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AfilCa [17]
3 years ago
9

Simplify into one fraction. (-4x/x+7) - (8/x+7)

Mathematics
1 answer:
andre [41]3 years ago
3 0
(-4x/x+7) - (8/x+7)

= -4x-8/x+7
so; the answer is (c)... :)
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What place value is 7 in 7,000.2
Dennis_Churaev [7]

Answer:

thousands place

Step-by-step explanation:

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8 0
3 years ago
Mrs. Adesso wants to take her class on a trip to either the science center or natural history museum. The science center charges
BartSMP [9]

Answer:

  25

Step-by-step explanation:

When we write expressions for the total cost of each field visit and set them equal, we find the solution to be the ratio of the difference in fixed cost to the difference in variable cost.

  y = 75 +7x . . . . . cost for x students to visit the science center

  y = 50 +8x . . . . cost for x students to visit the natural history museum

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Subtracting the first equation from the second, we get ...

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  25 = x . . . . . add 25; the number of students such that costs are equal

The cost will be the same either place for 25 students.

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<em>Additional comment</em>

Here, the fixed cost difference is 75-50=25, and the variable cost difference is 8-7=1. The ratio of these costs is ...

  $25/($1 /student) = 25 students.

This relationship only holds when the higher fixed cost is associated with the lower variable cost. Charges are such that one place caters to larger numbers of students (science center), and one prefers fewer students (natural history museum).

4 0
2 years ago
Please help me now I need the answer to this now please help me please help
Vadim26 [7]

Answer:

Too much please's

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Plz help wit number 5 will mark Brainiest
Nana76 [90]
The function is y=2x
this means that the solutions will have the form (x, y)=(x,2x).
For example: (0,0),(1,2),(2,4),(3,6) are solutions.
The first answer choice satisfies the above conditions.
The second answer choice contains (2,2), and (2,6), both of which do not satisfy the (x,2x) condition, so it's not correct.
The third answer choice contains (4,2), which again does not satisfy (x,2x), so not the right answer.

3 0
3 years ago
Jenni bakes two rectangular cakes to put on top of each other. Each cake is 9 in wide, 13 in long, and 2 in high. How many squar
omeli [17]

Answer:

Step-by-step explanation:

we will need to find the volume of the frosting

V=l*w*h

V=2(13*2*9)= 468 in^2 of frosting for the cake

3 0
3 years ago
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