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zimovet [89]
3 years ago
12

Someone plzzzzz help me

Mathematics
1 answer:
Annette [7]3 years ago
6 0
6E1 divided by 2E-1 equals 300
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A poll agency reports that 27 % of teenagers aged 12-17 own smartphones. A random sample of 85 teenagers is drawn. Round your an
Paladinen [302]

Answer:

Mean = цр = 0.27

Step-by-step explanation:

Note: The full question is attached as picture below

Given that,  p = 27 = 0.27  and n = 85

цр = P

Mean = цр = 0.27

6 0
3 years ago
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nexus9112 [7]
I d k what this is but okay
3 0
2 years ago
2 - (7/8 - 3/4) what is the answer
Digiron [165]

Answer: hjhgxxhjhg

Step-by-step explanation:

7 0
3 years ago
A ball is thrown straight up with a initial velocity of 56 feet per second . The height , h , of the ball t seconds after it is
Tju [1.3M]

<span>Formula: H(t) = 56t – 16t^2   </span>

H(t) = - 16t^2 + 56t

<span><span>A.      </span>What is the height of the ball after 1 second? H (1) = 56(1) – 16(1) ^2 = 40 pt.</span>

<span><span>B.      </span>What is the maximum height? X = - (56)/2(- 16) = 1.75 sec h (1.75) = 56(1.75) – 16(1.75) ^2 h (1.75) = 49ft.</span>

<span><span>C.      </span><span>After how many seconds will it return to the ground? – 16t^2 + 56t = 0   - 8t =0 t = 0</span></span>

<span><span>-          </span><span>8t (2 + - 7) = 0     2t – 7 = 0  t = 7/2   Ans: 3.5 seconds</span></span>

3 0
3 years ago
The coordinates of the vertices of quadrilateral DEFG are D(−3, −1) , E(−6, 3) , F(3, 12) , and G(7, 9) .
nexus9112 [7]
Your answer is D.
Because there are no negative reciprocals, therefore there are no right angles.
7 0
3 years ago
Read 2 more answers
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