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Kipish [7]
2 years ago
12

Which of the following expressions are equivalent to (9 7/8 + 2 4/5)-1/2

Mathematics
2 answers:
nikklg [1K]2 years ago
7 0

Answer:A and B. Step-by-step explanation: C) 9 7/8 - (- 2 4/5) - (- 1/2) = = 9 7/8 + 2 4/5 + 1/2 (F). D) - (- 9 7/8 + 2 4/5) - 1/2) =.

I hope this helped^.^

May i have brainliest? ^.^

Have a great day buddy! ~hailey

ludmilkaskok [199]2 years ago
3 0

Answer:

A and B both represent the expression (9 7/8 + 2 4/5) -1/2)

Step-by-step explanation:

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If 25% of a number is 65 and 60% of the same number is 156, find 35% of that number.
Goshia [24]

Answer:

35% of that number is 91.

Step-by-step explanation:

we need to first find 25% of what number equals 65.

65×100÷25 = 260

Then, if you use the same method again, 60% of 260 would be 156.

We know "that" number is 260, and all we need to do is find 35% of it.

35% of 260 = 91

Hope this helped :)

8 0
3 years ago
11 - x when x= -4 how do you solve this
vodka [1.7K]

Answer:

15 is the answer

Step-by-step explanation:

We know that x = -4, so substitute x for -4 in the problem

11 - (-4)

2 negative signs make a positive sign

11 + 4

=15

8 0
3 years ago
Read 2 more answers
If u = -8i + 7j, what is the magnitude of -5u? Simplify any radicals.​
lubasha [3.4K]

Answer:

- 5 \sqrt{113}

Step-by-step explanation:

Find the magnitude of the complex number

Notice the magnitude is equal to

u = \sqrt{ {a}^{2}  +  {b}^{2} }

where a is the real number and b is the imaginary number.

Substitute

u =  \sqrt{ - 8 {}^{2}  + 7 {}^{2} }

u =  \sqrt{64 + 49}

u =  \sqrt{113}

Multiply this by -5

- 5 \sqrt{113}

7 0
3 years ago
How do you calculate percentile in excel? How many students scored lower than 490?
Elina [12.6K]
Calculate rank percentile in Excel

To calculate the rank percentile of a list data, you can use a formula. Select a blank cell that you will place the rank percentile at, type this formula =RANK. EQ(B2,$B$2:$B$9,1)/COUNT($B$2:$B$9), press Enter key and drag fill handle down to calculate all rank percentiles.
3 0
3 years ago
The cash-in receipts (money going in) in Brandon's cash drawer total $823.27, and his cash-out receipts (money leaving) total $7
Brut [27]

Answer:

$250

Step-by-step explanation:

Let x = amount he started with in his drawer

x + $823.27 - $734.87 = $338.40

$823.27 would be added because it is money going in

$734.87 would be subtracted because it is the money going out

solve for x

x = $250

6 0
3 years ago
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