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mixer [17]
3 years ago
15

Draw rectangles to show 3 1/2

Mathematics
1 answer:
Nataliya [291]3 years ago
5 0
Just draw three rectangles and a half of one

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Find the inverse of {(4, -1), (3, -2), (6, 9), (8, 5)}.
katen-ka-za [31]

Answer:

A∣=3(8−7)+1(−2−4)=3−6=−3

co-factor matrix =

⎣

⎢

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Adj.A=

⎣

⎢

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⎡

−1

−4

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5

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⎦

⎥

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A

−1

=

∣A∣

1

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3

−1

⎣

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−1

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1

5

23

−11

3

12

−6

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6 0
3 years ago
Alex and Josh rode bikes. Alex rode 15 miles in 55 minutes. Josh rode 77 minutes at a faster rate per mile than Alex. Find Alex'
Helga [31]

Answer:

a) x = \frac{11}{3}\,\frac{min}{mi}, b) y = \frac{77}{15}\,\frac{min}{mi}

Step-by-step explanation:

a) The indicator is equal to the ratio of total time to travelled distance:

Alex

x = \frac{55\,min}{15\,mi}

x = \frac{11}{3}\,\frac{min}{mi}

b) In the case of Josh, the ratio must be greater than x. Then:

y = \frac{77\,min}{15\,mi}

y = \frac{77}{15}\,\frac{min}{mi}

8 0
4 years ago
How many 14 inch cubes does it take to fill a box with width 314 inches, length 234 inches, and height 114 inches?
Nesterboy [21]

Answer:

Step-by-step explanation:

First you need to find the area then divide that by 14

3 0
3 years ago
Helpppp:)
Serhud [2]

Answer:

Is it B

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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