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2 years ago

HELP! WILL GIVE BRAINLEST!

Mathematics

1 answer:

Inessa [10]2 years ago

3 0

Answer:

210, 330

Step-by-step explanation:

we know that the angle 30 gives the value of 1/2

so, since we know that sin is negative in both the third and the fourth quadrant, we can find the answer.

make sure to ask if you need any further guidance. :)

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In a certain year, the average e-mail user sent or received 114 e-mails each day. The number of e-mails received was 6 more then

Tems11 [23]

Answer:

78 emails

Step-by-step explanation:

Given

Represent sent emails with x and received with y.

So, we have:

$x + y = 114$ -- First statement

$y = 6 + 2x$ -- Second statement

Required

Determine the number of emails received (y)

Make x the subject in $x + y = 114$

$x = 114 - y$

Substitute 114 - y for x in $y = 6 + 2x$

$y = 6 + 2(114 - y)$

Open bracket

$y = 6 + 228 - 2y$

Collect Like Terms

$2y+y = 6 + 228$

$3y = 234$

Divide by 3

$y = 234/3$

$y = 78$

7 0

3 years ago

Find the area of a rectangular garden that has a width of 4x−6 and a length of 2x+4.

vova2212 [387]

Answer:

8x^2+4x-24

Step-by-step explanation:

A=LW

(4x-6)(2x+4)

8x^2-12x+16x-24

8x^2+4x-24

4 0

4 years ago

∠A=8x+6 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 8, x, plus, 6, degrees, end color #11ac

zvonat [6]

Answer:

$x = 8$

$B = 70$

Step-by-step explanation:

Given

$A = 8x + 6$

$B = 4x + 38$

Require

Determine x and <B

Missing in the question: A and B are vertical angles

For vertical angles A and B,

$A = B$

Substitute values for A and B

$8x + 6 = 4x + 38$

Collect Like Terms

$8x - 4x = 38 - 6$

$4x = 32$

Solve for x

$x = 32/4$

$x = 8$

To solve for B, substitute 8 for x in $B = 4x + 38$

$B = 4 * 8 + 38$

$B = 32 + 38$

$B = 70$

8 0

3 years ago

Read 2 more answers

HELP ME PLZZZ HURRY PLZ

tresset_1 [31]

It's letter C .

Hope this help :)

5 0

3 years ago

Read 2 more answers

I do not know how to do graphs, if you could help that would mean a lot!

azamat

Answer:

x usually goes on the x axis whereas y or the answer u can choose goes on y

Step-by-step explanation:

3 0

3 years ago