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Delvig [45]
3 years ago
8

You have two cards with a sum of (-12) in your hand. What two cards could you have? *

Mathematics
1 answer:
miss Akunina [59]3 years ago
6 0

Answer:

I think -6

Step-by-step explanation:

-12 +6 is -6 so -6 + -6 =-12

You might be interested in
Stoplight a changes color every 30 seconds and stoplight b changes every 40 seconds. after how many seconds will the stoplights
andrey2020 [161]

Answer:

After 120 seconds

Step-by-step explanation:

Here, we want to know the number of seconds after which both spotlights will change colors at the same time again.

Basically, what we want to do here is to

calculate the value with which 30 and 40 have the same multiples or we want to

calculate the lowest common multiple of 30 and 40

The multiples of 30 are 30,60,90,120 etc

The multiples of 40 are 40,80,120 etc

We can see that the lowest common multiple of both is 120

So therefore the spotlights will change colors at the same time after 120 seconds

6 0
2 years ago
Use the figure above to answer the questions.
DENIUS [597]

Answer:

the answer is d

Step-by-step explanation:

the shape of it as well

4 0
3 years ago
What is the length of diagonal BD in rectangle ABCD if BC=5 and CD=8.
svetlana [45]
I hope this helps you

6 0
3 years ago
Solve 2(x-2) = 3(x+2)-8
IgorC [24]

Answer:

x = -2

Step-by-step explanation:

2(x-2) = 3(x+2)-8

Multiply the 2 and 3 out to the numbers in the parentheses. Don't multiply the 3 out to the -8 because it is outside of the parentheses.

2x-4 = 3x+6-8

Combine the 6 and -8

2x-4 = 3x-2

Subtract 2x from both sides

-4 = x-2

Add 2 to both sides

-2=x

7 0
2 years ago
How do I solve this?
7nadin3 [17]

The minimum  happens at x = -b/2a

x = -30 / 2(3) = -30/6 = -5

Now replace x in the equation with -5 and solve:

3(-5)^2 + 30(-5) +27 = 75 - 150 + 27 = -48

The minimum is at (-5,-48)

3 0
3 years ago
Read 2 more answers
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