All categories

2 years ago

Hey can you help me I'll mark brainlist (if correct)

Mathematics

2 answers:

elena55 [62]2 years ago

7 0

Answer:

C: 246

Step-by-step explanation:

7 (2 + 4)² - 3 (2) = 7 (6²) - 6 = 7 (36) - 6 = 252 - 6 = 246

ehidna [41]2 years ago

6 0

Answer: D

Step-by-step explanation:

7×6^2 −3x

7×36−3x

which is 252-3x

You might be interested in

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

2 years ago

I’ll give you a lot of points for this

ivann1987 [24]

Answer:

2. (3,4)

Step-by-step explanation:

4 0

1 year ago

Read 2 more answers

Estimate <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B80%7D%20" id="TexFormula1" title=" \sqrt{80} " alt=" \sqrt{80} " ali

Tamiku [17]

Answer:

8.9

Step-by-step explanation:

Convert √ 80 to a decimal.

8.9442719

Find the number in the tenth place 9 and look one place to the right for the rounding digit 4 . Round up if this number is greater than or equal to 5 and round down if it is less than 5 .

8 0

3 years ago

What is the solution for x in the equation?

navik [9.2K]

Step-by-step explanation:

option C

hope it helps

thank you

3 0

2 years ago

Whats the answer ?????

wolverine [178]

46.06 would be the answer

7 0

2 years ago

Read 2 more answers

Hey can you help me I'll mark brainlist (if correct)​

Hey can you help me I'll mark brainlist (if correct)