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blondinia [14]
2 years ago
7

Please answer this really fast.

Mathematics
2 answers:
solniwko [45]2 years ago
8 0

Answer:2x(3-1) +3(3x-1)

6x^2 -2x+9x-3

6x^2+7x-3

a=6 b=7 c=3

product (x)=6x7x-3=-126

dolphi86 [110]2 years ago
4 0

Answer:

abc = - 126

Step-by-step explanation:

(2x + 3)(3x - 1) ← expand product using FOIL

= 6x² + 7x - 3 ← in standard form

with a = 6, b = 7, c = - 3

Then

abc = 6 × 7 × (- 3) = - 126

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Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Find the mean and median for each of
gulaghasi [49]

Answer:

Male: Median: 64.5 and the mean is 70.6

Female: median: 83 and mean is: 79.93

Step-by-step explanation:

For median, you place all of the numbers from lowest to highest, and then find the number in the middle.

For Mean, add up all the numbers, then divide by the amount of numbers there.

For example.

30/5= 6

3 0
2 years ago
Write a linear function f with the values f (0) =4 and f(3)=-8
Darya [45]

Answer:

Answer:

f(x) = - 4x + 4

Step-by-step explanation:

Step-by-step explanation:

A linear function has the form

f(x) = ax + b, thus

f(0) = a(0) + b = 4, that is

0 + b = 4 , hence b = 4

f(3) = 3a + b = - 8 ← substitute b = 4

3a + 4 = - 8 ( subtract 4 from both sides )

3a = - 12 ( divide both sides by 3 )

a = - 4, thus

f(x) = - 4x + 4

8 0
3 years ago
3x + 3y =15 and x = -3y -1
saul85 [17]

Answer:

  (x, y) = (8, -3)

Step-by-step explanation:

You can substitute for x in the first equation:

  3(-3y -1) +3y = 15

  -6y = 18 . . . . . add 3 and simplify

  y = -3 . . . . . . . divide by -6

  x = -3(-3) -1 = 8 . . . . find x using the second equation

The solution to this system of equations is (x, y) = (8, -3).

4 0
2 years ago
Will give brainliest
Mariana [72]

Answer: C) Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the HCF of 20 36 and 45??
tangare [24]

20=1×2×2×5=1×4×5

36=1×2×2×9=1×4×9

45=1×3×3×5=1×9×5[/tex]

  • HCF=1
6 0
3 years ago
Read 2 more answers
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