3 years ago

Which of the following are techniques used in geometric constructions with

Mathematics

2 answers:

Alisiya [41]3 years ago

6 0

Answer= A
Explication

Makovka662 [10]3 years ago

3 0

Answer:

The answer is A and B......

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Which equation can be used to solve the matrix equation [1/2 -1/4 2 3/4] [x y] = [2 -4 1 6]

Musya8 [376]

Answer:

Use a matrix equation to solve the system of linear equations: -2x + 4y= 2, -3x+7y=7 *

7 0

3 years ago

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write sixty-nine million fifty-eight thousand, two hundred nineteen and three hundredths in standard form show your work will ma

KIM [24]

69,058,219.03

In standard form,

$6.905821903 \times {10}^{7}$

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3 years ago

What is the interquartile range if the data set? 5,911,13,16,16,19,21

max2010maxim [7]

Answer:

Step-by-step explanation:

5,9,11,(13,16),16,19,21

the mean(middle number) = (13 + 16) / 2 = 29/2 = 14.5

Q1 = (9 + 11) / 2 = 20/2 = 10

Q3 = (16 + 19) / 2 = 35/2 = 17.5

interquartile range (IQR) = Q3 - Q1 = 17.5 - 10 = 7.5 <==

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2 years ago

Explain how I would use Distributive Property (GCF) to factor the following expression: 4m + 16

taurus [48]

Answer:

4(m+4)

Step-by-step explanation:

4m+16

Rewriting

4*m + 4*4

Factor out 4

4(m+4)

6 0

3 years ago

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47+ ...?

Alex

Answer:

$\huge\boxed{18,475}$

Step-by-step explanation:

The terms of this sum make the arithmetic sequence.

The fomula of a sum of <em>n</em> terms of an arithmetic sequence:

$S_n=\dfrac{[2a_1+(n-1)d]\cdot n}{2}$

We have

$a_1=2\\d=17-2=32-12=47-32=15\\n=50$

Substitute:

$S_{50}=\dfrac{[2\cdot2+(50-1)\cdot15]\cdot50}{2}=(4+49\cdot15)\cdot25=(4+735)\cdot25\\\\=739\cdot25=18,475$

3 0

3 years ago