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irinina [24]
4 years ago
15

A) 4x + 1

Mathematics
1 answer:
tia_tia [17]4 years ago
6 0

Answer:

a) 4x + 1  expression

b) C = 15+ 3n  “it might be a Formula”

c) 3x + 4 = 13 equation

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The area of the curved surface of a solid cylinder is equal to 2 by 3 of the total area of the same cylinder if the total surfac
Aleksandr-060686 [28]

Step-by-step explanation:

CSA\: of \:cylinder = 2πrh\\TSA\: of\:cylinder = 2πr(r+h)\\By \: conditions,\\2πrh =\frac{2}{3}\times2πr(r+h)\\3h = 2\times(r+h)\\3h = 2r + 2h\\h = 2r\\Also,\\2πr(r+h) = 924\\2\times\frac{22}{7}\times  r(r+2r) = 924\\ \frac{44}{7} \times r(3r) = 924 \\ 3r^{2} = 924 \times  \frac{7}{44} \\ 3r² = 147\\r²=\frac{147}{3}\\r² = 49\\r=\sqrt{47}\\ r = 7\\h = 2 \times 7 = 14\\hence\:radius=7cm,\:height=14cm\\

6 0
3 years ago
55.27 is the same as 55 ____' 12".
ziro4ka [17]

<span>0.27 * 60 = Take the integer part only to get the minutes, then multiply the decimal part by 60 again to get the second</span>
6 0
4 years ago
20 POINTS Compost costs $10 per cubic yard and topsoil costs $2 per cubic yard. Maria needs more than 10 cubic feet of topsoil.
Morgarella [4.7K]
I can't see the graph but let's use logic
hmm, more than 10 cubic feet of topsoil so the first and 2nd options are wrong

let's ee the costs
3rd option
10*1=10
2*12=24
10+24=34 and 34<50, that is fine

4th option
3*10=30
2*12=24
30+24=54
54>50, nope, that is over cost


answer is 3rd one
the one with 1 cubic yard compost and 12 cubic yard topsoil
8 0
4 years ago
Read 2 more answers
a television regulary cost $180 but it is on sale for 40% off this is a 5% sales tax on the sale price how much does the televei
nadya68 [22]
If it is 40% off then it is 100-40 = 60% of original price. So we do 180$ * . 6 = $108 before tax. To add on tax we do: 100 + 5 = 105% of that price.
8 0
3 years ago
Ernesto wants to buy a snack from the vending the machine. The vending machine has 5 different kinds of chips, 8 different candy
kicyunya [14]

Answer:

about 13%

Step-by-step explanation:

there is a total of 15 snacks. 2 out of the 15 are cookies. Divide 2/15 and you get 0.13 repeating. That as a percent is 13

Hope it’s correct!

7 0
3 years ago
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