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zhuklara [117]
3 years ago
12

Darien ordered soda for $2.75, a sandwich for $8.50, and a dessert for $3.85. Sales tax was $1.15. Use mental math to find the t

otal amount of the bill. Explain
Mathematics
1 answer:
natta225 [31]3 years ago
3 0
What I would do is start with the price of the dessert and the sales tax $3.85+ $1.15= $5. I started with this because when you add the cents they equal a dollar which makes it easier to continue.


Then I would add the 2.75. This would be 7.75.


Then add 7.75 + 8.50. To simplify this, you can add 7 + 8, then .75+ .50

Which would equal 15 + 1.25 + 16.25
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Based on the scatter plot, is there any positive, negative or no correlation? Explain
mixer [17]

Answer:

A scatter plot is a type of graph that shows pairs of data plotted as points. ... If the points on the scatter plot seem to be scattered randomly, there is no relationship or no correlation between the variables. When there is a positive or negative relationship between your variables, you can draw a line of best fit.

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6 0
3 years ago
Find the midpoint between (12,5) and (2,5)
posledela

(7,5)

Step-by-step explanation:

Let (12,5) = (x1,y1) and (2,5) = (x2,y2)

By using Midpoint formula,

(\frac{x1 + x2}{2} ) \:  \:  (\frac{y1 +y2 }{2})

( \frac{12 + 2}{2}) \:  \:  \:  (\frac{5 + 5}{2} )

( \frac{14}{2} ) \:  \: ( \frac{10}{2} )

= (7,5)

7 0
2 years ago
What are all the terms in the expression 4mn + m + 5 and which is a constant?
mr Goodwill [35]

Answer: did u find the answer ? I’m stuck on the same problem lol

Step-by-step explanation:

3 0
3 years ago
number has 6 digits smallest digit is 0.01 largest digit is 8,000 digit in the tens is 2 less than digit on the hundreds the sum
monitta
What a problem!  We know that the largest digit is 8,000, and the smallest is 0.01.  The number is 8,_ _ _._1.  If the tens is 2 less than the hundreds digit, then if we make the hundreds digit x, the tens are x-2.  The tens digit plus the hundreds digit is the thousands digit, so x+(x-2)=8.  Let's solve: x+(x-2)=8.  Eliminate parentheses: x+x-2=8.  Use inverse operations:x+x-2+2=8+2.  x+x=10.  Combine terms: x+x=2x.  2x=10.  Divide: 2x/2=10/2.  x=5.

So the hundreds digit, x, is 5.  And the tens are x-2: 5-2=3.  The number is 8,53_._1.  And what's the only number that means the same, no matter what place value you put it in?  0!  This is the tenths place: 8,53_.01.  The remaining digit is the ones.  The largest one-digit even number is 8, so our number is 8,538.01!

Answer: 8,538.01
6 0
3 years ago
Two number have a sum of 1212 and a difference 518. What are the two numbers?
Lady_Fox [76]
The answers are 347 and 865. To solve this problem you set up two equations, x+y=1212 and x-y=518. You then get the second x by itself by adding y to both sides. You then have x+y=1212 and x=y+518. After this you substitute the x into the first equation and have y+518+y=1212. Then simplify to 2y=694 and y=347
Now that y=347 you put it in the original equation. Solve and get that x=865
3 0
3 years ago
Read 2 more answers
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