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skad [1K]
3 years ago
11

I need help plszsz plszsz

Mathematics
1 answer:
stepladder [879]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Because Sandy have 9 more than henry, so +9. Henry have 3 time as Roger. Roger's CD is y. 3 times mean multiply by 3. So, 3y, but we have to subtract a y because it is asking how many Sandy have MORE than Roger, so 2y. Then add the 9 and it will be (2y+9) CD's that Sandy have more than Roger.

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Explain weather 14t-3t is equivalent to 3t-14t. Support your sender by evaluating the expression for t=2.
m_a_m_a [10]

Answer:

Solving 14t-3t we get 22 and 3t-14t we get -22

So, 14t-3t is not equivalent to 3t-14t.

Step-by-step explanation:

We need to explain weather 14t-3t is equivalent to 3t-14t. Support your sender by evaluating the expression for t=2.

<em>Equivalent expressions are those that have same values for any value of variable substituted.</em>

Now, We check if our expressions are equivalent, by evaluating the expression for t=2.

If they are equivalent, they would have same result after evaluation.

First, put t=2 into 14t-3t

14t-3t\\Put\:t=2\\=14(2)-3(2)\\=28-6\\=22

Now put t=2, into 3t-14t

3t-14t\\Put\:t=2\\=3(2)-14(2)\\=6-28\\=-22\\

For solving 14t-3t we get 22 and 3t-14t we get -22

So, 14t-3t is not equivalent to 3t-14t.

6 0
3 years ago
A plane flying horizontally at an altitude of 4 mi and a speed of 465 mi/h passes directly over a radar station. Find the rate a
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106.25
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