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Vanyuwa [196]
3 years ago
10

Simplify each expression involving signed numbers.

Mathematics
1 answer:
Kitty [74]3 years ago
6 0

Answer: Solving Problems Involving Rational Numbers Edgenuity 2020

-9

-8

-48

-6

Step-by-step explanation:

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REY [17]

Answer:

Step-by-step explanation:

I used SI system for units

1)meter

2)kilogram

3)kilogram

4)meter

5)Litre

3 0
3 years ago
Which congruence postulate proves that the two triangles are<br> congruent?
inna [77]
The answer is SSS since both triangles have equal sides the third one has to be congruent since they share the same line
8 0
3 years ago
Im having a hard time on this question and I hope you can help.
Masja [62]

The answer would be x ≠ 0

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

First start with the left side, doing distributive property

So... -2(x) = -2x and -2(5) = -10 Therefore on the left side you now have -2x -10

Next do the same on the right side

-2(x) = - 2x and -2(-2) = 4 so you have -2x + 4 + 5 and you add 4 and 5, leaving you with -2x + 9

Now that you have simplified both sides the problem now looks like this:

-2x - 10 = -2x + 9

Because you have equal terms on both sides (-2) those cancel out so you have -10 = 9

Just from looking at this we know that the statement is false because -1o does not equal 9

*The symbol, "≠" means not equal to"

3 0
3 years ago
Read 2 more answers
Which expression is equivalent to |8| + |-7|?
enot [183]

Answer: The answer would be 15

Step-by-step explanation:

Hope this helps.

4 0
3 years ago
Read 2 more answers
the length of a pool 2 km long is represented on a map with a length of 20cm. what is the map scale used?​
goldenfox [79]

Answer:

The scale used is 1: 10,000 cm.

Step-by-step explanation:

Given that the length of a pool 2 km long is represented on a map with a length of 20cm, to determine what is the map scale used the following calculation must be performed:

2 km = 2,000 m

1m = 100cm

2,000 x 100 = 200,000

20: 200,000

10: 100,000

1: 10,000

Thus, the scale used is 1: 10,000 cm.

4 0
3 years ago
Read 2 more answers
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