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2 years ago

G(x)=4x^2+1 What’s the answer

Mathematics

1 answer:

densk [106]2 years ago

4 0

257
explanation 4x4x4x4+1

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Complete the identity

spin [16.1K]

Answer: $cos(\pi-x)=-cos(x)$

Step-by-step explanation:

We need to apply the following identity:

$cos(A - B) = cos A*cos B + sinA*sin B$

Then, applying this, you know that for $cos(\pi-x)$ :

$cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$

We need to remember that:

$cos(\pi)=-1$ and $sin(\pi)=0$

Therefore, we need to substitute these values into $cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$ .

Then, you get:

$cos(\pi-x)=(-1)*cos(x)+0*sin(x)$

$cos(\pi-x)=-1cos(x)+0$

$cos(\pi-x)=-cos(x)$

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3 years ago

Translate the equation 49 is what percent of 66?

mamaluj [8]

Answer:

49 ÷ 66 × 100= x

Step-by-step explanation:

5 0

1 year ago

I need help with this please

alexdok [17]

Answer:

polygons

Step-by-step explanation:

this is a hexagon so the sum of interior angles is 720. so add all of those angles and expressions and set it equal to 720. collect like terms and solve for x

once you have x, evaluate and get the exact angle measurements.

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2 years ago

What is the distance between -12 and 3

lesantik [10]

15 units because I need to have

3 0

3 years ago

Plz help me i did it but messed up some ware plz help . 5x5=4x5+9=

Lyrx [107]

Answer: 25=29

Step-by-step explanation:5x5=25

4x5+9=29

5 0

3 years ago

Read 2 more answers