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nlexa [21]
3 years ago
13

Help and thxxxxx thx

Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0
1. 4.0
2. 9.2, 9.19 are your answers
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Can someone check this for me? Thanks.
marta [7]
Yes it's SAS
AD = CD (given)
BD = BD (common side )
but since it didn't say AC丄BD
it's no way to prove the angels r 90° :/

but as it already given AD= CD
so it's proven that it's an isosceles triangle
therefore
∠BAD = ∠BCD (base ∠s isos. ∆)

therefore it's SAS (side angel side)
8 0
3 years ago
Kelly lives 2 miles away from school. Harry closer to the school than Kelly. Which could be the distance that harry lives from s
riadik2000 [5.3K]

Answer:

D. 3,461

Step-by-step explanation:

There are 3520 yards in two miles and 3,461 yards is less than 3,520... meaning that he lives closer to the school.

3,461 < 3,520

3 0
3 years ago
If p-1/p=2, find the value of p^3+1/p^3. ​Help me fast.
tekilochka [14]

Answer:

\\\\\frac{P^3 \ + \ 1}{P^3} = 0

Step-by-step explanation:

Given;

\frac{P-1 }{P} = 2\\\\From \ the \ equation \ above \ we \ determine \ the \ value \ of \ p \ as \ follows;\\\\P-1 = 2P\\\\P-2P = 1\\\\-P = 1\\\\P = -1

Now\ solving \ the \ given \ question;\\\\\frac{P^3 \ + \ 1}{P^3} \\\\Substitute \ the \ value \ of \ "P" \ into \ the \ equation;\\\\\frac{P^3 \ + \ 1}{P^3} = \frac{(-1)^3 \ + \ 1}{(-1)^3} = \frac{-1 \ + \ 1}{-1} = \frac{0}{-1} = 0

4 0
3 years ago
Which expression is equivalent to 3+2(x+4)(x-4)?
azamat
It is 5 becuase 5 times 1 is 5
3 0
3 years ago
Consider the expansion of (a + b)^12. Determine the coefficients for the terms with the powers of a and b shown.
ratelena [41]

Answer:

The answer to your question is:

Step-by-step explanation:

                                             (a + b)¹²

a¹² + 12a¹¹b + 66a¹⁰b² + 220a⁹b³ + 495a⁸b⁴ + 792a⁷b⁵ + 924a⁶b⁶ + 792a⁵b⁷

+ 495a⁴b⁸ + 220a³b⁹ + 66a²b¹⁰ + 12ab¹¹ + b¹²

a. a²b¹⁰   = 66

b. a⁵b⁷   = 792

c. a⁸b⁴ = 495

4 0
3 years ago
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