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klasskru [66]
3 years ago
5

Cho hệ các vector U=(1;2;n)(0;-1;1-n)(2;3;n+1)(1;0;2-n) a. Tìm số chiều và cơ sở w của không gian con sinh bởi hệ vector U

Mathematics
1 answer:
Sedbober [7]3 years ago
7 0

Answer:

NHẬN PDF VÀ NHẬN CÂU TRẢ LỜI

VUI LÒNG ĐƯA TÔI Ở BRAINLIEST

Step-by-step explanation:

Download pdf
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(4/3a - 3c - 5b) + (-a-2b+4c)
Darina [25.2K]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>1/3a + c - 7b</em>

▹ Step-by-Step Explanation

(4/3a - 3c - 5b) + (-a - 2b + 4c)

<u>Remove the parentheses</u>

(4/3a - 3c - 5b) + (-a - 2b + 4c)

<u>Rewrite</u>

4/3a - 3c - 5b - a - 2b + 4c

<u>Calculate</u>

1/3a - 3c - 5b - 2b + 4c

<u>Final Answer</u>

1/3a + c - 7b

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

5 0
4 years ago
if 3/4 of a cup of water fills 2/3 of a plastic container, how many containers can you fill with one cup of water?​
Luda [366]

Answer:

1 cup of water will fill = \frac{8}{9} of the plastic container.

Step-by-step explanation:

Given :

\frac{3}{4} of a cup of water fills \frac{2}{3} of a plastic container.

To find number of containers that can be filled with 1 cup of water, we will use unitary method.

if \frac{3}{4} of a cup of water fills \frac{2}{3} of a plastic container.

Then 1 cup of water will fill = \frac{2}{3}\div \frac{3}{4} of a container.

Dividing fractions.

\frac{2}{3}\div \frac{3}{4}

Replacing division with multiplication by taking reciprocal of the divisor.

\frac{2}{3}\times \frac{4}{3}

Multiplying the numerators and denominators.

\frac{2\times4}{3\times3}

\frac{8}{9}

∴ 1 cup of water will fill = \frac{8}{9} of the plastic container.

5 0
3 years ago
Pls help i only have the area for shape 2 pls correct me if im wrong
RSB [31]

Answer: This is equivalent to 100% correct

Don’t know what you did there but is the scoreStep-by-step explanation:

7 0
3 years ago
Read 2 more answers
A survey was conducted that asked 1002 people how many books they had read in the past year. results indicated that x overbar eq
Shalnov [3]
The confidence interval would be (10.44, 12.16).  This means that if we take repeated samples, the true mean lies in 90% of these intervals.

To find the confidence interval, we use:
\overline{x} \pm z*(\frac{\sigma}{\sqrt{n}})

We first find the z-value associated with this.  To do this:
Convert 90% to a decimal:  90% = 90/100 = 0.9
Subtract from 1:  1-0.9 = 0.1
Divide by 2:  0.1/2 = 0.05
Subtract from 1:  1-0.05 = 0.95

Using a z-table (http://www.z-table.com) we see that this is directly between two z-scores, 1.64 and 1.65; we will use 1.645:

11.3 \pm 1.645*(\frac{16.6}{\sqrt{1002}})&#10;\\&#10;\\11.3 \pm 0.86&#10;\\(11.3-0.86, 11.3+0.86)&#10;\\(10.44, 12.16)
3 0
4 years ago
Please help 14 points
ELEN [110]

Answer:

3 over 8 (0.375)

8 0
3 years ago
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