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Kazeer [188]
3 years ago
6

If someone could answer these two questions, that would be wonderful:

Mathematics
1 answer:
olganol [36]3 years ago
7 0
1. An ordered pair is a pair of numbers in parentheses, separated by a comma, which indicates the distance of a point from the origin. The first number represents the x-coordinate (where it is from side-to-side), and the second number represents the y-coordinate (where it is from up and down).

2. The four quadrants of the basic plane are listed in this order:

  II    |     I
        |   
=========
        |
 III    |    IV

A point in the first quadrant (I) <span>could be (5, 10), since that means that you would be moving right 5 and up 10.</span>

A point in the second quadrant (II) could be (-3, 6), since that means that you would be moving left 3 and up 6.

A point in the third quadrant (III) could be (-7, -1) since that means that you would be moving left 7 and down 1.

A point in the fourth quadrant (IV) could be (2, -6) since that means that you would be moving right 2 and down 6.

A point on the x-axis could be (9, 0) since that means that we are moving right 9 and making no vertical movement.

A point on the y-axis could be (0, 4), since that means that we are going up 4 and making no horizontal movement.

Hope that helped! =)
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For brainiest:):):):):):):):)
mrs_skeptik [129]

Answer:

11) to know the 20% of 70$ we need to 70÷100×20 = 14 now the sale price will ne 70-14$ = 56$

12) same 20% of 92= 92÷100×20= 18.4 $ so now original price= 92+18.4 = 110.4

13) same 40% of 30$ = 30÷100×40 = 12$ now selling price = 30-12$= 18$

3 0
3 years ago
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A store was keeping track of how many bottles of hand sanitizer and soap bars were sold last week. A bottle of hand sanitizer co
agasfer [191]

Answer:

Hand sanitizer=135 bottles

Bar soap=83 bottles

Step-by-step explanation:

Let x represent the hand sanitizer and y the sop.

-Our problem can be expressed as:

x+y=218\ \ \ \ \  ...i\\\\4.25x+2.15y=752.20\ \ \ \ \  ...ii

#Make x the subject in i then substitute in ii to solve;

x=218-y\\\\\therefore 4.25(218-y)+2.15y=752.20\\\\926.5-4.25y+2.15y=752.20\\\\174.3=2.1y\\\\y=83\\\\x=218-83=135

Hence, 135 bottles of hand sanitizer and 83 bottles of bar soap were sold.

5 0
3 years ago
Justine and her cousin Natalie are picking out snacks at the corner store for movie night. Natalie spends $5.30. Justine spends
Kitty [74]

Answer:

34.45

Step-by-step explanation:

11÷2 = 5.5

so 5.5x5.30 = 29.15 + 5.30 = 34.45

8 0
3 years ago
A ball is thrown from an initial height of 7 feet with an initial upward velocity of 23 ft/s. The ball's height h (in feet) afte
Fantom [35]

Answer:

Step-by-step explanation:

If we are looking for the time(s) that the ball is at a height of 15, we simply sub in a 15 for the height in the position equation and solve for t:

15=-16t^2+23t+7 and

0=-16t^2+23t-8

Factor this however you factor a quadratic in class to get

t = .59 seconds and t = .85 seconds.

This means that .59 seconds after the ball was thrown into the air it was 15 feet off the ground. Then the ball reached its max height, gravity took over, and began pulling it back down to earth. The ball passes the height of 15 feet again on its way down after .85 seconds.

5 0
3 years ago
What expression is equal to a x a x a x b xb
kolezko [41]
The expression that is equal to a x a x a x b x b is a³ x b²
6 0
3 years ago
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