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Contact [7]
3 years ago
10

Mrs. Markum took her family to a restaurant for dinner. The bill was $39.50.

Mathematics
1 answer:
ioda3 years ago
5 0

Answer: $41.47

Step-by-step explanation: .15 x 39.50 = 5.925 (round up to 5.93), 39.50-5.93=33.57, .20 x 39.50 = 7.90, 33.57 + 7.90 = $41.47

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A number when divided by 780 gives remainder 38 .What
baherus [9]

Given:

A number when divided by 780 gives remainder 38.

To find:

The reminder that would be obtained by dividing same number by 26.

Solution:

According to Euclis' division algorithm,

a=bq+r                ...(i)

Where, q is quotient and 0\leq r is the remainder.

It is given that a number when divided by 780 gives remainder 38.

Substituting b=780,\ r=38 in (i), we get

a=(780)q+38

So, given number is in the form of 780q+38, where q is an integer.

On dividing 780q+38 by 26, we get

\dfrac{780q+38}{26}=\dfrac{780q}{26}+\dfrac{38}{26}

\dfrac{780q+38}{26}=30q+\dfrac{26+12}{26}

\dfrac{780q+38}{26}=30q+\dfrac{26}{26}+\dfrac{12}{26}

\dfrac{780q+38}{26}=30q+1+\dfrac{12}{26}

Since q is an integer, therefore (30q+1) is also an integer but \dfrac{12}{26} is not an integer. Here 26 is divisor and 12 is remainder.

Therefore, the required remainder is 12.

4 0
3 years ago
For a direct variation describe how the constant of variation affects whether y increases or decreases as x increases
Goryan [66]
Direct variation is of the form: y=kx  (inverse variation is of the form y=k/x)

Assuming that k is positive :)

y increases as x increases and y decreases as x decreases.  There is a direct ratio that is described by k.  k=y/x.
7 0
4 years ago
30÷10 divide until you find the ten thousand digit
klemol [59]

Answer:

The ten thousandth digit would be 0.

Step-by-step explanation:

30/10=3

3 is a whole number so there would be no decimal which means that in the ten thousandth place would be 0

30/10=3.0000

4 0
3 years ago
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lilavasa [31]
The algebraic property demonstrated in the example below is Transitive Property of Equality. There we can see how the first thing is equal to the second one and notice that the first one is equal to the third one too. This is a  Transitive Property of Equality in a nutshel. 
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4 years ago
NJI.IL ..
Aloiza [94]

Answer:

12.48

Step-by-step explanation:

12*1.04=12.48

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3 years ago
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