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Sidana [21]
3 years ago
5

Can someone please help me with this

Mathematics
1 answer:
lana [24]3 years ago
6 0

Answer:

3x-10+70°=180°(Supplementary angles)

3x+60°=180°

3x=180°-60°

3x=120°

3x/3 =120°/3

x=40°

Step-by-step explanation:

Hope that this is helpful.

Have a wonderful day.

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[2.4–(0.3–3.21)÷2+0.44÷(−2)]÷2/5
Vanyuwa [196]

Answer:

20

Tips:

Its easy math if its trouble use a caclulator

7 0
4 years ago
the revenue for the school play is given by: r=-50t^2 + 300t, where “t” is ticket price in dollars. The cost to produce the play
artcher [175]

ANSWER

$3

Or

$4

EXPLANATION

The revenue function is

r =  - 50 {t}^{2}  + 300t

The cost function is,

C=600-50t

In order to break even, revenue must be equal to cost.

600 - 50t= -50 {t}^{2}  + 300t

Group every term on the LHS.

50 {t}^{2}  - 300t - 50t + 600 = 0

50{t}^{2}  - 350t + 600 = 0

Divide through by 50.

{t}^{2}  - 7t + 12= 0

Factor to obtain,

(t - 3)(t - 4) = 0

t = 3 \: or \: t = 4

7 0
3 years ago
How to solve x to the second power = -28​
shtirl [24]
No solution for this answer
3 0
4 years ago
jada can write 3 1/4 pages in 8 minutes. At this rate, how many pages could jada write in 24 minutes?
makkiz [27]

Answer:

9  3/4  pages = x    

Step-by-step explanation:

\frac{pages}{minutes} = \frac{pages}{minutes}        change 3 1/4 to a decimal

\frac{3.25}{8} = \frac{x}{24}

3.25(24) = 8x

78 = 8x

\frac{78}{8} = x

9.75 = x  

9\frac{3}{4} =x

working with the fraction

3 1/4 /8 = x/ 24

3 1/4 (24) = 8x            

 13/4 (24) = 8x

  316/4 = 8x

  78 = 8x

78/8 = x

9 3/4 = x

7 0
2 years ago
I need to know number 66 plz any answers will do
dedylja [7]
It would be 2 1/15 :)
8 0
3 years ago
Read 2 more answers
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