2 years ago

96 Children are on a school trip, there

Mathematics

1 answer:

iren2701 [21]2 years ago

5 0

14 mini buses but there will be 1 seat open

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3(x+9)-4x=11x-13x+23

adoni [48]

Answer:

$\huge\boxed{x=-4}$

Step-by-step explanation:

$3(x+9)-4x=11x-13x+23\\\\(3)(x)+(3)(9)-4x=(11x-13x)+23\\\\3x+27-4x=-2x+23\\\\(3x-4x)+27=-2x+23\\\\-x+27=-2x+23\qquad|\text{subtrsact 27 from both sides}\\\\-x=-2x-4\qquad|\text{add}\ 2x\ \text{to both sides}\\\\x=-4$

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2 years ago

Kate can mow lawns at a constant rate of 4/5 lawns per hour. How many lawns can Kate mow in 20 hours?

weqwewe [10]

Answer:

16 lawns

Step-by-step explanation:

set up a proportion:

(4/5 ÷ 1) = (x÷20)

cross-multiply:

5x = 80

x = 16

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3 years ago

In what quadrant is the point (-7, -16)? Help!!!!!

svp [43]

Answer:

quadrant 3

Step-by-step explanation:

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2 years ago

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Find the mean, median, and mode of the data set.

Paladinen [302]

Answer:

Step-by-step explanation:

Mode. is. 2

Mean. Is 4.2

Median. Is. 4.5

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3 years ago

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{(-2, 6), (2, 0), (3, 6), (4, -1), 5, 3)} Dom: Range: Function?

kozerog [31]

Answer:

Domain = {-2, 2, 3, 4, 5}

Range= {6, 0, 6, -1, 3)

It is a function

Step-by-step explanation:

It is a function because there is only one y value for each x value

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3 years ago