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Lorico [155]
3 years ago
12

are the expression -7 + -2 and -7 - 2 equivalent why or why not? include the solutions for each expression for full credit

Mathematics
1 answer:
Hatshy [7]3 years ago
3 0

Answer:

Yes, they are both equal.

Step-by-step explanation:

This is because in both cases, you are subtracting, -7 + -2 = -9. -7 - 2 = -9.

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Which set is an example of like fractions 1/2 and 3/2, 10/10 and5/5 ,7/4 and 4/7, 2/1 and 2/3
NeTakaya
10/10 and 5/5 are like fractions
4 0
3 years ago
Write the 2-digit number that matches the clues. My number has a tens digit that is 8 more than the ones digit. Zero is not one
laila [671]
Firstly attention should pe paid to the exact words given in the problem and then only the answer can be easily deduced.
It is a 2 digit number and that is said in the problem
Now For the tens digit it has been said that it is 8 more than the ones digit. The ones digit cannot be zero and that is already mentioned in the problem.
So if we take the ones digit to be 1, then the tens digit will be= 8 +1
                                                                                                 = 9
Now if we take the ones digit to be 2, then the tens digit will be = 2 + 8
                                                                                                     = 10
So it cannot be 2 as the tens digit takes the number to a 3 digit number and it is not possible.
So the answer to this problem is 91.
5 0
2 years ago
How do u solve this pls help
Leni [432]

Answer is in the picture.

4 0
2 years ago
Need a little help with one please
Pani-rosa [81]

Answer:

That would be the side-side-side (SSS) postulate, which states that if all the sides of a triangle are in a fixed ratio to all the corresponding sides of another triangle, then the two triangles are said to be congruent.

Step-by-step explanation:

Looking at triangles ABC and DEF, we notice that:

\frac{AB}{DE} = \frac{AC}{DF}=\frac{BC}{EF}

since

\frac{3}{18} = \frac{6}{36}=\frac{7}{42}=\frac{1}{6}

Let me know if you have further questions.

4 0
2 years ago
PLEASE HELP TIMED TEST!!!! I WILL REPORT YOU IF YOU GIVE ME A LINK!!
Elenna [48]

Answer:

x=40

Step-by-step explanation:

you have to get a answer of 60

(40)+20=60

and 2(40)-20=60

5 0
2 years ago
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