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ololo11 [35]
3 years ago
15

What is the missing the step in this proof DE = 1/2AT DE = AT

Mathematics
1 answer:
Vlad [161]3 years ago
3 0
What u do on one side, u do on the other. the 1/2
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Write the equation of the line that passes through the points (0,8) and (-1,-4).
Anettt [7]

Step-by-step:

Use slope formula to find the slope. (y - y)/(x - x)

Make sure the x and y in front of the minus is a pair that goes together, as well as the x and y behind the minus sign. So

8 - -4 goes on top, that's 12

0 - -1 goes under, thats 1

12/1 is the slope which is just 12. Use either point to fill in the second x and the second y in the point-slope equation. m is the slope.

y - y = m(x - x)

y - 8 = 12(x - 0)

y - 8 = 12x

5 0
2 years ago
PLEASE HELP!!<br> • Which of these are equivalent to -11/4 ? Choose ALL that apply.
weeeeeb [17]

Answer: -11 divided by 4 , 11 divided by -4 , -11/4 , 11/-4 ,

Step-by-step explanation:

I got it right on iready

5 0
3 years ago
Can some1 plz help me again, and plz show ur work!?!
Lynna [10]

Answer:

Step-by-step explanation:

Total height lowered = 75m

No of times balloon lowered = 5

Height lowered in each lowering = Total height lowered / No of times balloon lowered

                                                       = 75 / 5

                                                      = 15 m

The number indicated that each time balloon is lowered by 15 m

8 0
3 years ago
Read 2 more answers
For every prime p &gt; 3, 12|(p2 − 1).
Dima020 [189]

Answer:

Proved

Step-by-step explanation:

To prove that for every prime p>3 12 divides p^2-1

Proof:

Consider p^2-1=(p+1)(p-1)

Since p is prime p cannot be even.  When p is odd, we have p+1 and p-1 as even number.

This gives us the both p+1 and p-1 are divisible by 2, hence product is divisible by 4

To prove the term is divisible by 3:

We have p-1,p, p+1 as consecutive integers hence any one must be divisible by 3.  Since p is prime only either p-1 or p+1 is divisible by3

Hence we have product is divisible by 3 and 4

i.e. 12 divides p^2-1, for all prime p >3

5 0
3 years ago
Help me this is very hard
guapka [62]

Answer:

B. 60

Step-by-step explanation:

1. take the square root of 64

2. multiply 8*10 and 5*4

3. subtract

Square root of 64 is 8 so,

10*8 - 5*4

80 - 20 =

60

4 0
2 years ago
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