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KATRIN_1 [288]
2 years ago
8

If you multiply me by 4 and increase that value by 6, I am 34! What's my number?

Mathematics
2 answers:
Vladimir [108]2 years ago
7 0

Answer:

7

Step-by-step explanation:

Seven times four equals 28 plus six equals 34 please make me brainliest :3

Travka [436]2 years ago
3 0

Answer:

7

Step-by-step explanation:

<em>34-6=28</em>

<em> 28/4=7</em>

hope this helps!

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Mathematical Statistics with Applications Help Homework
Mars2501 [29]

7.43: Let X denote the random variable for height and \overline X for the sample mean. Then if \mu is the mean of

So the probability that the difference between the sample and population means does not exceed 0.5 inch is

P(|\overline X-\mu|\le0.5) = P\left(\left|\dfrac{\overline X-\mu}{0.25}\right|\le\dfrac{0.5}{0.25}\right) = P(|Z|\le 2) \approx \boxed{0.95}

per the empirical or 68/95/99.7 rule.

7.44: For a sample of size <em>n</em>, the sample standard deviation would be \frac{2.5}{\sqrt n}. We want to find <em>n</em> such that

P(|\overline X-\mu| < 0.4) = 0.95

Comparing to the equation from the previous part, this means we would need

\dfrac{0.4}{\frac{2.5}{\sqrt{n}}} = 0.16\sqrt n = 2 \implies \sqrt n = 12.5 \implies n = 156.25

so a sample of at least 157 men would be sufficient.

7 0
3 years ago
HELP I WILL MARK U BRAINEST what is (29/59)*(42/24)<br> btw / means divide
Ivahew [28]

Answer:

0.86.

Step-by-step explanation:

Calculator.

5 0
3 years ago
Read 2 more answers
Can someone please help me with #2?​
Norma-Jean [14]

For problem 2, you are correct in stating that a curve forms. Specifically, if we were to trace along the outer edge of the shape, then we'd form a <u>parabola</u> that has been tilted 45 degrees compared to the more familiar form that students are taught (where the axis of symmetry is vertical).

For more information, search out "Tangent method for parabolas". As the name implies, the tangent method draws out the tangents of the parabola which helps form the parabola itself.

Everything else on your paper is correct. You have problem 1 correct, and the table is filled out perfectly. Nice work.

4 0
2 years ago
A parabola has a vertex at (4, 0) and passes through the point (6, 1). Which of the following is the equation of this parabola i
Doss [256]
Easy

y=a(x-h)^2+k
vertex is (h,k)
we know that vertex is (4,0)
input that point for (h,k)
y=a(x-4)^2+0
y=a(x-4)^2
passes thorugh the point (6,1)
input that point to find a
1=a(6-4)^2
1=a(2)^2
1=a(4)
divide both sides by 4
1/4=a

thefor the equation is
y=(1/4)(x-4)^2
or
y=(1/4)x^2-2x+4
7 0
3 years ago
(-3+x) divided by 2= negative one half
Arlecino [84]

Answer:

are u trying to find x?

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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