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erma4kov [3.2K]
3 years ago
11

What is x in the equation 3x=9

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
4 0
The answer is 9
3x/3=9/3
x=3
dsp733 years ago
3 0
I think in the equation X equals 27
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When a book of 100 pages is opened, the sum of the facing page numbers can be divided by 5, the quotient is a product of 3 and 7
statuscvo [17]
Sum means the result of addition.
Quotient means the result of division.
Product means the result of multiplication.

The product of 3 and 7 is 21, because:
3 × 7 = 21

Therefore, the quotient is 21.

Let the sum of the facing page numbers = x:
Therefore, x/5 = 21
Rearranging the equation to find x (the sum of the facing page numbers) gives us:
x = 21 × 5
= 105
So the sum of the facing page numbers is 105.

The only two adjacent numbers which add up to 105 are 52 and 53, so the facing page numbers must be 52 and 53.
3 0
3 years ago
Please answer this with the steps included please<br> y-10 = -5/4x + 30/4<br> for middle school
Phantasy [73]
<span>y-10 = -5/4x + 30/4 represents a linear function; we know that because both x and y have the power 1.

We could put this equation into one of several forms.

Suppose we wanted to put it into slope-intercept form.  Then </span><span>y-10 = -5/4x + 30/4 becomes y = 10 + 30/4 - (5/4)x, or y = 35/2 - (5/4)x.  Thus, this line has the slope -5/4 and the y-intercept (0, 35/2).

If this isn't quite what you wanted, then please share the instructions.

</span>
7 0
3 years ago
What is the vertex of the quadratic function below?
likoan [24]

Answer:

(-2, 3)

Step-by-step explanation:

7 0
2 years ago
Edgar said 3/5 is equivalent to 18/32. Check his work by making a<br> table of equivalent ratios.
Katen [24]

Answer:

In a nutshell, \frac{3}{5} is not equivalent to \frac{18}{32}.

Step-by-step explanation:

Now we proceed to demonstrate that Edgar's statement is false:

1) \frac{3}{5} Given

2) \frac{3}{5} \times \frac{2}{2} Modulative property/Existence of multiplicative inverse

3) \frac{6}{10} \frac{a}{b}\times \frac{c}{d} = \frac{a\cdot b}{c\cdot d}

4) \frac{6}{10}\times \frac{3}{3} Modulative property/Existence of multiplicative inverse

5) \frac{18}{30} \frac{a}{b}\times \frac{c}{d} = \frac{a\cdot b}{c\cdot d}/Result

In a nutshell, \frac{3}{5} is not equivalent to \frac{18}{32}.

4 0
2 years ago
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ohaa [14]

Answer:

If the car depreciates each year by the same amount, it will depreciate yearly by $2650 dollars

Step-by-step explanation:

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