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ehidna [41]
3 years ago
12

Using quadratic formula to find the solution for y=3x^3+8x-1

Mathematics
1 answer:
andre [41]3 years ago
3 0
Y=-1

that’s the answer
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The graph of y=x^2 -7x+ 12 is a parabola with x-intercepts at
vesna_86 [32]

Answer:

<h2>x = 3 and x = 4 → (3, 0) and (4, 0)</h2>

Step-by-step explanation:

\text{x-intercept is for y = 0}.\\\\\text{We have the function:}\ y=x^2-7x+12.\\\\\text{Put y = 0 and calculate the value(s) of x.}\\\\x^2-7x+12=0\\\\x^2-3x-4x+12=0\\\\x(x-3)-4(x-3)=0\\\\(x-3)(x-4)=0\iff x-3=0\ \vee\ x-4=0\\\\x-3=0\qquad\text{add 3 to both sides}\\\boxed{x=3}\\\\x-4=0\qquad\text{add 4 to both sides}\\\boxed{x=4}

6 0
3 years ago
HELP!:
algol [13]

Answer:

she can  spend 3.00 dollar on he last chocolate

Step-by-step explanation:

14.00-3.00=11.00

11.00-5.00=6.00

6.00-2.00=4.00

4.00-1.00=3.00

8 0
3 years ago
Misha bought 9 new baseball trading cards to add to her collection. The next day
swat32
She started with 81 baseball cards.
7 0
2 years ago
Function or not a function
Shkiper50 [21]

Answer:

  • Not a function.

Step-by-step explanation:

<u>Functions have graphs or slopes.</u>

<u>This is not a function.</u>

<u>This is not on a graph or on a slope.</u>

Your answer is not a function.

7 0
3 years ago
13. Round to higher foot, then Solve for volume in cubic yards.
Elenna [48]

Answer:

V = 11.4 cubic yards

Step-by-step explanation:

1 foot = 12 inches

1 yard = 36 inches

1 cubic yard = 46656 cubic inches

change the given values to inches by multiplying by 12

Length = 10'8" , round to higher foot

Length = 11*12  =

Length = 132 inches

Width = 6'4", round to higher foot

Width = 7*12

Width = 84 inches

Depth = 4'

Depth = 4*12 = 48 inches

The volume V = length x width x depth = 132 x 84 x 48 = 532224 cubic inches

divide by 46656 get cubic yards

V = 11.4 cubic yards

7 0
3 years ago
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