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BlackZzzverrR [31]
3 years ago
13

Which of the following are the factors of t4 – 81? A. (t – 3)(t + 3)(t2 + 9) B. (t – 3)2(t + 3)2 C. (t – 3)(t + 3)2 D. (t2 – 9)(

t2 – 9)
Mathematics
2 answers:
Sedbober [7]3 years ago
7 0
The answer is letter D
Naddika [18.5K]3 years ago
5 0
I am pretty sure the factors of t4 - 81 is D
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37.8 rounded to the nearest whole number
Veseljchak [2.6K]
37.8 rounded to the nearest whole number = 38
8 0
3 years ago
Marta is making a scale drawing of her apartment for a school project. The apartment is 28ft wide. On her drawing, the apartment
ivolga24 [154]

Answer:

<h2>The scale is 1 inch rep 4 feet or </h2><h2>1:4</h2>

Step-by-step explanation:

This problem is on ratios, the ratio of one quantity to another is a way to represent their relative size.

Moreso, the scale of a drawing tells us to what extent the drawing has been increased (maximized) or decresed (minimized)

now given that the actual dimention of the appartmentis 28ft wide

and on the drawing the apartment is 7 inches wide, we can see that the actual dimension has been reduced by a factor of 28/7= 4

hence the scale to represent this reduction is

1 inch to represent 4 feet

7 0
3 years ago
Solve for f <br> 0.3=0.5f-0.7
erastovalidia [21]

Answer:

f=2

Step-by-step explanation:

0.3+0.5f-0.7

Move the varibale (0.5f) to the left-hand side and change it's sign to negative.

-0.5+0.3+-0.7

Move the constant to the right hand side and change it's sign

-0.5f=-0.7-0.3

Calulate the differnce

-0.5f=-1

divide both sides by -0.5

F=2

7 0
3 years ago
Noah plays football. His team's goal is to score
OleMash [197]

Answer:

No

Step-by-step explanation:

We can plug in the ordered pair (6,-1) into the equation. Remember that 6 is the x coordinate therefore we plug it in for x and that -1 is the y coordinate so we should plug it in for y.

6x+3y=6(6)+3(-1)=36-3=33

Since 33 is not equivalent to 15, (6, -1) is not a solution to the equation.

3 0
2 years ago
How do you simplify the expression 7 - 2(2 + 5) -8?
krek1111 [17]
7 - 2 (7) -8
7 - 14 - 8
7-14= -7
-7 - 8 = - 15
May have messed this one up
7 0
4 years ago
Read 2 more answers
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