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Stella [2.4K]
2 years ago
13

At a dinner, the meal cost $32 and a sales tax of $1.87 was added to the bill. How much would the sales tax be on a $64 meal?

Mathematics
1 answer:
Vilka [71]2 years ago
3 0

Answer:

3.74

Step-by-step explanation:

Since 64 is x2 the number 32, and the tax for that is 1.87 you times that times 2 so:

1.87x2=3.74

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Solve the system shown.
krek1111 [17]
1. Rewrite the system:

 x+12y=68  (i)
 x=8y-12   (ii)

 2. Let's substitute the equation (ii) into the equation (i):

 x+12y=68
 (8y-12)+12y=68

 3. Then, you have:

 8y-12+12y=68

 4. When you clear "y", you have:

 20y-12=68
 20y=68+12
 20y=80
 y=80/20
 y=4

 5. You already have the value of "y". Now, you must substitute this value into the equation (ii):

 x=8y-12
 x=8(4)-12
 x=32-12
 x=20

 6. Therefore, the result is:

 x=20
 y=4
3 0
3 years ago
Solve this equation: 2s + s + 12 = 132.<br> a. s = 9<br> B. s = –30<br> C. s = 120<br> D. s = 40
madam [21]
The equation given in the question is
2s + s + 12 = 132
3s + 12 = 132
3s = 132 - 12
3s = 120
s = 120/3
   = 40
From the above deduction we can see that the value of the unknown variable comes out to be exactly 40. This is possible because there is a single unknown variable and a single equation to get the value of the variable from. So the correct option among all the options given in the question is option "D".
8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the pair of point? (5, 7), (2, 1)
choli [55]

The slope of the line that passes through the pair of point (5, 7), (2, 1) is 2

<em><u>Solution:</u></em>

Given that line that passes through the pair of point (5, 7), (2, 1)

To find: slope of the line

<em><u>The slope of line is given as:</u></em>

For a line passing through two points (x_1, y_1) and (x_2, y_2) slope is given as:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Here in this problem,

\left(x_{1}, y_{1}\right)=(5,7) \text { and }\left(x_{2}, y_{2}\right)=(2,1)

<em><u>Substituting the values in above formula,</u></em>

m=\frac{1-7}{2-5}=\frac{-6}{-3}=2

Thus the slope of given line is 2

4 0
3 years ago
There are 12 counters in a bag.
astraxan [27]

Answer:

number of green counters

=12-3+1+2

=6

number of green and yellow counters

=6+2

=8

probability of getting green or yellow counter

=8/12

=2/3

Step-by-step explanation:

5 0
2 years ago
Can someone please give me the right answer.
MrRa [10]

Answer:

Y=106

X=18

Step-by-step explanation:

Both sides would have 65° because of the Alternet interior angles.

180° minus the 65° gives you 115° when you solve for X and solve for Y Use the 115° as shown in the photo below

8 0
3 years ago
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