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Jobisdone [24]
3 years ago
5

The total surface area of this triangular pyramid is_____? help asap

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer: 208 in^2

Step-by-step explanation:

find the surface area of the square base

8(8)=64

find the surface area of the 4 triangular lateral faces

SA=4(bh÷2)

4(8 x 9 ÷2)

4(36)=144

add the surface area of the square base and lateral faces

64+144=208

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51 ≤ 15 +6w<br> Solve the inequality for W .<br> Simplify your answer as much as possible.
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w ≥ 6

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3 years ago
The price for an ounce of gold on september 23,2013,was $1,326.40. A group of 10 friends decide to equally share the cost of 1 o
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3 years ago
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amelia spent $5.25 for a drink and a sandwich or drink cost $1.35 did she have a turkey sandwhich for $4.22 a tuna sandwich for
Greeley [361]

Answer:

$3.46 or $3.92

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3 0
3 years ago
1 whole and 1/4 - 8/10 show your work please
NARA [144]

Answer:

9/20

Step-by-step explanation:

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Second you make the denominators the same so you have to multiply them together. but since your multiplying the denominators you have to multiply the numerator as well. so for 5/4 you would multiply both the numerator and denominator by 10 so your fraction will now be 50/40. now you  multiply 8/10 by 4 so your new fraction is now 32/40

Third you subtract. you only have to subtract the numerators so 50-32 is 18 so your answer is 18/40

Last you need to simplify the highest number you can divide both of them by is 2 so now you divide 18 by 2 which makes 9 then you divide 40 by 2 which is 20 so your answer is 9/20

Sorry i'm not the best at explaining things but i tried my best

Hope this helps you out and have a great day : )

5 0
3 years ago
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