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Svetllana [295]
2 years ago
8

Match each polynomial expression to its additive inverse

Mathematics
2 answers:
Katena32 [7]2 years ago
7 0

Answer:

Heres an ss of the answers

Step-by-step explanation:

zvonat [6]2 years ago
6 0

Answer:

   (1, 2, 3, 4) matches (A, C, B, D)

Step-by-step explanation:

The additive inverse of a term is formed by changing the sign. The additive inverse of the polynomial is formed by changing the sign of every term.

If we call the expressions on the left (top-to-bottom) 1, 2, 3, 4, and those on the right A, B, C, D, then the match-up <em>in this presentation of the question</em> is ...

  1 - A

  2 - C

  3 - B

  4 - D

_____

YMMV if the expressions are mixed differently

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A train is traveling at a constant speed and has traveled 67.5 miles in the last 1 1/2 hours. Which equation shows the proportio
marishachu [46]

Answer:

The answer is B, d=45t

Step-by-step explanation:

i just did it and got it correct

hope it helps and good luck :)

8 0
2 years ago
Find the simple interest on $6000 from 16 May 2010 to 9 October 2010 at 10 percent per annum​
omeli [17]

Answer:

$240.02

Step-by-step explanation:

10% per year means "how much percent per day?"

We need to divide 10 by 365 since there are 365 days in a year. Hence,

\frac{10}{365}=0.0274

So, that is 0.0274% per day

In decimal, we have to divide this percentage by 100, so, that is:

0.0274/100 = 0.000274

Daily interest on the principal is thus the multiplication of this value with principal (6000), that is:

0.000274  * 6000 = 1.644

<u>For how many days??</u>

From 16 May till 9 October would be:

16 May - 31 May = 15 days

1 June - 30 June = 30 days

1 July - 31 July = 31 days

1 Aug - 31 Aug = 31 days

1 Sep - 30 Sep = 30 days

1 Oct - 9 Oct = 9 days

Total Days is  15 + 30 + 31 + 31 + 30 + 9 = 146 days

Thus, total simple interest for 146 days would be:

1.644 * 147 = $240.02

8 0
2 years ago
A statistics teacher was interested in the relationship between the number of days students waited to start a project and the sc
Fiesta28 [93]

Answer:

<em>A: For each increase in the number of procrastination days by 1, the predicted grade decreases by 3.64 points.</em>

Step-by-step explanation:

<u>The slope of a Regression Line</u>

A straight line can be represented in the slope-intercept form:

y = mx + b

Where m is the slope and b is the y-intercept.

The slope describes how fast and in what direction the graph goes when x changes values.

If m is positive, increments in x imply increments in y.

If m is negative, increments in x imply decrements in y.

The regression line is:

ŷ = –3.64x + 96.5

Where:

x = the number of procrastination days

ŷ = the predicted grade

We can say the slope is m=-3.64. This means that:

A: For each increase in the number of procrastination days by 1, the predicted grade decreases by 3.64 points.

5 0
2 years ago
Read 2 more answers
Quadrilaterals WXYZ and BADC are congruent. In addition, WX ≅ DC and XY ≅ BC. If AD = 4 cm and AB = 6 cm, what is the perimeter
Yanka [14]

If <u>quadrilaterals</u> WXYZ and BADC are <u>congruent</u>, then their corresponding <u>sides</u> are congruent.

Given that

  • WX≅DC,
  • XY≅BC,

you can state that

  • YZ≅AB,
  • WZ≅AD.

If AD = 4 cm and AB = 6 cm, then WZ = 4 cm and YZ = 6 cm. Opposite rectangle sides are congruent, then XY = 4 cm and WX = 6 cm.

The perimeter of WXYZ is

P = WX + XY + YZ + WZ = 6 + 4 + 6 + 4 = 20 cm.

Answer: 20 cm

6 0
2 years ago
Read 2 more answers
Lila collected the honey from 3 of her beehives.from the first hive she collected 2/3 gallon of honey.the last two hives yielded
Jobisdone [24]
11/12 of a gallon, you have to find the common denominator.

5 0
2 years ago
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