Answer:
99.33ft^2
Step-by-step explanation:
The surface area of a square pyramid is expressed as;
TSA = a²+2a√a²/4 + h²
Given that
a = 5ft
h = 7ft
Substitute
TSA = 5²+2(5)√5²/4 + 7²
TSA = 25+10√25/4 + 49
TSA = 25 + 10√(221/4)
TSA = 25 + 10(√55.25)
TSA = 25 + 10(7.433)
TSA = 25 + 74.33
TSA = 99.33ft^2
Hence the surface area of a square pyramid with side length 5 ft and slant height 7 ft is 99.33ft^2
Answer:
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Notebooks⇒x/5
remaining=4x/5
candy⇒(1/4)(remaining)=(1/4)(4x/5)=x/5 you spent 1/4 of remaining so,
now remaining=(3/4)(4x/5)=3x/5
half of this on
snack⇒ (1/2)(3x/5)=3x/10
now whats left is the other half = same=3x/10 = 6 .....so, x=20 thats K i hope
(14 1/2)/(1 1/4) change both to improper fractions
(29/2)/(5/4) invert second function (or the denominator fraction) and multiply.
(29/2)*(4/5) multiply...
58/5 change improper fraction back to mixed fraction
11 3/5 or a decimal 11.6