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borishaifa [10]
3 years ago
13

The width of a rectangle is 2x ^2 +9x -7 and length is x^2 -9

Mathematics
1 answer:
lesantik [10]3 years ago
7 0

Answer:

63 - 81x - 25x² + 9x³ + 2x⁴

Step-by-step explanation:

Multiply the two polynomials to arrive at your answer I guess, since this was not specific enough.

I am joyous to assist you anytime.

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Please help first answer will be marked brainiest
Tresset [83]

Answer:

6x

Step-by-step explanation:

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5 0
3 years ago
Please help me with this it is hard for me but not for my seniors First person with correct answer gets Brainliest answer.
kifflom [539]

Answer:

Step-by-step explanation:

a. 2x + 36

2. 6a + 15b

3. 35x + 15y

4. 3p + 2q

5. 3a + 8

3 0
2 years ago
Genuinely confused, how would you solve this? (will mark for brainliest!!)
Yanka [14]

Answer:

Length of the bold sector: 40.3ft

Area of the bold sector: 282.08

Step-by-step explanation:

Finding the sector length: Assuming that pi=3.14, the diameter is 87.92 ft. The ratio of the bold section to the whole circumference is 165 to 360. So you need to multiply the circumference by the ratio. (87.92 x 165)/360=40.3

Finding the sector area: Assuming that pi=3.14, the area of the circle is 615.44 sq. ft. The ratio of the sector area to the area of the whole circle is 165:360. (615.44 x 165)/360=282.08, rounded to the nearest 100th.

3 0
3 years ago
What is the tenth term in the sequence 9, 13, 17, 21, 25…?
Zinaida [17]

Answer:

45

Step-by-step explanation:

9, 13, 17, 21, 25

We are adding 4 each time

9+4 = 13

13+4 =17

17+4 = 21

The common difference =4

a1 = 9

The formula is

an = a1+d(n-1) where n is the term number

an = 9+4(n-1)

We want the 10th term

a10 = 9+4(10-1)

     = 9+4(9)

    = 9+36

   = 45

6 0
3 years ago
What is the solution to the system x+ y =4 and 2x - y = -1
Lostsunrise [7]

Answer:

Step-by-step explanation:

hello :

the system is :  x+ y =4 ...(*)

                       2x - y = -1...(**)

add(*) and (**) : 3x=3    so : x=1

put this value into (*) : 1+y=4     so : y=3

one solution : (1 , 3)

4 0
3 years ago
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