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Gekata [30.6K]
3 years ago
7

Solve the following system by graphing and identify the point of intersection -2x - y=-12 2x-3y=4

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

{x,y} ={10,-8}

Step-by-step explanation:

hope it help please mark me as brinnelist

loris [4]3 years ago
6 0
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What is 2/345 as a percent?
scoundrel [369]

Answer 0.58

Step-by-step explanation:

did the quiz  now have a nice day :)

3 0
2 years ago
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What is the volume, in cubic inches, of a cylinder with a height of 16 inches and a base radius of 3 inches
icang [17]

Answer:

452.39 would be the volume

Step-by-step explanation:

V = π r² h

3.14 x 9 x 16

6 0
3 years ago
Please I need this answer I don’t understand
e-lub [12.9K]

Answer:

Step-by-step explanation:

by inspection

angles 2 and 3 are equal, so they will be half angle ABC

angles 1 and 5 are equal  so they will be

      angle 1 + angle 5 + angleABC = 180°      kind of a rule for triangle

                                                                        the sum of all angles - 180°

      (angle 1) x 2 = 180° - 70°

       angle 1 = 90° - 35°

      angle 1 = 55°   which equals angle 5

angle 4 is clearly a right angle 90°

DO the same procedure for the bottom triangle

angle 8 and 9 are half of angle ADC

angle 8 and 9 are half of 46°

both are 23°

angle 6 equals angle 7

2 ×angle 6 = 180° - 46°

angle 6 = 90° - 23°

angle 6 = 67°    angle 7 = 67°

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8 0
2 years ago
Noah wants to buy a skateboard that usually sells for $79.99. All merchandise is discounted by 12%. What is the total cost of th
beks73 [17]

Answer:

$74.36 sorry all i got

Step-by-step explanation:

First, we need to determine the sales price of the skateboard. The formula for find the discounted prices is:

Where:

is the sales price of the item: what we are solving for in this part of the problem.

is the regular price of the item: $79.16 for this problem.

is the discount rate: 12% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 12% can be written as  

12

100

Substituting and calculating  

gives

79.16

79.16

12

100

79.16

949.92

100

79.16

9.4992

69.6608

69.66

rounded to the nearest cent.

Now we can find the total price of the item with tax included. The formula for this is

#t = p + (p * r)

Where, this time:

is the total price: what we are solving for in this problem.

is the price of the item: it is the sales price of the item for this problem which is $69.66

is the tax rate: 6.75% or, using the same rule as in the formula above:  

6.75

100

Substituting and calculating  

gives:

69.66

69.66

6.75

100

69.66

470.205

100

69.66

4.70205

74.36205

74.36

rounded to the nearest cent.

Noah would pay a total cost (with the discount and after tax) of $74.36

5 0
3 years ago
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What is the product of 3 and 57 explain your thinking
kirza4 [7]

Answer:

3*57=171

Step-by-step explanation:

6 0
2 years ago
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