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adoni [48]
3 years ago
8

7ft = __ inches. Show work

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

Step-by-step explanation:

12 inches is in a foot

10 x 7= 70

2 x 7= 14

70+14=84

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MATRECIES: Suppose ={u,v,w}⊆R3 is linearly independent. Determine if the set 4 ={u, v, v−w, u+v+w} is linearly independent or li
AlladinOne [14]

The set is linearly dependent.

To explicitly prove this, we need to show there is at least one choice of constants c_1,c_2,c_3,c_3\in\Bbb R such that

c_1 u + c_2 v + c_3(v-w) + c_4(u+v+w) = 0

or equivalently,

(c_1 + c_4) u + (c_2 + c_3 + c_4) v + (-c_3 + c_4) w = 0

which is the same as solving the system of equations

\begin{cases} c_1 + c_4 = 0 \\ c_2 + c_3 + c_4 = 0 \\ -c_3 + c_4 = 0 \end{cases}

From the first and last equations, we have c_1=-c_4 and c_3=c_4. Substituting these into the second equation leaves us with c_2-2c_1=0, and so the overall solution set is

c_1 = \dfrac12 c_2 = -c_3 = -c_4

for which there are infinitely many not-all-zero solutions.

3 0
1 year ago
In the next election, 15,000 people will actually vote for Candidate A. A poll has a percent error of 4%. Which statement descri
salantis [7]

The poll has an error of 600 votes. The total number of votes including the error shown by the poll is 15600 or 14400.

Statement B is correct.

<h3>What is the percentage?</h3>

A percentage can be defined as a relative number that shows the hundredth part of the given number. The percentage is represented by the sign "%".

Given that In the next election, 15,000 people will actually vote for Candidate A. A poll has a percent error of 4%.

The error can be calculated as given below.

error = 15000 \times \dfrac {4}{100}

error = 600

The poll has an error of 600 votes. This will affect the total number of votes in the election.

The total number of votes V including errors are given as,

<em />

<em />V = 15000 +/- error

V = 15000 + 600 = 15600

or

V = 15000-600 = 14400

Hence we can conclude that the total number of votes including the error shown by the poll is 15600 or 14400. Statement B is correct.

To know more about the percentage, follow the link given below.

brainly.com/question/8011401.

<em />

5 0
2 years ago
Eighteen percent of apples grown in an orchard have defects. Let X = the number of apples that are randomly inspected from the o
KonstantinChe [14]

Answer:

0.219 or 21.028%

Step-by-step explanation:

0.18 are defective, so

P(x=1) = 0.18

P(x=2) = 0.18^2 = 0.0324

P(x=3) = 0.18^3 = 0.005832

P(x=4) = 0.18^4 = 0.00104976

Then add them together: 0.21928176

6 0
2 years ago
This is for today help!!!!
Travka [436]

Answer:

Part A 73  Part B 113

Step-by-step explanation:

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B8%7D%2B2%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{8}+2\sqrt{3}" alt="\sqrt{8}+2\
Inessa05 [86]
Mark Brainliest please

Answer : 6.29252873

5 0
3 years ago
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