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yanalaym [24]
3 years ago
12

Basic geometry help!!!!!

Mathematics
1 answer:
son4ous [18]3 years ago
4 0
It is a paralellogram 

and the sum of angles of any quadrelateral = 360

14 x+ 14 x + 6x +6x = 360
40 x = 360  

x= 360/40= 9 
 14x =  14* 9 =  126

6x = 6 * 9 = 54 

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Jodi poured herself a cold soda that had an initial temperature of 40degreesF and immediately went outside to sunbathe where the
kozerog [31]

Answer:

58.75 degreeF

Step-by-step explanation:

The initial temperature of the Soda = 40degreeF

The temperature outside is steady at 99 degreeF

The temperature of the soda became 50 degreeF after 8 minutes

In 8 minutes, the Soda gained

(50 - 40)degreeF

= 10 degreeF

If the soda gains 10 degreeF in 8 minutes, in 1 minute, it will gain 10/8degreeF

Therefore in 7 minutes, the soda will gain (10/8)*7

= 70/8

= 8.75 degreeF

The expected temperature of soda after an additional 7 minutes = 50 + 8.75

= 58.75degreeF

5 0
3 years ago
Harry reads that a particular element has an atom with a mass of 0.000000000012 grams. What is the weight of the atom expressed
Arlecino [84]
1.2 e⁻¹¹

Because you need a number between 1 and 10 for scientific notation. So you move the decimal over 11 places. Since you move it to the right, it becomes a negative exponent.
8 0
3 years ago
A flagpole casts a shadow of 10ft long. A girl standing nnext to the flagpole casts a shadow 2.5 ft. long.If the girl is 5 ft. t
loris [4]
Since we know that they have to e similar, it is a 20ft tall flagpole. the shadow of the girl is half of her height, so since the flag pole shadow is 10ft it is simple 10 multiplied by 2
3 0
3 years ago
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Help with finding g(f(x))<br> f(x) = x squared - 3x + 2 <br> g(x)= x+2
n200080 [17]

Answer:

=x+2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Can anyone please help me with this? i need a step by step explanation please! very appreciated:)
EastWind [94]

Answer:

Step-by-step explanation:

x and y are variables. That means they represent numbers that are unknown. When we solve for x or y, we are trying to find what number the variable represents.

Y is a number that equals both 5x-9 and 3x+7. If it is a number, it can only have one value, so we can say that 5x-9 and 3x+7 have the same value.

In other words, 5x-9 = 3x+7.

Another way of thinking about this step is substitution. y=3x+7, so in the equation y=5x-9, we can replace the y with 3x+7. It will give 3x+7 = 5x-9.

In either case, we have this new equation

5x-9 = 3x+7.

From here it's just simple algebra- subtract 3x from each side

2x -9 = 7

and add 9 to each side

2x = 16

and divide each side by 2.

x = 8.

All these steps work because if two things equal each other, when you do the same thing to both of them (such as add 9), the new values will still equal each other.

Now that we know that x = 8, we can take one of the original equations

y=5x-9

and put 8 in for x.

y=5*(8) -9.

If x represents the value 8, we can obviously switch out x for 8.

Now simplify

y=40 -9

y = 31

Now we know that x = 8 and y = 31.

5 0
3 years ago
Read 2 more answers
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