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SpyIntel [72]
3 years ago
8

DOES ANYONE KNOW THE ANSWER TO THIS?!

Mathematics
1 answer:
il63 [147K]3 years ago
5 0

oof oof oof oof oof oof

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PLEASE HELP I DONT UNDERSTAND!!
slega [8]

Answer:

see explanation

Step-by-step explanation:

3x and 144 are adjacent angles on a straight line and sum to 180°

3x + 144 = 180 ( subtract 144 from both sides )

3x = 36 ← value of 3x

divide both sides by 3

x = 12

and

2y - 5 and 95 are vertically opposite angles and are congruent, so

2y - 5 = 95 ← value of 2y - 5

add 5 to both sides

2y = 100 ( divide both sides by 2 )

y = 50

Then

x + y = 12 + 50 = 62

7 0
2 years ago
Read 2 more answers
Simplify the expression and explain each step.
Snowcat [4.5K]

Answer:

is the 3x a expression ill comment the awnser if is

Step-by-step explanation:

5 0
3 years ago
A designer is making a rectangular prism box with maximum volume, with the sum of its length, width, and height 8 in. The length
Sever21 [200]

Answer:

width = 1.8 in

length =   3.6 in

height =8-3w =8-3(1.8)= 2.6 in

Step-by-step explanation:

A designer is making a rectangular prism box with maximum volume, with the sum of its length, width, and height 8 in

Let l , w and h are the length , width and height

l +w+h=8\\l=2w

Plug it in the first equation

2w+w+h=8\\3w+h=8\\h=8-3w

volume the box is length times width times height

volume = (2w)(w)(8-3w)\\16w^2-6w^3

To get maximum volume we take derivatived

v'=32w-18w^2

set the derivative =0 and solve for w

0=32w-18w^2\\0=-2w(9w-16)\\w=0 , w= \frac{16}{9}

width = 1.8 in

length = 2w= 3.6 in

height =8-3w =8-3(1.8)= 2.6 in

6 0
3 years ago
Solve this problem and show all the step involved.If ad=12and ac=ay_36, find the value of y.Then find ac and DC
pochemuha

Answer:

y = 15

AC = 24

DC = 12

Step-by-step explanation:

Given

AD = 12

AC = 4y - 36

See attachment

Solving for y

From the attachment:

AD = DC

and

AC = AD + DC

Substitute DC for AD

AC = AD + AD

AC = 2AD

Substitute values for AD and AC

4y - 36= 2*12

4y - 36= 24

Collect Like Terms

4y = 36+ 24

4y = 60

Solve for y

y = 60/4

y = 15

AC = 4y - 36

AC = 4 * 15 - 36

AC = 24

AD = DC

DC = AD

DC = 12

8 0
3 years ago
1. (5x + 7) + (x + 2)​
sukhopar [10]

Answer:

its 6x+9

Step-by-step explanation:

8 0
3 years ago
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