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3 years ago

6

Which expression is equivalent to 8x – 2y + x + 2?

1 answer:

Komok [63]3 years ago

7 0

Answer:

D

Step-by-step explanation:

To find this out, we have to simplify the expression 8x-2y+x+2, so using PEMDAS, we can figure out that the first step here would be addition.

Combining like terms, we add (8x+x), which leaves the expression like this: 9x-2y+2.

So in conclusion, I have no idea what this would be since you can't simplify any more. My guess would be D, because that's closest, but you can't get rid of the 2, or the x or y terms without more information.

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Pls help I don’t understand this question very well

kiruha [24]

Answer:

$CD = 12.6866616739cm$

$CD \approx12.7cm$

Step-by-step explanation:

$CB = a$

$AB = b$

$AC = c$

${c}^{2} = {a}^{2} + {b}^{2}$

${a}^{2} = {c}^{2} - {b}^{2}$

$a = \sqrt{ {c}^{2} - {b}^{2} }$

$a = \sqrt{ {12}^{2} - {6}^{2} }$

$a = \sqrt{144 - 36}$

$a = \sqrt{108}$

$CB = \sqrt{108}$

$\sin(D) = \frac{opposite}{hypotenuse}$

$\sin(D) = \frac{CB}{CD}$

$\sin(55) = \frac{ \sqrt{108} }{CD}$

$(CD) \sin(55) = \frac{ \sqrt{108} }{CD} (CD)$

$(CD) \sin(55) = \sqrt{108}$

$\frac{(CD) \sin(55) }{ \sin(55) } = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = 12.6866616739cm$

$CD \approx12.7cm$

6 0

3 years ago

Can someone please help?

Masja [62]

Wish I could but forgot man sorry

7 0

4 years ago

There are 10 girls and 8 boys in Mr Augello's class

poizon [28]

Whats the rest of the question

7 0

3 years ago

Read 2 more answers

Need help please brainliest and 50 points

irina [24]

The slope is 2/-2, so -1. The y-intercept is 2. So, y=-x+2

8 0

3 years ago

The space provided.

gtnhenbr [62]

The answer is 488 sq cm.

rectangle:

A=lw
A=(22)(17)
A=374

triangle:
A=(1/2)bh
A=(1/2)(19)(22-10)
A=(1/2)(19)(12)
A=(1/2)228
A=114

rectangle + triangle:
374 + 114 = 488

5 0

3 years ago