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IrinaK [193]
3 years ago
6

Find m ABC (2x+14) (x+7) ​

Mathematics
2 answers:
Orlov [11]3 years ago
6 0

Answer:

Last option 30°

damm sure about it

Step-by-step explanation:

value of x is 23 but value of Angle ABC will be x +7 i.e. 30

marin [14]3 years ago
6 0

Answer:

30

Step-by-step explanation:

∠ABC + ∠CBD = 90°

x + 7 + 2x + 14 = 90°

<u>x + 2x</u>   <u>+ 7 + 14</u> = 90

3x + 21 = 90

Subtract 21 from both sides

3x = 90 - 21

3x = 69

Divide both sides by 3

x = 69/3

x = 23

∠ABC = x + 7

         = 23 + 7

         = 30

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2. y = 5x2 + 10x – 3
Mice21 [21]

Answer:

x= -7/10 or x= -0.7 , y= 7

Step-by-step explanation:

Find the x-intercept:                  Find the y-intercept:

y= 5×2+10x-3                                y= 5×2+10x-3  

0=10+10x-3                                    y= 5×2+10×0-3

0=7+10x                                         y= 7

-10x=7

x=-7/10

8 0
3 years ago
A ball is thrown straight up from the top of a tower that is 280 ft high with an initial velocity of 48 ft/s. The height of the
attashe74 [19]

ATTACHED is the written out response.  

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7 0
3 years ago
Solve for y <br> 6x - 2y = 12<br> A. y= -3x + 6<br> B. y= 3x - 6<br> C. -3x + 6<br> D. -3x - 6
ololo11 [35]
The answer is y=3x-6. (B). First you subtract 6x from both sides. Then you get -2y=12-6x. Now, you divide both sides by -2. This gets you the final answer; y=3x-6 or y=-6+3x.
5 0
3 years ago
Read 2 more answers
Write y= -3/4 x-6 in standard form using integers.
alexgriva [62]

Answer:

3x + 4y = -24.

Step-by-step explanation:

y= -3/4 x-6

Multiply through by 4:

4y = -3x - 24

3x + 4y = -24.

3 0
3 years ago
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stellarik [79]
The answer would be 28.
6 0
3 years ago
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