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Nata [24]
3 years ago
9

Plz help me plzz i beg of u

Mathematics
1 answer:
Stells [14]3 years ago
7 0

Answer:

2.0 x 10^11

Step-by-step explanation:

2.6 divide it by 1.3 and get 2.0. 9+2 = 11. Together with the, it would be 10^11. That how I got 2.0 x 10^11

Hope this Helps, have a nice day!

:)

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Solve the system of equations 3x-y=-27 and 4x+2y=-6 by combining the equations
statuscvo [17]

Answer:

(-6, 9) is the solution set for given system.

Step-by-step explanation:

Given that:

3x-y=-27 ----------- eq1

4x+2y=-6 --------- eq2

Solving by combining the equations:

Dividing eq2 by 2 we get:

2x + y = -3 ------- eq3

Now add eq1 and eq3, we get:

5x = -30      (y from both equations will be cancelled out)

Dividing both sides by 5:

x = -6

Now putting value of x back in eq3:

2(-6) + y = -3

-12 + y = -3

Adding 12 on both sides:

y = -3 + 12

y = 9

So the solution set for given system is (-6, 9)

i hope it will help you!

3 0
3 years ago
Write as a decimal. If necessary, use a bar to indicate which digit or group of digits repeats
Gnoma [55]
2.83333333(repeating)
8 0
3 years ago
Help me with this 3 problems<br><br> 1) -1/6 +(-3/6)<br> 2)8/12-2/12<br> 3)4/7-1/4
STatiana [176]

Work is all listed below:

1) -1/6 - 3/6 = -4/6 = -2/3

2) 8/12 - 2/12 = 6/12 = 1/2

3) 4/7 - 1/4 = 16/28 - 7/28 = 9/28

8 0
3 years ago
HELP MEH PLZ- YOU'LL GET BRAINLIEST!
tatuchka [14]
5. (8, -5)
6. (-10, -10)
7. (-1, -3)
4 0
3 years ago
Read 2 more answers
What percentage is 142-58
Misha Larkins [42]

SOLUTION:

Step 1 :

In this question, we are meant to find what percent of 142 is 58.

Step 2 :

We make the assumption that 142 is 100 % since it is our output value.

Step 3:

We next represent the value we see with x.

Step 4 :

From step 2, it follows that 100 % = 142.

Step 5 :

In the same vein, x % = 58.

Step 6 :

This gives us a pair of simple equations:

\begin{gathered} 100\text{ \% = 142 ---- equ 1} \\ x\text{ \% = 58 }\ldots\ldots\ldots\ldots\text{ equ 2} \end{gathered}

Step 7 :

By simply dividing equation 1 by equation 2 and

taking note of the fact that the Left-Hand Side of both equations have the same unit ( % ), we have that :

\frac{100\text{ \%}}{x\text{ \%}}\text{ = }\frac{142}{58}

Step 8 :

Taking the inverse ( or reciprocal ) of both sides yields:

\frac{x\text{ \%}}{100\text{ \%}}\text{ = }\frac{58}{142}\begin{gathered} x\text{ = }\frac{58\text{ x 100}}{142} \\ \text{x = }\frac{5800}{142} \\ x\text{ = 40.85\%} \end{gathered}

CONCLUSION:

Therefore, 58 is 40.85 % of 142.

4 0
2 years ago
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