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vfiekz [6]
3 years ago
7

What is (7y+6x)(−7y-6x)

Mathematics
1 answer:
EleoNora [17]3 years ago
4 0
See attache picture for answer

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Triangles and angles<br> Pls help
AleksandrR [38]

Answer:

The two bottom angles of this triangle are both represented by the same variable, in this case, an x. This means, that both of the bottom angles are equal to each other.

So we have:

32 + x + x = 180 (since the TOTAL angles of a triangle adds up to 180)

32 + 2x = 180 (combine the 2 x's together)

2x = 148 (subtract a 32 from both sides)

x = 74

Let me know if this helps!

4 0
3 years ago
Evaluate each expression please help(the crossed out ones are irrelevant)
olga nikolaevna [1]
9. 31 + 5 = 36
10. 16 - 4 = 12
12. 9
13. 44 + 34 = 78
14. 101 - 1 = 100

15. -539 ??? 
16. 15 ??
17. |-435| = 435
7 0
3 years ago
1 Select the correct answer. Kalid simplified a polynomial expression as shown. (6x3 + 8x2 − 7x) − (2x2 + 3)(x − 8) step 1 (6x3
Eva8 [605]

Answer:

So, the step1 is correct.

Step-by-step explanation:

The expression is

(6 x^3 + 8 x^2 - 7 x)-(2x^2 + 3)(x- 8)\\\\(6 x^3 + 8 x^2 - 7 x) - (2x^3 - 16  x^2 + 3 x - 24)\\\\6 x^3 + 8 x^2 - 7 x - 2 x^3 - 16 x^2 + 3 x - 24\\\\4 x^3 - 8 x^2 - 4 x - 24

So, the step 1 is correct.

3 0
3 years ago
8. In a large population, 63% of the people have been vaccinated. If 4 people are randomly selected, what is the probability tha
Ludmilka [50]
The probability that none of the four have been vaccinated is
  (1-0.63)^4 = 0.01874161

The probability that at least one has been vaccinated is the complement of this,
  ≈0.9813
3 0
3 years ago
SUPER EASY just need a percentage. WILL GIVE BRAINLY
schepotkina [342]
EL ESPANOL DU NARDE ES SI YAS MIASDAS
7 0
3 years ago
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