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olganol [36]
3 years ago
7

Plz help i will mark you brainiest

Mathematics
1 answer:
Anettt [7]3 years ago
7 0

Answer: We know how much 4 pizza's costs, we want to find out the regular cost of 1 pizza

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Simplify 2(x - 3) + 7(x + 2).<br><br> 9x - 8<br> 9x + 3<br> 9x + 8
Aleks04 [339]
The answer is 9x+8. if you distripute the 2, you get 2x-6. if you distribute the 7, you get 7x+14. then you combine like terms ans get 9x+8

7 0
2 years ago
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A scientist measured the amounts of fertilizer given to plants, the heights to which the plants grew, and the amount of fruit th
pentagon [3]

Answer:

d. Since fertilizer is in both data sets and is positively correlated to both tree height and fruit yield, it is like that tree height and fruit yield are also positively correlated.

Step-by-step explanation:

The correlation refers to the relationship between two or more variables i.e how they are interrelated to each other. It can be positive, negative, perfect, etc

As we can see in the figure that in both the data sets the fertilizer contains the same values which depict that they are positively correlated with respect to the height of tree and fruit yield that derives that the height of tree and fruit yield is also positively correleated

Here positive correlation means that the two variables moving in a similar direction i.e if one variable increased so the other is also increased

Therefore the option d is correct

6 0
2 years ago
75=6·w<br> the solution is w=?
Ber [7]
I think answer should be 450 please give me brainlest let me know if it’s correct or not okay thanks bye
7 0
2 years ago
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Factor the expression 2x4y – 18x2y3 completely.
Annette [7]

Answer:

B. 2x2y(x – 3y)(x + 3y)

Step-by-step explanation:

2 {x}^{4} y - 18 {x}^{2}  {y}^{3}  \\  = 2 {x}^{2} y( {x}^{2}  - 9 {y}^{2} ) \\  = 2 {x}^{2} y \{ {x}^{2}  -  {(3y)}^{2} \} \\  \purple {\boxed{ \bold{ = 2 {x}^{2}  y(x - 3y)(x + 3y)}}}

5 0
3 years ago
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Gracie has 5 quarters 4 nickels and 1 penny in her pocket. She selects a coin at random. What is the probability of selecting a
irina1246 [14]

Answer:

2/5

Step-by-step explanation:

5+4+1 = 10. If you have 4 nickels out of 10 coins, it means there is a 4/10 chance of selecting one, but to simplify, 2 is the greatest common factor, so you would divide each number.

4/2 = 2.

10/2 = 5.

The answer is 2/5.

3 0
3 years ago
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