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just olya [345]
3 years ago
5

There is two questions please help me

Mathematics
2 answers:
pav-90 [236]3 years ago
3 0
36cm
13.6in. my mom helped
marshall27 [118]3 years ago
3 0

Step-by-step explanation:Answer:

As it is equilateral triangle, l₁ = l₂ = b = 6 cm

Total surface area of triangular prism= (l₁ +l₂ + b)* height

                                                                 = ( 6 + 6 + 6) * 15

                                                                 = 18 * 15

                                                                 = 270 cm²

2) length = l = 8.2 in

Width = w = 3.4 in

height = h = 2

Total surface area of rectangular prism = 2*(lw + wh + hl)

= 2*(8.2*3.4  +  3.4*2  + 2*8.2)

=2 *( 27.88 + 6.8 + 16.4)

= 2 * 51.08

= 102.16

= 102 in²

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LT1 10th grade level
Anton [14]

Answer:

The distance between the pirate and the treasure can be found from the following relationship between ΔEAF and ΔABC;

\overline{AE}/\overline{AB} =  \overline{FA}/\overline{AC} = \overline{EF}/\overline{BC}

Step-by-step explanation:

From the question diagram, we have two triangles, ΔEAF and ΔABC;

The ratio of the lengths of the sides \overline{AE}/\overline{AB} =  \overline{FA}/\overline{AC}

∠EAF and ∠BAC are vertical angles, therefore ∠EAF = ∠BAC

Therefore, ΔEAF and ΔABC are similar triangles by Side-Angle-Side, SAS, rule of similarity which states that two triangles that have ratios of a pair of their corresponding sides and the two sides also form equal angles within each triangle, then the two triangles are similar

Therefore, the ratio of the each pair of corresponding sides of the two triangles are equal

We have;

\overline{AE}/\overline{AB} =  \overline{FA}/\overline{AC} = 50 ft. /(100 ft.) =  \overline{EF}/\overline{BC} = \overline{EF}/120 ft.

\overline{EF} = 120 ft. × 50 ft./(100 ft.) = 60 ft.

\overline{EF} = 60 ft.

The distance between the pirate and the treasure, \overline{EF} = 60 ft.

4 0
3 years ago
What is the X intercept, Y intercept, equation and slope of (-9,0), (0,3) ​
larisa86 [58]

Answer: x= -9 y= 3

Step-by-step explanation:

7 0
3 years ago
What is the value of the expression? −1/4+3/8 5/8 Enter your answer in simplest form.
galina1969 [7]
Decimal form
-0.015625

Exact form
-1/60
Negative one over sixty
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3 years ago
1/4 the difference of 4/6 + 3/12
Soloha48 [4]
The answer would be about 8/12 because you must convert 4/6 into 8/12. 8/12 + 3/12=11/12 
1/4 would be about  3/12, so 11/12 - 3/12=8/12.
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3 years ago
Where would 3.3333 be on this number line??
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right pasted the 3 on the number line

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