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3 years ago

CAN SOMEONE PLEASE HELP ME????

Mathematics

1 answer:

pochemuha3 years ago

4 0

Answer:

$C.\{-4,-2,~0,~2,~4\}$

Step-by-step explanation:

$Greetings!$

$I'm~Isabelle~Williams~and~I~will~be~answering~your~question!$

$I~know~you~asked~for~only~the~domain,~but~just~in~case~I'll~type~down~the~range~\\too:$

$The~ domain ~is ~the ~set~ of~ all ~the~ values ~of ~x. ~The~ range~ is~ the~ set~ of~ all ~the ~values \\~of ~y.$

$Domain:\{-4,-2,~0,~2,~4\}$

$Range:\{-1,~1,~3,~0\}$

$Thus,~making~the~3^r^d~option~correct!$

$Hope~this~helps!~Have~an~amazing~day!$

$-Isabelle~Williams$

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Write an expression that represents the quantity 5 more than a number

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6+7 is that good i hope so

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3 years ago

Find the exact value of cos theta, given that sin thetaequalsStartFraction 15 Over 17 EndFraction and theta is in quadrant II.

vova2212 [387]

Answer:

$cos \theta = -\frac{8}{17}$

Step-by-step explanation:

For this case we know that:

$sin \theta = \frac{15}{17}$

And we want to find the value for $cos \theta$ , so then we can use the following basic identity:

$cos^2 \theta + sin^2 \theta =1$

And if we solve for $cos \theta$ we got:

$cos^2 \theta = 1- sin^2 \theta$

$cos \theta =\pm \sqrt{1-sin^2 \theta}$

And if we replace the value given we got:

$cos \theta =\pm \sqrt{1- (\frac{15}{17})^2}=\sqrt{\frac{64}{289}}=\frac{\sqrt{64}}{\sqrt{289}}=\frac{8}{17}$

For our case we know that the angle is on the II quadrant, and on this quadrant we know that the sine is positive but the cosine is negative so then the correct answer for this case would be:

$cos \theta = -\frac{8}{17}$

5 0

3 years ago

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Klio2033 [76]

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3 years ago

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frozen [14]

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3 years ago

9 3/10 - 5 3/4 as a mixed number in simplest form

Artemon [7]

Answer:

3 1/20

Step-by-step explanation:

First, we will convert the mixed numbers into improper fractions...

9 3/10 (9*10=90+3=93) so the improper fraction is 93/10

5 3/4 (5*4=20+3=23) therefore the improper fraction is 23/4

We then want to make the denominator the same...

93/10 (*4) = 372/40

23/4 (*10) = 230/40

We then put it into the question...

372/40 - 230/40 = 142/40

Lastly, we now need to turn this into a mixed number...

142/40=3.55 so the answer is 3 2/40

3 2/40 in it's simplest form is 3 1/20

Hope this helps!

6 0

3 years ago

Read 2 more answers