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Gennadij [26K]
3 years ago
7

The Temperature t is at least 75f

Mathematics
2 answers:
Masteriza [31]3 years ago
4 0

Answer:

75 ≥ t

Step-by-step explanation:

stepan [7]3 years ago
3 0

Answer:  t \ge 75

Explanation: Since t is at least 75 degrees Fahrenheit, this is the same as saying "t = 75 or more". In other words, t = 75 is the lowest we can go. We can consider it a floor value. So that's why we would write that t is greater than or equal to 75.

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Determine whether the graph is the graph of a function.
photoshop1234 [79]

Answer:

  Yes

Step-by-step explanation:

Unless the line is vertical, the graph of any straight line is the graph of a function.

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A vertical line does not map x to one single y-value, so it does not represent a function. Any other line does map each x to a single y-value, so does represent a function.

8 0
3 years ago
Read 2 more answers
A group of friends ordered 3 burgers and 3 medium fries for a total of $17.55. The price of a burger is .75 more than two times
Tatiana [17]

Answer:

Cost price of the burger = $4.15

Step-by-step explanation:

Given data:

3 burgers were ordered

3 medium fries were ordered

Total order cost 17.55

Let the price of the burger be X

Let the price of the medium fries be Y

<em>Equation for the total sale will be </em>3X + 3Y = 17.55 <em>(equation 1)</em>

<em>from this statement 'The price of a burger is .75 more than two times the price of medium fries.' </em>

X - 2Y = 0.75 <em>(equation 2)</em>

<em>There are now two equations and two unknowns, a simultaneous equation is solved to find the cost of the  burger.</em>

<em>Many methods can be used to solve these equations but in this case substitution will be used</em>

<em>From equation 2 </em>

X = 0.75 + 2Y<em> (equation 3)</em>

<em>Substituting equation 3 into equation 1</em>

3(0.75 + 2Y) + 3Y = 17.55

2.25 + 6Y + 3Y = 17.55

6Y + 3Y = 17.55-2.25

9Y = 15.3

Y = 1.7

<em>Substituting Y into equation 3</em>

X = 0.75 + 2Y

X = 0.75 + 2(1.7)

X = 0.75 + 3.4

X = 4.15

Therefore the cost price of the burger is $4.15

6 0
2 years ago
Four brothers each bought two hotdogs and a bag of chips at the concession stand.if the bag of chips was $1.25,and the total was
ahrayia [7]

Answer:

  $1.65

Step-by-step explanation:

The total purchase can be described by ...

  4(2h +1.25) = 18.20 . . . . where h is the price of a hot dog

  8h = 13.20 . . . . . . . . . . . subtract 5.00

  h = 1.65 . . . . . divide by 8

The price of a hot dog was $1.65.

5 0
3 years ago
Mrs. Bull needs to be 46" tall to participate in the Glenwood Christmas Laser Tag Party. How many feet tall does
UkoKoshka [18]

Answer:

3.8333... ft

Step-by-step explanation:

1 ft = 12 inches

46 inches * (1 foot)/(12 inches) = 3.8333... ft

8 0
3 years ago
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nikdorinn [45]

Answer:

x^2-7x+3=0

Step-by-step explanation:

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