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Amiraneli [1.4K]
3 years ago
12

a cash register contains $10 bills and $20 bills with the total value of $340. if there are 23 bills total then how many of each

does the register contain
Mathematics
1 answer:
Radda [10]3 years ago
4 0
Say x is the amount of $10 bills and y is the amount of $20 bills

10x+20y=340
x+y=23

you would have to cancel out an x or y so let's cancel out the x

10x+20y=340
-10(x+y=23)

which becomes

10x+20y=340
-10x-10y=230

which equals

0x+10y=110 or y=11

so there are 11 $20 bills...

x+11=23
-11 -11
x=12

which means there are 12 $10 bills

The answer is 11 $20 bills and 12 $10 bills

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sweet-ann [11.9K]

Given;

ABCDE is similar to VWXYZ

so, the corresponding segments are proportional

We need to find the length of XY

XY is corresponding to CD

CD = 1.2 cm

Finding another two corresponding sides

DE = 3.2 cm , YZ = 4 cm

so,

\begin{gathered} \frac{XY}{CD}=\frac{YZ}{DE} \\  \\ \frac{XY}{1.2}=\frac{4}{3.2} \\  \\ XY=\frac{4}{3.2}\cdot1.2=1.5\operatorname{cm} \end{gathered}

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3 0
2 years ago
What is the best name for the part of the figure identified by
BigorU [14]
It is Line of symmetry
3 0
3 years ago
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Leila's father used six-tenths of a full tank of gasoline on their trip. Nine gallons were used.
Bad White [126]

Answer:

15

Step-by-step explanation:

if 6/10 = 9 gal. then we can divide 9 by 6 and then multiply that answer by ten

5 0
4 years ago
A shopkeeper sold a dressing table for 7512.75 at a profit of 19*1/4% What was the cost price.​
Katarina [22]
Cp=7512.75×[100÷(100+77÷4)]
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4 0
3 years ago
Find the greatest common factor of 10, 30,10,30,10, comma, 30, comma and 454545.
borishaifa [10]

Answer:

GCF = 5

Step-by-step explanation:

Given:

The numbers are given as:

10, 30 and 45

A factor of a number is a number by which the given number is evenly divisible.

Example: 2 is a factor of 4 as 4\div 2 =2. So, 4 is evenly divisible by 2 and hence 2 is a factor of 4.

Now, factors of 10 = 1, 2, <u>5</u>, 10.

Factors of 30 = 1, 2, 3, <u>5</u>, 6, 10, 15, 30.

Factors of 45 = 1, 3, <u>5</u>, 9, 15, 45.

So, the greatest common factor in all the three numbers is 5.

Hence, the greatest common factor of 10, 30 and 45 is 5.

5 0
4 years ago
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