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ale4655 [162]
3 years ago
7

Coefficient of x^2(px^2+4x+r)×(4x^2-3qx-5)​

Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0

Step-by-step explanation:

left side of the expression has an x^2 term, x term and constant(x^0 term), same for the right side of the expression

x^2 coefficient = p(-5) + 4(-3qx) = -5p -12qx

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What is the least common denominator of the expression below? x2 + 6 x2 + 4x − 12 + 7x x2 + 7x + 6?
love history [14]
If your denominators are
  x² + 4x - 12 = (x +6)(x -2)
and
  x² + 7x + 6 = (x +6)(x +1)
Then the common denominator is the product of unique factors:
  (x +6)(x +1)(x -2)
4 0
4 years ago
chu vi của một hình chữ nhật là 240 cm. Tính diện tích hình chữ nhật đó, biết tỉ số độ dài hai cạnh là 5 và 7
ch4aika [34]
(-) Tỉ số độ dài 2 cạnh là 5 và 7
=> Chiều rộng = 5:12, chiều dài = 7:12
(-) Chu vi = 240 suy ra tổng chiều dài + chiều rộng = 240 : 2 = 120
(-) Chiều rộng = 120 x 5 : 12 = 50
Chiều dài = 120 x 7 : 12 = 70
(-) Diện tích = 50 x 70 = 3500
4 0
3 years ago
In a recent survey, 80% of those surveyed indicated that they preferred swimming to biking. Part 1 : If 352 people preferred swi
sladkih [1.3K]

Answer: 88

Step-by-step explanation: The equation us .8x=352 and 352/.8 is 440, which is the total. Multiply 440 by .2 which gives you 88

4 0
3 years ago
Read 2 more answers
Have no idea how to answer this, please help :(
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

a) perimeter = 8x + 3 + 5 + 7x + 4

b) perimeter = 15x + 12

5 0
3 years ago
Solve the proportion.<br> 10<br> 35<br> 10 + x<br> 56<br> x = [?]
Vadim26 [7]

Answer:

x = 6

Step-by-step explanation:

cross-multiply:

10(56) = 35(10+x)

560 = 350+35x

210 = 35x

x = 6

5 0
3 years ago
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