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gtnhenbr [62]
3 years ago
11

Please find the surface area AND SHOW THE WORK

Mathematics
1 answer:
maria [59]3 years ago
8 0
Area of one triangle:
2x7=84
84/2=42

Area of all the triangles:
42x4=168

Total area:
168+49=217
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If a heptagon has an area of 105 in2, what is the measure of one side ?
kumpel [21]

Answer:

5.38 inches

Step-by-step explanation:

The formula for Area of an Heptagon

= A=7/4a²cot(180°/7)

Area = 105in²

Side a = ?

The formula for Side a

= √4A ×tan (180°/7)/7

= √4 × 105 × tan (180°/7) /7

= 5.37536 inches

Approximately = 5.38 inches.

4 0
3 years ago
On Monday, you were able to spell two of your spelling words correctly. On Tuesday, you were able to spell four of your spelling
Advocard [28]

Answer: 2^5

Step-by-step explanation:

Formula: 2*x - For everyday

2*2 - Monday

4*2 - Tuesday

8*2 - Wednesday

16*2 - Thursday

So for Friday you can spell 32 words which is 2^5

7 0
3 years ago
Read 2 more answers
How can i find the volume of a rectangular prism
Lubov Fominskaja [6]

Answer:

Width x height x length

Step-by-step explanation:

You just multiply the width times the height times the length.

4 0
3 years ago
Which box-and-whisker plot shows the high temperatures in Pittsburgh, Pennsylvania during the first two weeks of March: 33, 45,
nikitadnepr [17]
There is no picture so i am not sure what to tell u
6 0
2 years ago
(2 x 106) x (0.00009) = ?
RSB [31]

I think you meant to write

(2 × 10⁶) × 0.00009

First, convert 0.00009 to scientific notation:

0.00009 = 9 × 10 ⁻⁵

Then

(2 × 10⁶) × 0.00009 = (2 × 10⁶) × (9 × 10 ⁻⁵)

… = (2 × 9) × (10⁶ × 10 ⁻⁵)

… = 18 × 10¹

… = 1.8 × 10²

4 0
2 years ago
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