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Mandarinka [93]
3 years ago
9

35% of x is 3.5 What is the value of x

Mathematics
1 answer:
docker41 [41]3 years ago
4 0

Answer: x =10

Step-by-step explanation:

I'm sorry if its not right

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11. A bank teller has a total of 124 bills in five-dollar bills and ten-dollar bills. The total value of the
White raven [17]

Answer:

44 ten-dollar bills

Step-by-step explanation:

Assume that all 124 bills are ten-dollar bills,

124 x $10 = $1240

Total Value of Money : $840

$1240 - $840 = $400

There are $400 worth of five-dollar bills,

$400 / 5 = 80 (The number of five-dollar bills)

Therfore the number of ten-dollar bills,

124 - 80 = 44

Let's check:

44 x $10 = $440

80 x $5 = $400

Total = $440 + $400

        = $840

3 0
3 years ago
A height of 12 and a volume of 1.356.48 what is the radius of the cylinder?
alexgriva [62]

Answer:

11.99 ft

Step-by-step explanation:

The formula for the volume of a cyl. of radius r and height h is V = πr²h.

Solving this immediately for h yields:

        V

h = ----------

        πr²

Inserting the known quantities results in:

        V           1356.48 ft³

h = ---------- = ----------------------      Note that r = (1/2)d, so r = (1/2)(12 ft) = 6 ft

        πr²         3.14159 (6 ft)²

  =   11.994 ft

The height of the cyl. is 11.99 ft (to the nearest hundredth foot)

8 0
3 years ago
SImplify to standard form (a+bi)<br> (12-9i)²
olga2289 [7]

Answer:

Hello,

Step-by-step explanation:

<u />

<u>Formula used (a+b)^2=a²+2ab+b²</u>

(12-9i)^2=3^2*(4-3i)^2\\\\=9*(16-9-24i)\\\\=9*(7-24i)\\\\=63-216i\\

5 0
3 years ago
Given that Flx) = x2 + 2, evaluate F(2).
wariber [46]

Step-by-step explanation:

f(2) = 2^2 +2

= 4+2

=6

3 0
3 years ago
What - 31 equals to 213
Aneli [31]

Answer:

-31+224=213

Step-by-step explanation:

7 0
3 years ago
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