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nydimaria [60]
3 years ago
12

I need help with matching these vocabulary words​

Mathematics
1 answer:
balandron [24]3 years ago
8 0

46. A matrix equation

47. C. square matrix

48. B. Preimage

49. E. Scalar multiplication

50. D. multiplication identity matrix

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A 70 cm long stick is cut into two parts in such a way that the longer part is 20 cm longer than the shorter part. How long is e
Dahasolnce [82]

Answer:

Long part= 45

Short part= 25

Step-by-step explanation:

Let the short part of the stick be x

Let the long part be x+20

The total length of the stick is 70cm

x + (x+20)= 70

x+x+20= 70

2x+20= 70

2x= 70-20

2x= 50

x= 50/2

= 25

Longer part length= 20+25

= 45

The short part is 25

5 0
2 years ago
How do you interpret algebraic expressions in terms of their context
NNADVOKAT [17]
Well, it really depends on the context they are in. For instance,
2x^2 + 3x is different than 2xyt + 3xy + 2xyt or
y = 2x + 5 or 2x^3 + 2x^2 + 4x + 4 They all are interpret differently. For instance, one is a line, another is a square and one is a cube.


6 0
3 years ago
Read 2 more answers
Researches notice a grey whale cruising at a depth of 2333 feet below sea level. It rises 73 feet and then comes up another 40 f
Karo-lina-s [1.5K]

Answer:

2220

Step-by-step explanation:

you subtract 2333-73=2260

then subtract 2260-40=2220

6 0
3 years ago
What is the percentage of 45/100?
kotykmax [81]
Percent=out of 100
45/100=45/
6 0
3 years ago
2)
Fudgin [204]

Answer:

k

Step-by-step explanation:

8 0
3 years ago
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