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Nata [24]
3 years ago
14

PLEASE HELP! I need this fast!

Mathematics
2 answers:
Valentin [98]3 years ago
8 0

Answer:

True.

Step-by-step explanation:

The quadratic equation y=2(x+3)^2-1, is in fact written in vertex form.

Vertex Form = y=a(x-h)^2+k

a=amplitude

h=horizontal shift

k=vertical shift

jeka943 years ago
6 0

Answer:

Yes

Step-by-step explanation:

vertex form is y=a(x-h)^2+k

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kobusy [5.1K]
(3^2)^-2
9
9^-2 = 1/9^2 ---> 1/81
should be 1/81
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3 years ago
Year 10
mylen [45]

Answer:

=3x³+2x²−27x−18

Step-by-step explanation:

(x+3)(x−3)(3x+2)

=((x+3)(x−3))(3x+2)

=((x+3)(x−3))(3x)+((x+3)(x−3))(2)

=3x³−27x+2x²−18

=3x³+2x²−27x−18

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3 years ago
Find the distance travelled (in meters) in the following.<br> at speed of 14m/s for 1 hour
Charra [1.4K]

Answer:

50400m

Step-by-step explanation:

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3 0
3 years ago
The triangles ABC and DFG are similar and the ratio of their corresponding sides is 6:5. The area of the triangle ABC is greater
Naya [18.7K]

Answer:

The Area of Δ DFG is 175 cm²

The Area of Δ ABC is 252 cm²

Step-by-step explanation:

Given as :

The Δ ABC is similar to the Δ DFG

The area of the triangle ABC is greater than the area of the triangle DFG by 77 cm²

Let The area of  Δ DFG = x cm²

So, The area of  Δ ABC = ( 77 + x ) cm²

The ratio of corresponding sides of  Δ ABC and  Δ DEF = 6 : 5

Let The side AB = 6 y

And The side DE = 5 y

Now,<u> from The property of similar Triangles</u>

\dfrac{area ABC}{area DFG}=\dfrac{AB^{2} }{DE^{2} }

I.e \dfrac{77+x}{x} = \dfrac{(6 y)^{2} }{(5y)^{2} }

Or, \dfrac{77+x}{x} = \dfrac{36}{25}

Or, 25 × (77 + x ) = 36 x

Or,  25 × 77 + 25 x = 36 x

Or,  25 × 77 = 36 x - 25 x

Or, 11 x =  25 × 77

∴  x = \frac{25\times 77}{11}

I.e x = 175 cm²

So,The Area of Δ DFG = x  = 175 cm²

And The Area of Δ ABC = x + 77  = 175 + 77  = 252 cm²

Hence, The Area of Δ DFG is 175 cm²

And The Area of Δ ABC is 252 cm²    Answer

4 0
3 years ago
What is the no solution answer 7−5+3x−1=
PolarNik [594]

Answer:

-1

Step-by-step explanation:

1. 3x-1

2. -5+-3

3.7-8

4.=-1

7 0
3 years ago
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