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igor_vitrenko [27]
2 years ago
9

Which number line shows the solution ​

Mathematics
1 answer:
Mariana [72]2 years ago
5 0
The first number line shows the solution
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Solve the following system of equations and show all work.<br> y = 2x^2 +9x<br> y = 4x + 25
Genrish500 [490]

Answer:

x = 5/2 thì y = 35 và x = -5 thì y = 5

Step-by-step explanation:

thay y = 4x + 25 vào phương trình y = 2x ^ 2 + 9x ta có:

4x + 25 = 2x ^ 2 + 9x

⇒2x ^ 2 + 5x - 25 = 0

⇒ x = 5/2 và x = -5

thay x = 5/2 vào phương trình y = 4x + 25 ⇒ y = 4*(5/2) + 25 = 35

thay x = -5 vào phương trình y = 4x + 25 ⇒ y = 4*(-5) + 25 = 5

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3 years ago
Translate the sentence into an inequality <br> The sum of 3 and w is grater than 22
Marianna [84]
The answer is 3+w>22
4 0
3 years ago
Please help I’ll mark you as brainliest if correct!
schepotkina [342]
Increases by +2
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Sixth number would be 17+2=19
Seventh is 19+2=21
Eighth is 21+2=23

6 0
2 years ago
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pashok25 [27]

Step-by-step explanation:

[ Refer to the attachment ]

  • Q 1 was not clear but yet !!

8 0
3 years ago
Anna read 1/8 a book in 1/2 an hour. How much can she read in an hour?
Travka [436]

Answer:

2/8 of a book in an hour

Step-by-step explanation:

1/2 an hour times 2 is 1 ( an hour)

1/8 times 2 is 2/8

she can read 2/8 of a book in an hour

8 0
2 years ago
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