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Zinaida [17]
3 years ago
6

HURRY BRAINLIEST AND 40 POINTS!!!

Mathematics
2 answers:
olganol [36]3 years ago
3 0
ANSWER:
Instead of greater than, the inequity symbol should be greater than or or equal to.

Step-by-step explanation:
We know the variable x represents the number of students. We also know there are 5 chaperones attending; this makes x+5 , by 2.50
It costs $2.50 per person; this means we multiply the number of people, x+5, by 2.50:

2.50(x+5)

The class has $90 to spend; this means they can spend up to and including $90. This gives us
90>2.50(x+5)
_
qaws [65]3 years ago
3 0

Answer:

Statement 3

Step-by-step explanation:

2.50(x + 5) 《 90

90 》 2.50(x + 5)

Should be 》instead of > because cost can be $90 too

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Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form. What is the value of c in her equation
Zolol [24]

Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form

The standard form of quadratic equation is

y= ax^2 + bx + c

When y=0 then the standard equation becomes

0= ax^2 + bx + c

Now we compare the given equation 0 = -x^2 + 4x - 7  with 0= ax^2 + bx + c and find the value of a, b,c

-x^2 can be written as -1x^2

0= ax^2 + bx + c

0 = -1x^2 + 4x - 7

a= -1 , b=4  and c=-7

The value of c is -7

4 0
3 years ago
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Mrac [35]
(4*-2)-(-2*8)=
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8 0
3 years ago
If A={2,3,5,7} and B={2,4,6,8} then what is AnB?​
gregori [183]

Answer:

  • A∩B = {2}

Step-by-step explanation:

It asks for the common set of A and B.

<u>There only one element common to both the given sets:</u>

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2 years ago
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Ilya [14]

Answer:

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Step-by-step explanation:

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This is the change in miles / change in time.

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Slope = 3

7 0
2 years ago
Understanding the _____ of what you read helps you understand why it is being presented in a certain way and how you can react t
Natalka [10]

Answer:

Author is the correct answer

Step-by-step explanation:

Hope you have a great day :)

4 0
3 years ago
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