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SashulF [63]
3 years ago
15

PLZ help I am confusion. Math is hard

Mathematics
2 answers:
Andrej [43]3 years ago
8 0

Answer:

It is C I am good at math

Step-by-step explanation:

Fiesta28 [93]3 years ago
7 0
The correct answer is C.
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What is the value of the expression below when z<br> 8 and w<br> 3?<br> 9z-8w
Gnesinka [82]

Answer:

48

Step-by-step explanation:

1) 9*8=72

2) 8*3=24

3)72-24=48

5 0
3 years ago
(05.03)
iren [92.7K]

x=2

1:Subtract 2x from both sides.

2:Combine 2/3 x and -2x to get -4/3

3:Subtract 3/8 from both sides. Anything subtracted from zero gives its negation.

4:Multiply both sides by -3/4,the reciprocal of -4/3

5:Multiply − 3/8 ​ times − 4/ 3 ​ by multiplying numerator times numerator and denominator times denominator.

6:Do the multiplications in the fraction −8(−3) over 3x4.

x=24/12

Divide 24 by 12 to get 2.

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2 years ago
(5 pts) A quadratic function f is given by f(x) = ax2 + bx + c where a is not 0. Select all
Vsevolod [243]

Answers:

  • a) True. Plug in x = 0 and it leads to y = c. Therefore, the point (0,c) is on the parabola.
  • b) False. Plug in y = 0 and apply the quadratic formula. One x intercept may sometimes be x = c, but it could easily be other values as well. Or perhaps you may not get any real number solutions at all. See part d) below.
  • c) True. If a < 0, then the leading coefficient is negative. Overall, both endpoints will tend toward negative infinity to produce a parabola that opens downward.
  • d) False. The quadratic may have one x intercept or it may not have any x intercepts at all. It depends on what the discriminant d = b^2 - 4ac is equal to. If d < 0, then we have no x intercepts. If d = 0, then we have exactly 1 x intercept. If d > 0, then we have two different x intercepts.
  • e) True. The vertex's x coordinate is -b/(2a). If b = 0, then the x coordinate of the vertex is 0. The vertical line x = 0 is directly on top of the y axis.
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3 years ago
The students in Ms. Dodd's class recorded the height in feet of palm trees on school property. Their heights were as follows:
dlinn [17]

Answer:

B

Step-by-step explanation:

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2 years ago
Does anyone know the answer for both of these
ASHA 777 [7]
19 is 13 and 20 is 22
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3 years ago
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