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Katyanochek1 [597]
3 years ago
13

What’s 7y+8=57?????!!?!????

Mathematics
2 answers:
forsale [732]3 years ago
7 0
Ok so basically your going to subtract 57-8 which is 49. So now you have 7y=49 so now divide 49 by 7 which is 7. So your answer is 7 and to check your work substitute 7 for y so.... 7(7)+8=57 so 57=57 which is accurate
lilavasa [31]3 years ago
7 0

Answer:

y = 7

Step-by-step explanation:

two step equation

subtract 8 from both sides of the = sign

you will have 7y = 49

then divide both sides by 7

y = 7

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Find the surface area of each figure.
timurjin [86]

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For a cylinder of radius R and height H, the surface area is given by:

A = 4*pi*R^2 + H*(2*pi*R)

Where pi = 3.14

We can just use that formula for each one of the given cylinders.

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2) Here we can see that the diameter is 24 cm, then the radius is:

R = 24cm/2 = 12cm

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6 0
3 years ago
PLEASE! WILL GIVE METAL AND FAN.
Pani-rosa [81]
20000*0.45 = 9000 in the bond
20000*0.15 = 3000 in the CD
20000*0.20 = 4000 in stocks
20000*0.029 = 580 in savings

A=9000(1 + 4.35%)^3 = 10,226.33
A=3000(1 + 2.90%)^3 = 3,268.64
A=4000 (1 + 8%) x (1 - 4%) x (1 + 6%) = 4,396.03
A=580(1 + 4.35%)^3 = 4,545.04
Total value = 22,436.04
Gain = 22,436.04 - 20,000 = 2,436.04
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