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OleMash [197]
3 years ago
12

A student factors 10x2 + 3x – 27 to the following. (2x – 3)(5x + 9) Which statement about (2x – 3)(5x + 9) is true? The expressi

on is equivalent, and it is completely factored. The expression is equivalent, but it is not completely factored. The expression is not equivalent, but it is completely factored. The expression is not equivalent, and it is not completely factored.
Mathematics
2 answers:
77julia77 [94]3 years ago
7 0

Answer:

The answer is A

Step-by-step explanation:

A. The expression is equivalent, and it is completely factored.

Vikentia [17]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

The expression is equivalent, and it is completely factored.

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SOLVE PLEASE, FIND THE VALUE OF X! 7x/3+2=-15
nikklg [1K]

Answer:

{ \tt{ \frac{7x}{3} + 2 =  - 15 }} \\  \\ { \tt{ \frac{7x + 6}{3} =  - 15 }} \\  \\ { \tt{7x + 6 =  - 15 \times 3}} \\  \\ { \tt{7x + 6 =  - 45}} \\  \\ { \tt{7x =  - 45 - 6}} \\  \\ { \tt{7x =  - 51}} \\  \\ { \boxed{ \tt{x =  - 7.3}}}

8 0
2 years ago
Read 2 more answers
In order for Brady to earn a B in his biology course, his test scores must average at least 80%. On the first 5 tests, he has an
larisa [96]

Hey there! I'm happy to help!

There were 5 tests needed to make an average of 77. These numbers have to add up to 385 (77×5) because that is what you divide by 5 to find the average which is 77.

Now, we want to find an average of 80 with 6 numbers. We multiply 80 and 6, showing us that the sum of these 6 numbers must be 480. Since 5 of these numbers are the same as with the 77 average, we know that one test score (the one Brady needs to get) is added to 385 to give us 480.

480-385=95

Therefore, Brady needs to earn a 95% on the last test to receive a B in the class.

8 0
3 years ago
Find the area of trapezoid ABCD by decomposing it into a rectangle and triangle.
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Answer: C) 104 cm^2

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5 0
2 years ago
Construct a perpendicular to t through A<br> A
Inga [223]

The perpendicular line to line t is drawn below.

The two-line in which the angle between these two lines is 90° i.e. both are right angle to each other then two lines are perpendicular to each other.

Here the given point is point A.

and the line given is line t

we have to draw a line that should be perpendicular to line t.

Let that perpendicular line cut the line t at the point O.

OA ⊥ t

∠AOt= 90°

From above we can draw the line OA which is perpendicular to line t.

The picture is drawn below.

Learn more about the perpendicular lines

here: brainly.com/question/1202004

#SPJ10

5 0
1 year ago
Please help me answer this?
ANTONII [103]

Answer:

  $102

Step-by-step explanation:

The pay for the day of work is the total of morning hours worked and afternoon hours worked. In each case, the hours worked is the difference between the "Out" time and the "In" time.

  morning hours = 12:15 -8:15 = 4:00

  afternoon hours = 17:30 -13:00 = 4:30

  total hours worked = morning hours + afternoon hours

  total hours worked = 4:00 +4:30 = 8:30

This notation tells you (hours):(minutes). You know that 30 minutes is 1/2 hour, so the total time worked is 8 1/2 hours.

The pay is the product of the hours worked and the pay per hour:

  pay = (8 1/2 hours) × ($12 /hour) = $102

7 0
1 year ago
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