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gavmur [86]
4 years ago
5

78 Solve for x, with variables on both sides of equation. (Note: x is the same thing as 1x) You must show your work!

Mathematics
1 answer:
Feliz [49]4 years ago
4 0
9x= x+4

Subtract x on both sides to balance the equation. 

8x= 4

Divide 8 into both sides. (the inverse of multiplication) 

x= 1/2

We can check this by plugging in x.

9(.5)= .5+4

4.5= 4.5

I hope this helps!
~kaikers
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39= 1 3/10 please help me
Elena L [17]

Answer:

False.

Step-by-step explanation:

39 doesnt equal 1 3/10. 39 equals 3 9/10.

5 0
3 years ago
What is the value of 3(4(-2)+5x3)-2(7(-2)-3x3)
Doss [256]
What is the value of 3(4(-2)+5x3)-2(7(-2)-3x3)
Answer: 67
8 0
3 years ago
Read 2 more answers
Select the correct answer.<br> Which expression is equivalent to the given expression?
Hatshy [7]
We can focus on each part separately, first the numbers:
-3 times (5 squared)
-3 times 25
= -75
This rules out the last two options

Next let’s focus on the x terms:
x^3 times (x^5 squared)
When raising a term that is already raised to a power by another power, you multiply the powers, in this case 5 times 2 = 10
x^3 times x^10
When multiplying numbers with the same base, you add the powers
=x^13

So the answer must be B but we can check the y terms just to make sure

y^2 times (y^4 squared)
y^2 times y^8
=y^10 which matches answer B
7 0
2 years ago
How to estimate 2 5/6, first one to answer will be marked brainliest
RideAnS [48]

Answer:

If your saying estimate this number in a decimal without calculators I think I might be able to help as illustrated below:

Step-by-step explanation:

2 5/6 shows that the whole number will be a 2. The 5/6 is a decimal below one as it is not one whole fraction. This means that we have to estimate the value of 5/6 and add that value to the number 2. 1/3 is a common fraction that is equal to about 0.33. This is because 0.33 + 0.33 + 0.33 is almost 1, which means 1/3 of one is indeed equal to 0.33.

<u>This means we divide 0.33 by 2, because that would be equal to (1/3)/(2), or 1/6. </u>0.33/2 seems like it would be 16.5. 16.5 * 5, as in 5/6, would be 82.5.

I would then say that the estimate of 2 5/6 is 2.83.

8 0
3 years ago
Determine the domain of (f/g)(x) when f (x)=1/x and g (x)=sqrtx+5
mash [69]

we are given

f(x)=\frac{1}{x}

g(x)=\sqrt{x+5}

Calculation of (f/g)(x):

(\frac{f}{g})(x)=\frac{f(x)}{g(x)}

now, we can plug values

(\frac{f}{g})(x)=\frac{\frac{1}{x}}{\sqrt{x+5}}

now, we can simplify it

(\frac{f}{g})(x)=\frac{1}{x\sqrt{x+5}}

Domain:

we know that domain is all possible values of x for which any function is defined

function will be undefined when denominator =0

x\sqrt{x+5} =0

x=-5,x=0

we are given sqrt function

and we know that value inside sqrt will always be greater than 0

x+5>0

x>-5

so, domain will be

(-5,0)U(0,\infty)..............Answer

5 0
4 years ago
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