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tekilochka [14]
3 years ago
7

Simplify the expression by combining like terms. 22+5−4+7−8

Mathematics
1 answer:
nikklg [1K]3 years ago
3 0

Answer:

22

Step-by-step explanation:

27-4+7-8=

23+7-8=

30-8=

22

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What two numbers add to equal ten and multiplies to equal negative seven?
lawyer [7]
Okay ShallBeTheLast, what we will do will involve a lot of simple plug and play kind of actions.
To start we must notice one number must be negative and the other should be positive, because the multiplied number is a negative.

Next, lets multiply number that have a sum of 10 (keep in mind one has to be negative and the other has to be positive).

-1 * 10 = -10 false
-2 * 12 = -24 false
-3 * 13 = -39 false
notice that no number working and it's only getting farther away.
There is no solution for this that involves to integers.

I think you might of wrote the question backwards.
If that is the case we would run numbers like.....
-1 * (-6) = 7 false
-2 * (-5) = 10 true!!!!

-2 and -5 would work
4 0
4 years ago
What is the smallest whole number larger than the perimeter of any triangle with a side of length 5 and a side of length 19?
vivado [14]

Answer:

48

Step-by-step explanation:

The maximum third side length of a triangle with two sides 5 and 19 is 5+19-1=23. Therefore, the maximum perimeter of a triangle with the two side lengths given is 5+19+23=47.

The smallest whole number larger than this is 48.

4 0
3 years ago
Which problem can be solved using this inequality?
Tpy6a [65]
C three times a number less seven is greater than or equal to twenty.solve for x
8 0
4 years ago
X-y+z=6, 2y+z=12, z=2
snow_tiger [21]
For z=2⇒ 2y+2=12
                2y=12-2
                2y=10
               y=10:2
               y=5
x - y+z=6
x - 5 + 2=6
x -3 =6
x=6+3
x=9
7 0
3 years ago
Evaluate x - 20 when x=3
ryzh [129]

Answer:

-17

Step-by-step explanation:

Plug in 3:

3 - 20 =

Solve:

3-20 = -17

5 0
3 years ago
Read 2 more answers
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