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Scilla [17]
3 years ago
10

If AB = CD then AB + EF = CD + EF

Mathematics
2 answers:
aleksley [76]3 years ago
8 0
This is true, since ab=cd and ef must = ef the. Ab+ef = cd+ ef
arlik [135]3 years ago
3 0

Answer:

True

Step-by-step explanation:

If AB = CD and CD = EF then AB = EF.

It's the transitive property. If two are equal to the same thing, they are equal to each other

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Answer: Hi there, the answer should be the third option v < -8.

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A to B is 420 mile away, A travels 40 mph and B travels 80 mph. they toward to each other. how many hour will they meet ?
N76 [4]

Answer:

Step-by-step explanation:

I hope these are people in vehicles travelling toward each other.

80 mh * t + 40 mph * t = 420 miles

The two vehicles are going to travel a total of 420 miles. B will cover a lot more ground than A, but together they will make 420 miles

80t + 40t = 420

120t = 420

t = 420/120

t = 3.5

So after driving 3.5 hours, the two cars will meet.

5 0
3 years ago
12/5 rename the fractions as mixed numbers
Alex_Xolod [135]

Answer:

2 2/5

Step-by-step explanation:

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5 0
2 years ago
Solve the linear system using substitution
levacccp [35]
Hello there!

3x - y = 3
-x + y = 3

We need to solve 3x - y = 3 for y

Let start by adding -3x to both sides

3x - y = 3

3x - 3x - y = 3 - 3x

-y = 3 - 3x
We cannot leave the variable with a negative sign. We must multiply both sides by -1

-y * -1= (3 - 3x)-1

y = 3x - 3

Substitute 3x -3 for y in -x+y=3

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-x + 3x - 3 = 3

2x - 3 = 3

2x = 3 + 3

2x = 6

x = 6/2

x = 3

Now substitute 3 for x in y=3x -3

y = 3x - 3

y = 3(3) - 3

y= 9 - 3

y= 6

Thus,

The answer is x=3 and y=6

It is always my pleasure to help students like you :)

As always, I am here to help!


7 0
4 years ago
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBB ?
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Answer:

uh.

Step-by-step explanation:

3 0
3 years ago
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