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3 years ago

Cost of sled 99.50 mark 95% =

1 answer:

7 0

Find out what 95% of 99.5 is. "What is 95% of 99.5" is the question you need to answer. Frame the equation using the words in that sentence. "is" means equals, "of" means to multiply. So in translation, the equation you are solving is x=.95(99.5). Now when you solve that, you will get the dollar amount of the markup, but that is not the whole cost of the sled. You have to add the mark up to the original cost of 99.50. Does that make sense?

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Three added to eight times a number is the same as three times the value of two times the number minus one

Vika [28.1K]

Im sorry do not now i will try and help

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4 years ago

Can some please help me with Algebra 2 work? Its problems 45-48 all and 53-57 just odd numbers

Elanso [62]

45)

E = mc² (solve for "m" by dividing both sides by c²)

E/c² = m

46)

c(a + b) - d = f (to solve for "a"; add "d", divide by "c" and then subtract "b")

c(a + b) = f + d

(a + b) = (f + d)/c

a = (f + d)/c - b

47)

z = πq³h (solve for "h" by dividing both sides by πq³)

z/πq³ = h

48)

(x + y)/z - a = b (solve for "y"; add "a", multiply by "z", and then subtract "x")

(x + y)/z = b + a

(x + y) = z(b + a)

y = z(b + a) - x

53)

5x - 9 = 11x + 3

-9 = 6x + 3 subtracted 5x from both sides

-12 = 6x subtracted 3 from both sides

-2 = x divided both sides by 6

55)

5.4(3k - 12) + 3.2(2k + 6) = -136

16.2k - 64.8 + 6.4k + 19.2 = -136 distributed 5.4 and 3.2

22.6k - 45.6 = -136 added like terms (16.2k + 6.4k and -64.8 + 19.2

22.6k = -90.4 added 45.6 to both sides

k = -4 divided both sides by 22.6

57)

(4/9)y + 5 = (-7/9)y - 8

4y + 45 = -7y - 72 multiplied by 9 to clear the denominator

11y + 45 = -72 added 7y to both sides

11y = -99 subtracted 45 from both sides

y = -9 divided both sides by 11

8 0

4 years ago

Nicole made $264 for 12 hours of work.

ASHA 777 [7]

Answer:

12 5/6 hours

Step-by-step explanation:

154 ÷ 12 = 12.833333333333= 77/6 = 12 5/6

4 0

2 years ago

Next three terms in (1024, -128, 16...) you can write them as fraction if needed

Tcecarenko [31]

Answer:

-2 1/4 - 1/32

Step-by-step explanation:

16x -1/8 = -2 do the same for all

8 0

3 years ago

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 10^{7} calculations per second?

crimeas [40]

Answer:

the comuter does 1 calculation in 1.5* $10^{-17}$ nanosec

Step-by-step explanation:

First step: we need to write all terms in nanosec, as we know:

1[nanosec]= $10^{-9}$ [sec]

The computer does 6.7* $10^{7}$ [ $\frac{calculation}{sec}$ ]

if we multiplicate for $\frac{sec}{nanosec*10^{*9}}$ , from the units convertion.

6.7* $10^{7}$ [ $\frac{calculation}{sec}$ * $\frac{sec}{nanosec*10^{*9}}$

6.7* $10^{16}$ [ $\frac{calculation}{nanosec}$ ]

Now doing a simple three rule we have this:

6.7 * $10^{16}$ calculation in ⇒ 1 nanosec

1 calculation in ⇒ $\frac{1 nanosec* 1calculation}{6.7*10^{16} calculation }$

So, we found: the comuter does 1 calculation in 1.5* $10^{-17}$ nanosec

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3 years ago