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goldenfox [79]
3 years ago
15

ABCD is a trapezium with AB parallel to DC.

Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer:

Step-by-step explanation:a or b ?

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I need help with 33 and 34
kenny6666 [7]
EDIT: Picture

33) When adding matrices, just add the numbers that are in the same spot. In this problem we are given A and C, and we are asked to find B if A + B = C

So B = C - A

\left[\begin{array}{ccc}2&-1&-3\\1&4&-2\\\end{array}\right] - \left[\begin{array}{ccc}4&9&-2\\-3&5&7\\\end{array}\right] = \left[\begin{array}{ccc}-2&-10&-1\\4&-1&-9\\\end{array}\right]

34) When multiplying matrices, the number of columns in the first matrix needs to be the same as the number of rows in the second matrix. Then the outcome will have the same number of rows as the first matrix and same number of columns as the second matrix. In this case, the result will be a 2x2.

6 0
3 years ago
How much is 70% of 140 ?<br><br>thankyou ~​
Paul [167]

Answer:

98

Step-by-step explanation:

Of means multiply

70% * 140

.70 * 140

98

3 0
2 years ago
Read 2 more answers
Please help, Calculate the pay for the following day of a
Montano1993 [528]
They made $126.75 on Monday
7 0
3 years ago
Which polynomial is prime?<br><br> a) x2 – 36<br> b) x2 + 6<br> c) x2 – 7x + 12<br> d) x2 – x – 20
Misha Larkins [42]

Answer:

B

Step-by-step explanation:

I don't know but I know it's b I think so

6 0
2 years ago
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What are the solutions to 6(x - 5) = 12 and 6y - 5 = 12?
zepelin [54]

Answer:x=7

y=2 5/6

Step-by-step explanation:

6(x-5)=12

6x-30=12

6x=12+30

6x=42

6x/6=42/6

x=7

6y-5=12

6y=12+5

6y=17

6y/6=17/6

y=2 5/6

7 0
3 years ago
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