slope of 5 and 7 no triangleare same(m=0.75) and smaller than others then on line A

then slope of 8 and 9 no triangle are same(m=1.5) so on the line B

then slope of 6 and 10 are same (m=3) so on the line C

i took the three lines for this...

THE ALL ANSWERS ARE BASED ON PRIMARY CONCEPT IF U FIND ANY MISTAKE PLEASE TELL ME LATER..THANK U

atroni [7]3 years ago
3 0

Answer:

1)The slope of the smaller triangle is smaller.

2)The slope of the larger triangle is larger than the slope of the smaller triangle.

3)Tre triangles are congruent

4)The slopes of the two triangles are the same.

5)Line A

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Answer:

The original coordinate of

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Answer:

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Step-by-step explanation:

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3 years ago
A company manufactures aluminum mailboxes in the shape of a box with a half-cylinder top. The company will make 1863 mailboxes t
forsale [732]

Answer:

3433 m²

Step-by-step explanation:

From the image, we have a rectangular box without cover and half a cylinder on top.

Formula for surface area of rectangular box with top is;

S = 2(lh + wh + lw)

From the image,

l = 0.6 m

w = 0.4 m

h = 0.55 m

Thus;

S = 2((0.6 × 0.55) + (0.4 × 0.55) + (0.6 × 0.4))

S = 1.58 m²

Now, since the top is not included for this figure, then;

Surface area of this rectangular box is;

S1 = 1.58 - (lw) = 1.58 - (0.4 × 0.6) = 1.34 m²

Surface area of a cylinder is;

S = 2πr² + 2πrh

r is radius and in this case = 0.4/2 = 0.2 m

h = 0.6

S = 2π(0.2² + (0.2 × 0.6))

S = 1.005 m²

Since it is half cylinder, then we have;

S2 = 1.005/2

S2 = 0.5025 m²

Total surface area; S_t = S1 + S2

S_t = 1.34 + 0.5025

S_t = 1.8425 m²

This is the surface area of one mail box.

Thus, for 1863 mailboxes, total surface area is;

S = 1863 × 1.8425 = 3432.5775 m²

Approximating to the nearest Sq.m gives;

S = 3433 m²

6 0
3 years ago
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