3 years ago

Sketch he graph of:

4" align="absmiddle" class="latex-formula">
what does this mean?

Mathematics

1 answer:

Andreas93 [3]3 years ago

6 0

Answer:

(Hope this helps can I pls have brainlist (crown) ☺️)

Step-by-step explanation:

In pic

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Find all solutions to the equation. <br> cos^2 x +2cosx+1=0

Schach [20]

$x= \pi$

Step-by-step explanation:

$\cos^2x+\cos x+1=0$

Let $u= \cos x$

Then $u^2+2u+1=(u+1)^2=0$

$\cos x = -1$

This gives us $x= \pi$ or all integer multiples of $\pi (n \pi)$

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3 years ago

I need help with this I got -10 is it right??

Dahasolnce [82]

Answer:

-14

Step-by-step explanation:

difference between -20 and -5 = 15

15 x 2/5 = 30/5 = 6

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3 years ago

Evaluate the expression ab for a = 10 and b = 4.

xz_007 [3.2K]

A x B

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3 years ago

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statuscvo [17]

Answer: B) 2

Detailed Answer:

The degree of a polynomial is the highest power in the polynomial. Here the highest power is 2 hence the degree is 2. Polynomials with the degree 2 are also called quadratic polynomials.

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2 years ago

Slope of 9 passes through the point (-3,2)

boyakko [2]

Answer:

y-2=9(x+3)

Step-by-step explanation:

y-y1=m(x-x1)

y-2=9(x-(-3))

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3 years ago