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Hatshy [7]
2 years ago
14

Can anyone answer these 2?​

Mathematics
1 answer:
steposvetlana [31]2 years ago
8 0

Answer:

1.) 12x-10

2.)18x+10

Step-by-step explanation:

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<span>D. Regular polygon.

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3 years ago
I need help with this question ASAP! Please help!
blondinia [14]

Answer:

140 degree

Step-by-step explanation:

Since the sum total of a polygon is 540 degree, simply subtracts from each degree of the other angles.

540 degree - 110 degree - 85 degree - 125 degree - 80 degree = 140 degree

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2 years ago
city water tank holds 20 gallons of water. A technician empties 25% of the tank. How many more gallons of water must be removed
eduard

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7

Step-by-step explanation:

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2 years ago
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3 0
2 years ago
A music store sold a total of 27 used trumpets and clarinets in one month. Trumpets cost $149 and clarinets cost $99. If total s
Annette [7]

Answer:

The number of clarinets musical store sold was 16. and number of trumpets musical store sold was 11.

Step-by-step explanation:

Let the musical store sells 'x' number of trumpets and 'y' number of clarinets.

According to question,

Total number of  trumpets and clarinets sold is 27 that is

x+y=27 ..............(1)

Also given Trumpets cost $149 and clarinets cost $99.

then the shop sold x trumpets for $149x and sold y clarinets for $99y and total sales were $3233.

thus, 149x+99y=3233  ...........(2)

Solving for equation (1) and (2),

Multiply equation (1) by 149 , we get

(1) ⇒ 149x+149y=4023  ........(3)

Now, subtract equation (3) from equation (2) , we get

149x+149y-(149x+99y)=4023-3233

\Rightarrow 149x+149y-149x-99y=790

\Rightarrow 149y-99y=790

\Rightarrow 50y =790

\Rightarrow y =\frac{790}{50}=15.8

Thus, number of clarinets musical store sold was 15.8 but since clarinets are to be in whole number rounding off to the nearest integer 16.

and put y = 16 in (1) , we get

x+y=27 \Rightarrow x+16=27 \Rightarrow x=27-16=11

Thus, number of trumpets musical store sold was 11.


4 0
3 years ago
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