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Sonbull [250]
4 years ago
8

50 / (-8) / (-5) = ?

Mathematics
1 answer:
ser-zykov [4K]4 years ago
8 0

<em>☽------------❀-------------☾</em>

<em>Hi there!</em>

<em>~</em>

<em></em>50 \div (-8) \div (-5) = 1.25<em></em>

<em>❀Hope this helped you!❀</em>

<em>☽------------❀-------------☾</em>

<em></em>

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What is the range of the function f(x)=3/4x-3
kipiarov [429]

Answer:

(-∞,0)∪(0,∞)

Step-by-step explanation:

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7 0
3 years ago
Anna enjoys having dinner at a restaurant in a town where the sales tax on meals is 10%. She leaves 15% tip before the sales tax
vitfil [10]

Answer:

The cost of her dinner without tax or tip is <u>$22</u>.

Step-by-step explanation:

Given:

Anna enjoys having dinner at a restaurant in a town where the sales tax on meals is 10%.

She leaves 15% tip before the sales tax is applied, and the tax is calculated on the pre-tip amount.

She spends a total of $27.50 on her dinner.

Now, to find the cost of her dinner without tax or tip.

Let the cost of dinner without tax or tip be x.

So, the tax is:

10\%\ of\ x.

=\frac{10}{100} \times x

=0.10\times x

=0.10x.

And, the tip is:

15\%\ of \ x.

=\frac{15}{100} \times x

=0.15\times x

=0.15x.

<u><em>As given, she spends a total $27.50 on her dinner.</em></u>

Now, to get the cost of her dinner without tax or tip:

x+0.15x+0.10x=27.50

x+0.25x=27.50

1.25x=27.50

<em>Dividing both sides by 1.25 we get:</em>

x=22

x=\$22.

Therefore, the cost of her dinner without tax or tip is <u>$22</u>.

5 0
3 years ago
A population has a mean muμequals=5858 and a standard deviation sigmaσequals=4242. find the mean and standard deviation of a sam
vova2212 [387]
This one is a challenge
5 0
3 years ago
The ten's digit of a two digit number is 1 more than 4 times the units' digit. if 63 is subtracted from the number, the order of
ser-zykov [4K]
Let x be the digit in the tens place and y be the digit in the ones place.
so, the digit is xy
<span>
The ten's digit of a two digit number is 1 more than 4 times the units' digit.
</span>x = 4y + 1

<span>63 is subtracted from the number, the order of the digits is reversed
</span>10x + y - 63 = 10y + x
9x - 9y = 63

x = 4y + 1 ------------ (1)
9x - 9y = 63  ---------- (2)

Sub (1) into (2)
9(4y + 1) - 9y = 63
36y + 9 - 9y = 63
27y = 63 - 9
27y = 54
y = 2 ------- sub into (1)

x = 4(2) + 1 = 9

x = 9, y = 2
The number is 92

3 0
4 years ago
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