Mathematics High School

What is the product?
(9t - 4)(-9 t - 4)

negative 81 t squared minus 16
negative 81 t squared + 16
negative 81 t squared minus 72 t + 16
negative 81 t squared + 72 t + 16

Answers

Answer 1
Negative 81t squared + 16

hope this helps!!
Answer 2

Answer:

The product is  -81 t² + 16

Step-by-step explanation:

The product of two binomials (ax + b)(cx + d), where a, b, c, and d are constant

Multiply (ax) by (cx) ⇒ 1st × 1st

Multiply (ax) by (d) and (b) by (cx) ⇒ ext-reams and nears

Add the two products ⇒ like terms

Multiply (b) by (d) ⇒ 2nd × 2nd

Let us find the product of (9 t - 4) and (-9 t - 4)

Multiply the 1st two terms

∵ (9 t)(-9 t) = -81 t²

Multiply the ext-reams

∵ (9 t)(-4) = -36 t

Multiply the nears

∵ (-4)(-9 t) = 36 t

Add the like terms

∵ -36 t + 36 t = 0

Multiply the 2nd two terms

∵ (-4)(-4) = 16

Write the answer

∴ (9 t - 4)(-9 t - 4) = -81 t² + 0 + 16

∴ (9 t - 4)(-9 t - 4) = -81 t² + 16

The product is  -81 t² + 16

Related Questions

The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inches.

If the area of the rectangle is 22 square inches, what is the value of the unknown number?

Answers

Given:

Short sides of a rectangle = 2 inches.

Area of the rectangle = 22 square inches.

The long sides of the same rectangle are three less than an unknown number of inches.

To find:

The unknown number.

Solution:

Let x be the unknown number. Then the longer side of the rectangle is (x-3) inches.

We know that the area of a rectangle is

[tex]A=length\times width[/tex]

The area of the rectangle is 22 square inches.

[tex]22=2(x-3)[/tex]

Divide both sides by 2.

[tex]11=x-3[/tex]

Add 3 on both sides.

[tex]11+3=x-3+3[/tex]

[tex]14=x[/tex]

Therefore, the value of the unknown number is 14.

I will give brainliest, I just need to see if my answer I wrote down was correct

Answers

Answer:

143m

Step-by-step explanation:

Calculate the distance Katie rides her bike if she rides 7/10 mile each day for 9 days?

Answers

Answer:

6.3 miles

Step-by-step explanation:

7/10 = 0.7

0.7 x 9 = 6.3 miles after 9 days

The distance Katie rides her bike if she rides 7/10 mile each day for 9 days is 6.3 miles.

What is Distance ?

Distance is the total movement of an object without any regard to direction.

We can define distance as to how much ground an object has covered despite its starting or ending point

Katie rides her bike 7/10 mile each day for 9 days

In 1 day she covers a distance of 0.7 mile

so in 9 days she will cover

=0.7 * 9

= 6.3 miles

Therefore the distance Katie rides her bike if she rides 7/10 mile each day for 9 days is 6.3 miles.

To know more about Distance

https://brainly.com/question/15172156

#SPJ2

Please Help! Evaluate this expression 10.82-9.99

A. 0.53

B. 0.83

C. 1.01

D. 1.23

Answers

0.53 hope that helps!!

one Sunday, number of visitors of a zoo was 840. on Monday, the number of visitors is decreased to 420, by what percentage was it decreased ?​

Answers

Answer:

half   or   50%

Step-by-step explanation:

Solve: 6 divided by 1/6

Answers

Answer:

0.1 I think

Step-by-step explanation:

Loren made a scale map of his football field to prepare for the big game. The length
of the football field on his map was 3 in. In reality the football field is 100 yards long.
What is the scale factor?

Answers

Answer:

1200

Step-by-step explanation:

brainliest please :D

if m<AFC= 150°, what is m<CFD​

Answers

Answer:

30

Step-by-step explanation:

These are djacent angles ( two angles that have the same vertex, share a side, and do not overlap)  The 2 angles  form a  linear pair           The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

If one angle is 150 then the other angle must be 30

150+30 = 180

Please I need help give you brainlist rate you heart you lol
I

Answers

Answer:

Y=1.50

Step-by-step explanation:

For the graph chart the x as the table says and the y as 1.50 for one then keep adding 1.50 for the others

1) 4x1.50= 6.00

2)5.00/1.50= 3 and 1/3

The average mother's, father's, and son's age is 28 years. The average mother's and son's age is 23 years. The average father's and son's age is 25 years. What is the son's age?

Answers

Answer:  son is 12 years old

Step-by-step explanation:

Let m be the age of mother, f be the age of father, and s be the age of son.

m + f + s = 28 x 3 = 84

m + son = 23 x 2 = 46

f + s = 25 x 2 = 50

m = 46 - s

f = 50 - s

we plug in m and f to the functions.

we get 46 - s + 50 - s + s = 84  

96 - s = 84  

-s = -12  

s = 12 years old

The Diamond Rule says two factors, m and n, must multiply to get to the top number and add to get to the bottom number. What are the possible values for m and n?

-8 and -3

8 and -3

4 and -6

-4 and 6

-8 and 3

-4 and -6 ​

Answers

4 and -6 because 4 times -6 equals -24 and if you add 4 and -6 the you get -2

Help plz I have time and I need to show work

Answers

21 I think but I was just guessing

The graph models the value of a vehicle over x years following its purchase for $25,000.
Which interpretation is correct?
(A) The asymptote indicates that the original value of the vehicle approached $25,000

(B) The point (40, 0) contains the x-intercept

(C) The line x=25,000 is an asymptote of the graph

(D)The line y=0 is an asymptote of the graph

Answers

Answer: it’s D. I took the test

The correct  interpretation are,

The asymptote indicates that the original value of the vehicle approached $25,000

The line y=0 is an asymptote of the graph

Graph of function:

From the given graph,

It is observed that graph is never intersect the x- axis. Therefore, x-axis will be the asymptote.

The equation of x- axis is y= 0.

Since at x= 0, the value of y = 25,000 , It means that  the original value of the vehicle approached $25,000.

The x- intercept is the point where graph crosses the x-axis.

Learn more about the asymptote of graph here:

https://brainly.com/question/1851758

PLease i need answer.
2x²-2x+3x²-3=0
The equation is equal to the equation

Answers

Step-by-step explanation:

this answer is so important if you know

Another one is x1=-3/5 , x2=1 and alternative form is x1=-3/5 , x2=1

PLEASEEEE HELPPPP ME WITH THIS QUESTION.

Answers

Answer:

Step-by-step explanation:

At the amusement park, Laura paid $6.00 for small cotton candy. Her older brother works at the park, and he told her they mark up the cotton candy by 300%. What is the price of the cotton candy before the markup?

Answers

$2 because 6/%300= 2
I think it’s $2 dollars sorry if I’m wrong

Solve for x round to the nearest tenth
29 X 55
o41.5
o41,4
o20,3
o20.4​

Answers

Answer:

20.306≈ 20.3

Step-by-step explanation:

Use substitution to find the solutions to the systems.

Answers

Answer:

NOCC CD REDSA  DFRESB BGF  DDDFGFDSDF

Step-by-step explanation:

Okay you can set them equal to each other...

5.) y = x^2-7x+4; y = x-3
x-3 = x^2-7x+4
x^2-8x+4 = 0
(x-1) (x-7)
x = 1, 7

6.) y = x^2-5x+10; y = 2x^2-6x+4
x^2-5x+10 = 2x^2-6x+4
x^2-x-6 = 0
(x-3)(x+2)
x = 3, -2

katrina stills need to chop? cups of onions

Answers

Answer:

I HATE ONIONS

Step-by-step explanation:

Answer:

yea

Step-by-step explanation:

because the onions are still in cups btw I dont think is a question

what is the range of g?

Answers

Answer:

B.

Step-by-step explanation:

The values for g(x) divert after the point -1.

So, the values are going to be equal or greater than -1.

Find the value of x. Round your answer to the nearest tenth

Answers

Answer:

64.01

Step-by-step explanation:

tan∅= p/b

tan58= x/40

or, x= 40×tan58

x = 64.01

Please answer this quickly

Answers

9. I’m pretty sure is 0 degrees

10. I’m pretty sure it’s a binomial

Hope this helps!!
Btw: I’m in Alg. 1 rn, and it seems like u r too, if u ever wanna work together I’d be happy to help, if not, thats cool too, have a great day!!

Solve 5(2–m)-3(4 – 2m) = 20

Answers

Step-by-step explanation:

5(2–m)-3(4 – 2m) = 20

10-5m-12+6m=20

m=22

hope it helps

answer

m =22

solution

5(2-m)-3(4-2m)=20

10-5m-12 +6m=20

-2+m =20

m= 20+2

m =22

Farmer john's son built a track to walk his pet pig. The track goes around the rectangular pig pen. The pig pen is 15 ft long and 21 ft wide, if the pig walks all the way around the track,how many feet did he walk? A.36 B.72 C.144 D.315

Answers

Answer: (b)

Step-by-step explanation:

Given

dimension of Pig pen is [tex]l=15\ ft[/tex]

width [tex]w=21\ ft[/tex]

Pig walks around the perimeter

and perimeter of the rectangular area is  [tex]2(l+w)[/tex]

Pig walks

[tex]P=2(15+21)\\P=2\times 36=72\ ft[/tex]


What values of x and y make BCD ~UST?

Answers

Step-by-step explanation:

c a

Hiiioo can someone please help!❤️❤️❤️:)

Answers

I think the answer is 6

The volume of a number cube is 27 cm2. What is the length of each side of the cube?

Answers

[tex]{ \sf{ \blue{volume \: of \: cube = 27 {cm}^{3}}} } \\ \\ { \underline{ \sf{ \green{volume = {(side)}^{3}}}}} \\ \\ { \sf{ \blue{ side = \sqrt[3]{27}}}} \: ={ \sf{ 3 \: cm}}[/tex]

June was thinking of a number, she halves it and gets an answer of 24.3. What was the original number?

Answers

x:2=24.3
x=24.3 • 2
x=48.6
Answer is 48.6

Gavin is measuring strips of craft wood for a geometry project. He needs 42 feet of wood. He has 11 23 yards. How many more yards of wood does he need?

Answers

Answer:

2 1/3 yards

Step-by-step explanation:

Total length of wood needed = 42 feet

Convert feet to yards

1 feet = 0.333333 yards

42 feet = 14 yards

He has 11 2/3 yards.

How many more yards of wood does he need?

= 14 yards - 11 2/3 yards

= 14 - 35/3

= (42-35)/3

= 7/3

= 2 1/3 yards

He needs 2 1/3 yards more yards of wood

what % of $4 = $1
Please hurry​

Answers

Answer:

25%

Step-by-step explanation:

The answer is 25%

hope that is right..

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