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Mars2501 [29]
2 years ago
8

Which value c makes the expression x² + 2x + c a perfect square trinomial?

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
4 0

Answer:

<u>A</u>

Step-by-step explanation:

Taking c = 1 :

  • x² + 2x + 1
  • x² + x + x + 1
  • x(x + 1) + 1(x + 1)
  • (x + 1)(x + 1)
  • (x + 1)² ⇒ Perfect square trinomial
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When cai traveled from new orleans to the ozark mountains in arkansas the elevation changed from 7ft below sea level to 2,314 ft
Tanya [424]

Answer:

2321 ft.

Step-by-step explanation:

When Cai traveled from New Orleans to the Ozark Mountains in Arkansas the elevation changes from 7 ft below sea level to 2314 ft above sea level.

If we consider the elevation below sea level as negative and the elevation above sea level as positive, then the elevation changes from - 7ft to +2314 ft.

Therefore, the increment of elevation is by [2314 - (- 7)] = 2321 ft. (Answer)

7 0
3 years ago
Find the quotient:<br> a 3 ft 4 in<br> b 3 ft 9 in<br> c 4 ft<br> d 3 ft 8 in
Mekhanik [1.2K]

Answer:

3ft 4in

Step-by-step explanation:

2÷6=3 6÷8=0.75. 2×6=12. 12-6=6 6-2=4 4-1=3 3-1=2

6 0
3 years ago
Please answer this (:
svetlana [45]
Since we know that there is a 1 in 12 chance that the spinners will land on "4" and "C" and we know the total amount of spins is 240, we can find one twelfth of 240. To do so, you multiply 240 by 1/12 which is the same as 240/12. This can be simplified to 20 through division. Therefore, the answer is 20 times.

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7 0
3 years ago
Can anyone help me with this question please <br> I will mark as a brainliest.
Scorpion4ik [409]

Answer:

I think it is A.

Step-by-step explanation:

8 0
3 years ago
3 ÷ 1/2= 1 ÷ 1/4= 1/2÷2= <br>1/3÷4= 2÷1/6= 1/4÷3=​
Alchen [17]
3/ 1/2 = 6 1 / 1/4 = 4 1/2 / 2 = 1/4
1/3/ 4 = 1/12 2/ 1/6 =12 1/4 /3 = 1/12
4 0
3 years ago
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