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weqwewe [10]
3 years ago
15

Solve the following system of equations using elimination (multiplication)

Mathematics
1 answer:
Alecsey [184]3 years ago
6 0
X= 3 y=3

(3)2x+y=9
4x-3y=3

6x+3y=27
4x-3y=3
——————
10x=30
—————-
10
x=3

2(3)+y=9
6+y=9
-6. -6
y=3
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Christopher has breakfast at a cafe and the cost of his meal is \$36.00$36.00dollar sign, 36, point, 00. Because of the service,
Leokris [45]

Answer:

His total bill including the tip = $39.6

Step-by-step explanation:

Christopher has breakfast at a cafe and the cost of his meal is $36.00

Because of the service, he wants to leave a 10% tip. This means that he would be paying more than the original cost of the meal. The cost of tip would be determined by multiplying the original cost of the meal by 10%. This becomes

Cost of tip = 10/100 × 36.00 =

0.1× 36.00= $3.6

His total bill including the tip would be sum of the cost of the original bill + cost of the tip. It becomes

36.00 + 3.6 = $39.6

6 0
4 years ago
How much will it cost to print a circular sign with a radius of 1.5 feet if the printing company charges $29 per square foot? Us
RUDIKE [14]

Answer:

$204.89

Step-by-step explanation:

Step 1

We have to first find the area of the circular sign.

Since the sign is circular in shape, we use the Area of Circle.

Area of a Circle = πr²

r = 1.5 feet

π = 3.14

Area of a Circle = 3.14 × 1.5²

= 7.065ft² or 7.065 square feet.

Step 2

We find out how much it cost to print the circular sign.

We are told in the question that

The printing company charges $29 per square foot

Hence,

1 square foot = $29

7.065 square feet =

Cross multiply

= 7.065 × $29

=$ 204.885

Approximately to the nearest cent, $204.89

Therefore, it will cost $204.89 to print the circular sign

7 0
3 years ago
What is the value of x <br> Enter your answer in the box.
Elza [17]
The value of the following thingy is not correct
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andreev551 [17]

Answer:

He ran one mile in 20 minutes

Step-by-step explanation:

4 0
4 years ago
Solve for?<br><br> ^^ How would I be able to find the other number that is missing?
Ede4ka [16]

Answer:

66° by adding up 75° and 39°, we get 114°.

since all triangles equal 180°, 180° minus 114° is 66°

6 0
2 years ago
Read 2 more answers
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