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jeka57 [31]
3 years ago
9

—4 + 5 — 7 = 10 + 3х – 2х

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0

Answer:

X= -4.66666667 or 5 when rounded to the nearest whole number.

Step-by-step explanation:

-4+5-7=10+3x-2

-11+5=8+3x

-6=8+3x

-6-8=8-8+3x

-14=3x

X= -4.66666667 or 5 when rounded to the nearest whole number.

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What does it mean when we write √100 = 10 in terms of squares and side lengths? Explain. *
erica [24]

Step-by-step explanation:

\sqrt{100}=10  because 10^{2}=100. 10 is the square root of 100, which means that 10 multiplied by itself (10×10=10^2) is equal to 100. So, when you are trying to find the square root of a number, the square root is itself multiplied by itself.

4 0
4 years ago
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Give the slope lf y -3 =4(x+8) and point on the line.
Olenka [21]

Answer:

slope = 4

Step-by-step explanation:

slope is the coefficient attached to the x variable: thus the 4

so slope is 4 after you distribute the 4 to x and 8 and add 3

6 0
3 years ago
Two fewer than a number doubled is the same as the number decreased by 38. if n is "the number," which equation could be used to
Alona [7]
   
\displaystyle \\ 
\text{We use the following equation:} \\  \\ 
 \frac{n}{2} = n - 38 \\  \\ 
We solve for n: \\  \\ 
 \frac{n}{2} = n - 38 ~~\Big| \times 2 \\  \\  
n = 2 \times  n - 2 \times 38 \\  \\ 
n = 2n - 76 \\  \\ 
2n - n = 76 \\  \\ 
\boxed{n = 76} \\  \\ 
\text{Verification: } \\  \\ 
\frac{n}{2} = n - 38 \\  \\ 
\frac{76}{2} = 76 - 38 \\  \\ 
\boxed{38 = 38  ~~~ Correct }



8 0
4 years ago
Simplify the expression <br> 5i(6-8)<br> A. 40-30i<br> B. 40+30i<br> C. -30+40i<br> D. 30+40i
Mice21 [21]

Answer:

D hope this helps :)

Step-by-step explanation:

7 0
3 years ago
Peter earns $11,250 per year, of which 31% is spent on food. What amount is spent yearly on food?
Alex_Xolod [135]

Answer:

$7762.5

Step-by-step explanation:

31% is spent on food.



Subtract that from his income of 100%


you get 69%


Multiply 69% by his income, and you get $7762.5

3 0
3 years ago
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