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Elodia [21]
3 years ago
11

A student measured the gram weight of a

Mathematics
1 answer:
Trava [24]3 years ago
3 0

Answer: 0.3

Step-by-step explanation: i know it’s the answer

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Can someone help me?
qaws [65]

Answer:

D. All real numbers.

Step-by-step explanation:

This expression  can have any real number assigned to x.

4 0
4 years ago
Read 2 more answers
Write a formula that will yield the nth term of the sequence: 3,-2,-7,-12
RUDIKE [14]

Answer:

-5n + 8

Step-by-step explanation:

<u>1. What is the difference?</u>

  The sequence goes down by 5. This means that the formula will have -5n in it.

<u>2. Work out the term before the first term.</u>

    The first term is 3, and we know that the sequence goes up by 5. So, to get the term before 3 we would add 5.

3 + 5 = 8   Remember, this is positive 8. (+8)

<u>3. Put that term at the end of the equation. </u>

   We have -5n already and we just worked out the term before the first one which is positive 8 - so put that at the end of the equation.

-5n + 8  This is our answer!

Just to prove it works:

<em>Substitute:   n = term</em>

Lets see if we can get the 3rd term which is -7. (n = 3)

-5(3) + 8

-15 + 8 = -7

See, it works!

8 0
4 years ago
Which of the following is equivalent to (a + b) (a/b)
cestrela7 [59]

Answer:

\frac{a^{2} +  ab }{b}

Step-by-step explanation:

(a + b) * (\frac{a}{b}) = \frac{a * (a+b)}{b} = \frac{a^{2} +  ab }{b}

7 0
3 years ago
How many terms are in the expression<br> 5a+1?<br> 1<br> 4<br> 3<br> 2
Studentka2010 [4]

Answer:

I think the answer is 2

Step-by-step explanation:

7 0
3 years ago
Sketch the graph of each line.<br> 2x-5y=25
ki77a [65]
Well, you transform the standard form equation into slope-intercept form (y=mx+b), since you can only graph it using this form.

First of all, the layout of the equation is Ax+By=C

So, in this case, A is 2, B is 5, and C is 25.

Now, to put it into slope intercept form, you either use the formula to change it and solve it:

y= \frac{-A}{B}x+ \frac{C}{B} \\ y= \frac{-2}{-5}x+ \frac{25}{-5} \\  \\ y= \frac{2}{5}x-5

Or you can just solve for y:

2x-5y=25 \\ 2x-5y-2x=25-2x \\ -5y=-2x+25 \\  \frac{-5y}{-5}= \frac{-2x+25}{-5} \\  \\ y= \frac{2}{5}x-5

In addition, I attached what the graph looks like.

Hope this helps!

3 0
3 years ago
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