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Romashka [77]
3 years ago
7

A close system is internal energy changes by 178 J as a result being heated with 658 J of energy the energy used to work by the

system is blank
Mathematics
1 answer:
Alex_Xolod [135]3 years ago
8 0
The answer to your question is 480 J.
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Look at the graph below measuring the speed of a truck and answers the following 2 question.
NemiM [27]
X would be equal to time and y be equal to distance

The y axis would be measuring distance and the x axis would be measuring time. Another name for a speed graph is the distance time graph. The y axis would be measuring the distance covered by the truck in meters and the x axis would be for the time it takes to reach that distance in second.



B) 2-6 would represent contact motion, meaning the vehicle is at rest. The time would be increasing from 2-6 to however the distance remains the same which is 20m
4 0
3 years ago
Help i’m begging plsss
olga_2 [115]

Answer:

x=8

Step-by-step explanation:

Given

AB||CD

\angle ABC = 5x + 50

\angle BCD = 7x + 34

Required

Find x

If AB||CD i.e. If AB is parallel to CD, then

\angle ABC = \angle BCD

Substitute values for ABC and BCD

5x + 50 = 7x + 34

Collect Like Terms

5x - 7x = -50 + 34

-2x = -16

Multiply through by -\frac{1}{2}

-\frac{1}{2} * -2x = -16 * -\frac{1}{2}

\frac{1}{2} * 2x = 16 * \frac{1}{2}

\frac{2x}{2} = \frac{16}{2}

x = \frac{16}{2}

x=8

3 0
3 years ago
If the quadrilateral below is a kite, find m
Debora [2.8K]

Answer:

49°

Step-by-step explanation:

7.5x-15+90=180

7.5x+75 =180

7.5x=105

x =14

so NPQ = ( 4×14 -7 ) = 49° this the answer

6 0
3 years ago
Read 2 more answers
What is the LCD for ?11/20 31/45<br><br> 315<br><br><br> 105<br><br><br> 66<br><br><br> 945
Mnenie [13.5K]
None of these are choices, because in order to make 20ths equal a 45th, it was to end in a 20,40,60,80, or ending in 00. 
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3 years ago
Please help me smile this problem ASAP
kogti [31]

Answer:

3y^7/ x 3y^5

Photomath

3 0
3 years ago
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