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hjlf
3 years ago
14

ZABD and ZDBC are supplementary angles.

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer:

Solution given:

x+100=180°{linear pair}

x=180-100

x=80

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The ball's height (in meters above the ground), xxx seconds after Antoine threw it, is modeled by: h(x)=-2x^2+4x+16 How many sec
zlopas [31]

Answer:

Step-by-step explanation:

If we are given the quadratic model, we know that the height of anything on the ground is 0 meters, so that model becomes

0=-2t^2+4t+16 I changed your x's to t's since t is for time.

Now we need to factor that quadratic and solve for time:

0=-2(t^2-2t-8)

Since -2 definitely does not equal 0, then

t^2-2t-8=0

Factor that and find t values of 4 and -2.  Again, we know that time will never be negative, so

t = 4 seconds.

5 0
3 years ago
Read 2 more answers
Rewrite 8x - 7 as the product of two factors
kykrilka [37]

Answer:

factors are any group of number or expressions which, when multiplied, produce another number or expression.

Basic example:  4 can be broken into 2 factors---2 and 2.  2 times 2 = 4

Example using an unknown:

2X + 6 = 2 * (X + 3)

In the given problem, there is no whole-number common factor.  A normal convention would be to factor based on the unknown term----thus 8X is factored into 8 and X.

So:  8X + 7 = 8 ( X + 7/8 )

The following would also be correct:

8X + 7 = 4 ( 2X + 7/4 )

Step-by-step explanation:

8 0
3 years ago
Which of the following is the same as 2.3×10^3
gregori [183]
The answer would be C) 2,300.
7 0
3 years ago
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What is the equation of the line that passes through the point (6,-5)
nexus9112 [7]

Answer:

y= -3/2x + 4

Step-by-step explanation:

hope this helps :)

6 0
2 years ago
PLEASE HELP ; I need help on this ? I am confused .
zubka84 [21]
256,000-2.56*100,000
Since there are 6 digits in 256,000, it is 2.56*100,000 becuase 100,000 also has 6 digits.
2.56*100,000=2.56*10^5
Since there are 5 zeroes in 100,000, it is 10^5.
256,000=2.56*100,000=2.56*10^5
First box: 100,000
Second box: 5
6 0
3 years ago
Read 2 more answers
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