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AleksAgata [21]
3 years ago
12

(01.01 MC)Why is 3 + (−5) equal to −2?

Mathematics
2 answers:
Eddi Din [679]3 years ago
4 0

we usually see a bare + or - in front of a grouping symbol, like +( and such, well, it really means to have a 1 and a times sign as well, namely +1*, so +( really means +1*(

\bf 3+(-5)\implies 3+1\times (-5)\implies 3-5\implies ~~\begin{matrix} 3-3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~-2

Andrei [34K]3 years ago
3 0

Answer:

Step-by-step explanation: Since the 5 is a negative you would subtract 3 instead of add. I help to use an number line.. start at -5 on the number line then move 3 spaces forward and yo get 2.

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_________________ please help!!!!!!!
jeka94

Answer:

The answer would be C)5

Step-by-step explanation:

The unknown triangle is half of the size of the original triangle, The right side measurement basically hints to the actual answer.

5 0
3 years ago
Please Help this is Due in 1 hour and I really dont understand any of this. (Question in Image)
KATRIN_1 [288]

Answer:

Step-by-step explanation:

4 0
3 years ago
Find the perimeter of a triangle with vertices A(2,5) B(2,-2) C(5,-2). Round your answer to the nearest tenth and show your work
valina [46]

Answer:

Step-by-step explanation:

Question

Find the perimeter of a triangle with vertices A(2,5) B(2,-2) C(5,-2). Round your answer to the nearest tenth and show your work.​

perimeter of a triangle = AB+AC+BC

Using the distance formula

AB = sqrt(-2-5)²+(2-2)²

AB = sqrt(-7)²

AB =sqrt(49)

AB =7

BC = sqrt(-2+2)²+(2-5)²

BC = sqrt(0+3²)

BC =sqrt(9)

BC =3

AC= sqrt(-2-5)²+(2-5)²

AC= sqrt(-7)²+3²

AC =sqrt(49+9)

AC =sqrt58

Perimeter = 10+sqrt58

5 0
3 years ago
Help me please and thanks
Diano4ka-milaya [45]
I believe it could be option 1
4 0
3 years ago
Compare -5/6 _ -3/7 choose from 1) > 2)
vfiekz [6]

Answer

1)<2) please put 5 stars

Step-by-step explanation

First you need to find the GCF of the donominators which are 6 and 7. The GCF is 42.

6*x=42. x=7 5*7=35. -35/42 is the first fraction.

7*y=42 y=6 3*6=18. -18/42 is the second fraction.

-35/42 would be bigger but since it is negative, it is smaller.

8 0
4 years ago
Read 2 more answers
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