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Setler79 [48]
2 years ago
11

Can someone help me with this one

Mathematics
2 answers:
saul85 [17]2 years ago
6 0

2x - 3 - 5x + 8 = -3x + 5

Hope this helps


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777dan777 [17]2 years ago
5 0

combine 2 and 5 ( since they are like terms ) so thats 2 - 5 = -3. Then 3 + 8 = 11. The end product is -3x + 11

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If abj=28, abc "congruent to" dbj, find jbc.
Rom4ik [11]
DBJ + ABJ = 90 DBJ = ABC DBC + ABC = 90 JBC + DBC + ABJ = 90 And last but not least: ABJ = 28
8 0
3 years ago
PLEASE HELP! DUE TONIGHT!
Tju [1.3M]
f(7) = 5(7) = \boxed{\bf{35}}\\\\\\f(9) = 9 + 13 = \boxed{\bf{22}}\\\\\\f(4) = 3(4) - 1 = 12 - 1 = \boxed{\bf{11}}
5 0
3 years ago
Use a half-angle formula to find the exact value of the expression.
NARA [144]

Step-by-step explanation:

The answer is

\sqrt{2}  - 1

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5 0
2 years ago
5&lt;2y&lt;12 where y is an integer.<br> Write down all the possible values of y.
frozen [14]

Answer:

y = 3, 4, or 5

Step-by-step explanation:

<u />

<u>Step 1; Simplify the Double Inequality</u>

Let's first simplify this double inequality to make answering this problem a bit easier. This means getting the middle term to be just y, without any added constant or coefficients.

In this case, this is a fairly simple process, as all we have to do to get y by itself is just divide the <em>entire inequality</em> by 2. This means that we will also divide the 5 and 12 by 2. (Note that the signs stay the same because we are not dividing by a negative number.)

Doing so gives us the following double inequality: 2.5 < y < 6.

<u>Step 2: Identify the Integers in this Range</u>

Now that we have a simplified double inequality, all we need to do is find all of the integers in its range. (Recall that an integer is <u>any number that is not a fraction when fully simplified (ex. …-1, 0, 1...)</u>.)

In other words, we need to find all of the integers <em>in between</em> 2.5 and 6. Note that we don't include 6 because of the "<" sign, which indicates that the 2.5 and 6 are not included in the set. These numbers are 3, 4, and 5, making them your answer. Hope this helps!

8 0
2 years ago
What numbers multiply to equal -9 but add up to 12?
Elan Coil [88]
I don't think this is possible.

The factors of -9 are:
-1 x 9
-9 x 1
-3 x 3

And when you add them together you get:
-1 + 9 = 8
-9 + 1 = -8
-3 + 3 = 0

Sorry but there is not an answer. :(

7 0
3 years ago
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