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adelina 88 [10]
3 years ago
14

(04.05)

Mathematics
1 answer:
algol133 years ago
6 0
So I think it is Dwat u think it is
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Yepa is solving 1.6 ÷ 6.4.
Softa [21]

Answer:

1/4=0.25

Step-by-step explanation:

4 0
3 years ago
An article in an educational journal discussing a non-conventional high school reading program reports a 95% confidence interval
Maksim231197 [3]

Answer:

The margin of error associated with this confidence interval is 20

Step-by-step explanation:

A confidence interval has two bounds, a lower bound and an upper bound. The interval is symmetric, which means that the margin of error is the difference between these two bounds(upper - lower), divided by 2.

In this problem, we have that:

Lower bound: 520

Upper bound: 560

Determine the margin of error associated with this confidence interval.

(560 - 520)/2 = 20

The margin of error associated with this confidence interval is 20

6 0
3 years ago
The elevation E, in meters, above sea level at which the boiling point of a certain liquid is t degrees Celsius is given by the
otez555 [7]
Given function is 

E(t) = 1100(80 - t) + 500(80 - t)^2

At t= 79.5 degree.

So we can place t= 79.5 in given equation

E(79.5) = 1100 (80 - 79.5) + 500* (80 - 79.5)^2

                    = 1100 * 0.5 + 500 * (0.5)^2
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                    = 550 + 125 = 625

So elevation equal to 625 meter at t = 79.5 degree.


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3 years ago
Solve.<br> -5 3/4 - 3 1/2
butalik [34]

Answer:

The answer is

- 9 \frac{1}{4}

7 0
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____ 1. 8 x 8 = (4 x 8) + (4 x 8)
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I am pretty sure the answer is b
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