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valkas [14]
3 years ago
11

Help please, I’m way too stressed and can’t remember any math:((

Mathematics
2 answers:
Leviafan [203]3 years ago
6 0

Answer:

its 400 cuz 0.1 is tenth

Step-by-step explanation:

Makovka662 [10]3 years ago
3 0

Answer:

2.5 times 10 to the -4th power

Hope this helps!

Step-by-step explanation:

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Solve for x: x/25 > 5
WITCHER [35]

Answer:

x>125

Step-by-step explanation:

6 0
3 years ago
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I don’t get this one but the question was something about finding the equation.
Alina [70]

9514 1404 393

Answer:

  y = -(x -3)^2 +2

Step-by-step explanation:

The vertex form of the equation for a parabola is ...

  y = a(x -h)^2 +k

where the vertex is (h, k) and the value 'a' is a vertical scale factor.

The value of 'a' can be found by looking at the y-value of points ±1 either side of the vertex relative to the vertex. Here, the vertex y-value is +2 at x=3, and either side goes down 1 unit (to y=1) for 1 unit to the right or left. So, a = -1.

Using the values we've read from the graph for the vertex (h, k) = (3, 2) and the scale factor a = -1, we can write the equation as ...

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4 0
3 years ago
"Suppose that you are a city planner who obtains a sample of 20 randomly selected members of a mid-sized town in order to determ
frosja888 [35]

Answer: 2.093

Step-by-step explanation:

As per give , we have

Sample size : n= 20

Degree of freedom : df= n-1=19

Significance level : \alpha: 1-0.95=0.05

Since , the sample size is small (n<30) so we use t-test.

For confidence interval , we find two-tailed test value.

Using students's t-critical value table,

Critical t-value : t_{\alpha/2, df}=t_{0.025,19}=2.093

Thus, the critical value for the 95% confidence interval = 2.093

4 0
3 years ago
Please help i will mark brainly!!
steposvetlana [31]
The answer is that it is positive
6 0
3 years ago
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In the triangle below, Four-fifths represents which ratio?
vovangra [49]

Answer:

(A) sin C =\frac{4}{5}

Step-by-step explanation:

Opposite,AB = 4,

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Adjacent, AC = 3.

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8 0
3 years ago
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