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3 years ago

Cuanto es 15 más 15 multiplicado por 2

Mathematics

1 answer:

DENIUS [597]3 years ago

3 0

Answer:

Step-by-step explanation:

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What is the reciprocal of 9/10 as a mixed numeral?

Alika [10]

Reciprocals are technically flipped fractions. So it would be 10/9. 9 goes into ten one time, so it's 1 1/9.

5 0

3 years ago

Exponents and roots are what operations

dalvyx [7]

Answer:

An exponent

Step-by-step explanation: So if we have 83, we want to multiply three 8s, or 8 * 8 * 8. A root is basically the opposite. We're trying to find the number that we multiply by itself a certain number of times to get the number under the radical sign.

8 0

3 years ago

Construct a 99% confidence interval for the population standard deviation of white blood cell count (in cells per microliter). A

kogti [31]

Answer:

The correct option is 1.148 < σ < 6.015

Explanation:

The 99% confidence interval for the standard deviation is given below:

$\sqrt{\frac{(n-1)s^{2}}{\chi^{2}_{\frac{0.01}{2} }} }$

Where:

$\chi^{2}_{\frac{0.01}{2} }=18.548$

$\chi^{2}_{1-\frac{0.01}{2}}=0.676$

Therefore, the 99% confidence interval is:

$\sqrt{\frac{(7-1)2.019^{2}}{18.548} }$

$1.148$

Therefore, the option 1.148 < σ < 6.015 is correct

3 0

3 years ago

1. What are the coordinates of the circumcenter of a triangle with vertices A(0,1), B(2, 1) , and C(2, 5) ?

LenKa [72]

1. What are the coordinates of the circumcenter of a triangle with vertices A(0,1), B(2, 1) , and C(2, 5) ?

2. What are the coordinates of the centroid of a triangle with vertices A(−6, 0) , B(−4, 4) , and C(0, 2) ?

4 0

3 years ago

Write an equation whose graph is a line perpendicular to the graph of x = -7 and which

Travka [436]

Answer:

y = 1

They will pass through each other perpendicular, also you can look up graph in chrome and use a free graph.

Step-by-step explanation:

3 0

3 years ago