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m_a_m_a [10]
2 years ago
7

Systems of elimination for 2w-3q=8 3w-7q=7

Mathematics
1 answer:
zlopas [31]2 years ago
8 0

i guess is by multiplying 3by the first equation and multiply 2by the second equation

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h(t)=-5t^2+10t+3 is the height of a diver above the water, t seconds after the diver leaves the springboard. How high above the
Kobotan [32]

Answer:

3 units

Step-by-step explanation:

So if we want to know how high the spring board is, this will need to be the time at which the diver is still at the top of the board, in this case t = 0 seconds.

So we will need to find h(0)

  • h(0) = 5(0)² + 10(0) + 3 = 0 + 0 + 3 = 3
5 0
3 years ago
A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per
meriva

Answer:

CI = 29.8 ± 3.53

Critical value is z = 2.58

Step-by-step explanation:

First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

We are given;

Standard deviation; σ = 3.62

Sample size; n = 7

Mean; x¯ = 29.8

Now, z-value for 99% Confidence level is 2.58

Thus;

ME = (2.58 × 3.62)/√7

ME = 3.53

CI is written as;

CI = x¯ ± ME

CI = 29.8 ± 3.53

Critical value is z = 2.58

5 0
2 years ago
I need help with answers 5-11
Shtirlitz [24]
-6 is the correct answer
6 0
3 years ago
. Twelve coworkers go out for lunch together and order three pizzas. Each pizza is cut into eight slices. If each person gets th
fomenos

Answer: each person gets 2 slices of pizza

Step-by-step explanation: 3 pizza 8 slices each pizza 3•8=24 divided by 12=2

7 0
3 years ago
(GIVING BRAINLIEST!! Pls help answer the problem and not just the equation!)
Damm [24]

Answer:

1/8

1/2 divided by 4 = 1/8

Step-by-step explanation:

3 0
2 years ago
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