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Rina8888 [55]
3 years ago
5

Select all of the coefficients in the expression. 12xy3 + 2x5y + 4x5y2 + 7x5y.

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0
Coefficients are the numbers multiplied by the variables (letters)..not the exponents

so ur coefficients are : 12,2,4,7 <==
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Ms. Smith bought a 6 pound bag of candy for her students. She gave away 3 pounds and ate 10 ounces of candy. How many ounces doe
zysi [14]

Answer:

38oz

Step-by-step explanation:

6-3=3   3pounds-10ounces=38

3lb=48oz   48-10=38

8 0
3 years ago
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What set of reflections would carry trapezoid ABCD onto itself? (1 point) Trapezoid ABCD is shown. A is at negative 5, 1. B is a
amid [387]

Answer:

y=x, x axis,  y=x, y axis

Step-by-step explanation:

If a point A(x, y) is reflected along the y = x line, the new coordinates would be A'(y, x)

If a point A(x, y) is reflected across the x axis, the new coordinates would be A'(x, -y)

If a point A(x, y) is reflected along the y axis, the new coordinates would be A'(-x, y)

Firstly reflect Trapezoid ABCD along the y = x line to give:

A (-5, 1) ⇒ A'(1, -5). B (-4, 3) ⇒ B'(3, -4). C (-2, 3) ⇒C'(3, -2). D (-1, 1) ⇒ D'(1, -1)

Secondly reflect along the x axis to give:

A'(1, -5)⇒ A"(1,5). B'(3, -4)⇒ B"(3,4), C'(3, -2)⇒C"(3, 2), D'(1, -1) ⇒ D"(1, 1)

Thirdly reflect along the y = x line to give:

A"(1,5) ⇒ A"'(5, 1). B"(3,4) ⇒ B"'(4, 3). C"(3, 2) ⇒ C"'(2, 3). D"(1, 1) ⇒ D"'(1, 1)

Lastly reflect along the y axis to give:

A"'(5, 1) ⇒ A""(-5, 1), B"'(4, 3) ⇒ B""(-4, 3), C"'(2, 3) ⇒ C""(-2, 3), D"'(1, 1) ⇒ D""(-1.1)

6 0
3 years ago
The box plots below show the lifespan, in months, of laptop batteries manufactured by four companies:
melomori [17]

I see 2 answers here. Company C and D at 8 months... (Companies A and B at 5 months)

Explanation:

I took the Maximum and subtracted it by the Minimum.

Ex. Company D: 27 (Max) - 19 (Min) = 8 months

8 0
3 years ago
A firm produces a commodity and receives $100 for each unit sold. The cost of producing and selling x units is 20x 0.25x 2 dolla
vekshin1

Answer:

160 units and $6400

Step-by-step explanation:

We have that the cost per x unit is: 20 * x + 0.25 * x ^ 2

the price per unit is 100, therefore revenue for each unit would be 100 * x

However:

profit = revenue - cost

p (x) = 100 * x - 20 * x - 0.25 * x ^ 2

for the maximum value profit we must derive and equal 0:

p '(x) = 100 - 20 - 0.5 * x

0 = 80 - 0.5 * x

0.5 * x = 80

x = 80 / 0.5

x = 160

Therefore, the maximum profit occurs when there are 160 units, replacing we have:

p (x) = 100 * 160 - 20 * 160 - 0.25 * 160 ^ 2

p (x) = 6400

that is to say that the $ 6400 is the maximum profit.

4 0
3 years ago
What is the next step?
yanalaym [24]

Answer: Subtract

Step-by-step explanation: Subtract 237 from 224.

5 0
2 years ago
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