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katen-ka-za [31]
4 years ago
11

Please HELp How do u solve dis.

Mathematics
1 answer:
exis [7]4 years ago
4 0

Step-by-step explanation:

x+77=126 (vertical opposite angles are equal)

x=126-77

x= 49

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Is (3,2) a solution of the system of equations?Explain<br> 2x+y=8<br> -x+3y=4
lesya692 [45]

Answer:

no

Step-by-step explanation:

2(3)+2=8

6+2=8

-x+3y=4

-(3)+3(2)=4

-3+6=4

3 does not equal 4

7 0
3 years ago
Step by step explanation pls (30 points!)
GarryVolchara [31]

Answer:

40t^4

Step-by-step explanation:

I'm guessing you have to simplify the expression so...

first, on the top of the fraction there is a 5^2 which is just 25. 25*25 = 625, so the top of the fraction bar changes to 625 * t^8

The denominator is 10^3 = 1000. this changes it to 1000 * t^4

The hard part now is to simplify this. t^8 is just t*t*t*t*t*t*t*t. similarly t^4 is just t*t*t*t

Since there are 4 t's in both the numerator and denominator, this cancels it out and changes this to

\frac{625  \cdot t^4}{1000} which simplifies to \frac{5 \cdot t^4}{8}.

To get rid of the denominator, we multiply 8/8 to the fraction to get:

8(5 \cdot t^4), which if we distribute the 8 we get: 40t^4. Which is our answer!

Hope this helps!

4 0
3 years ago
Solve for z <br><br> z−4/9−1/3=5/9
Svetach [21]
4/3 because (check the picture)

3 0
3 years ago
Which situation cannot be represented by x + 4.5 = 8?
Elina [12.6K]

Answer:

I'm doing the exact same question rn sorry if its wrong, try D.

4 0
3 years ago
One week, Daniel earned $554. 30 at his job when he worked for 23 hours. If he is paid the same hourly wage, how many hours woul
Sever21 [200]

Answer:39 hours

Step-by-step explanation:First, let's find the rate of money per hour:$554.30 / 23 hour= $24.1 / 1 hourDaniel earns $24.10 every hour he works.To find the hours that Daniel has to work to earn $939.90, divide it by 24.10:$939.90 / 24.10= 39Now, we can check:$24.10 * 39= $939.90

4 0
3 years ago
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