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Kisachek [45]
2 years ago
13

Help please i donit know the answer

Mathematics
2 answers:
Svetlanka [38]2 years ago
4 0

Answer:

96°

Step-by-step explanation:

Opposite angles in a parallelogram are equal.

Sliva [168]2 years ago
4 0

Answer:

hi

Step-by-step explanation:

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To prove ABC= ADC, To prove which triangle postulate could you use?
Kay [80]

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ASA

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6 0
3 years ago
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Which of the following quantities are inversely proportional? WILL GIVE BRAINLIEST AND 25 POINTS
RoseWind [281]

Answer:

I believe the answer is D

Step-by-step explanation:

Inverse proportion occurs when one value increases and the other decreases

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5 0
2 years ago
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Factors of x3 – 9x2 + 5x – 45 by grouping
kati45 [8]
Important:  Use the symbol "^" to denote exponentiation:

<span>x3 – 9x2 + 5x – 45        NO
</span><span>x^3 – 9x^2 + 5x – 45    YES

Look at the first 2 terms.  They can be rewritten as x^2(x-9).  Then look at the last 2 terms.  They can be rewritten as 5(x-9).  So, x-9 is the common factor here.   Thus, the original expression becomes:

(x^2-5)(x-9).

Note that x^2-5 can be factored, so that the final 3 factors are:

(x-sqrt(5)), (x+sqrt(5)), (x-9).</span>
8 0
2 years ago
Find the total surface area of this triangular prism
Mnenie [13.5K]

Answer:

<h2><u><em>144 cm²</em></u></h2>

Step-by-step explanation:

6 * 8 + 10 * 4 + 8 * 4 + 6* 4 =

144 cm²

first i found the area of ​​the triangle without dividing by two because they are one on each side

6 0
2 years ago
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A four digit number (with no repetitions) is to be formed from the set of numbers {0,1,2,3,4,5,6,7}. Find the probability that t
QveST [7]
Even # --------- if it ends with 0, # of ways = 6*5*4 = 120 if not, 3 ways for ending digit, 5 ways for 1st digit, 5*4 for middle digits = 300 
so total ways = 420 
odd # --------- 4 ways of ending digit, 5 ways for 1st digit, 5*4 for middle digits = 400 ways 
< 4000: ---------- 3 ways for starting digit, 6*5*4 ways for remaining digits = 360 ways 
> 3000 & < 4000 ------------------------ 1 way for starting digit , 6*5*4 for remaining digits = 120 ways 
5 0
2 years ago
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