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iren2701 [21]
3 years ago
11

Simplify

Mathematics
1 answer:
Schach [20]3 years ago
8 0
2x + 7y + 3x + 4y 

(2x+3x)+(7y-4y)
 
   Gather \ like \ terms 

5x+11y
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Marina spent $13.50 at the grocery store. She bought pears, kiwis, and pineapples. Pears cost $0.50 each, pineapples cost $1.50
MArishka [77]

Answer:

Number of pineapples= 10

number of pears = 19

number of kiwis = 10 -2 = 8

Step-by-step explanation:

Cost of a pear = $ 0.50

Cost of a pineapple = $ 1.5

cost of a kiwi = $ 0.3

Let the pineapples = p

Number of pears = 9 + p

Number of kiwis = p - 2

The cost is

0.15 p + 0.5 (9 + p) + 0.3 (p - 2) = 13.50

0.15 p + 4.5 + 0.5p + 0.3 p - 0.6 = 13.50

0.95 p = 9.6

p = 10

 

8 0
3 years ago
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There are 20 horses in a field one quarter of the horses are brown how many brown horses are there
Misha Larkins [42]

Answer:

20 is total

1/4 of 20 = 5

5 horses are brown

8 0
3 years ago
Somebody please help ASAP!!!
Ad libitum [116K]

Answer:

2x+40 is what it simplifies down to

Step-by-step explanation:

7 0
2 years ago
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An angle in standard position measures 7π6 radians. In which quadrant does the terminal side of this angle lie?
Gennadij [26K]

Hello!

To find the quadrant of where the angle 7π/6 radians is located, we will need to convert from radians to degrees. To do that, we will need to multiply it by 180/π.

7π/6 × 180/π = 1260/6 = 210 degrees

Since 210° is between 180° and 270°, then 7π/6 radians is located in the third quadrant shown by: Quadrant III, then 180° < θ < 270°.

Therefore, 7π/6 radians is located in quadrant III.

8 0
3 years ago
This scatter plot shows the relationship between the number of sweatshirts sold and the temperature outside
Sphinxa [80]

Answer:

y intercept: 250

slope: -10/3

Step-by-step explanation:

y intercept is where x = 0

slope is found by using the equation (y2 - y1) / (x2 - x1) = (200 - 250) / (15-0) = -50 / 15 = -10 / 3

6 0
2 years ago
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