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aleksley [76]
3 years ago
6

Can someone help please ! , volume= ___ & surface area =____

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0

Step-by-step explanation:

volume = 4.5 \times 2 \times 2.5 \\  = 22.5feet {}^{3}  \\  \\  surface \: area = 4 \times 2 \\  = 8{feet}^{2}

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Vsevolod [243]
Sec theta = 1/cos theta = 1/0.5 = 2

Option D is the correct answer.
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3 years ago
Vicki ate 15 cookies last week. If she ate 5 cookies Friday, what fraction of the week's cookies did she eat Friday? What fracti
Anika [276]
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2 years ago
Cos s=-2/5 and sin t=4/5, s and t are in quadrant II<br> find cos(s+t) and cos(s-t)
mojhsa [17]

Answer:

•cos(s+t) = cos(s)cos(t) - sin(s)sin(t) = (-⅖).(-⅗) - (√21 /5).(⅘) = +6/25 - 4√21 /25 = (6-4√21)/25

•cos(s-t) = cos(s)cos(t) + sin(s)sin(t) = (-⅖).(-⅗) + (√21 /5).(⅘) = +6/25 + 4√21 /25 = (6+4√21)/25

cos(t) = ±√(1 - sin²(t)) → -√(1 - sin²(t)) = -√(1 - (⅘)²) = -⅗

sin(s) = ±√(1 - cos²(s)) → +√(1- cos²(s)) = +√(1 - (-⅖)²) = √21 /5

5 0
3 years ago
Find the point of intersection<br> y=-3x-3<br> y=-3
Alla [95]
The answer would be -3
5 0
3 years ago
Draw segment EF so that is bisects RS. Mark their intersection appoint A
Neko [114]

Step-by-step explanation:

EF is a segment so it's a line with the end points as E and F. Line RS bisects(cuts in half) line EF. Then where the two lines meet is where A is.

Hope this helped.

4 0
3 years ago
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