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Aleonysh [2.5K]
3 years ago
11

Which polynomial identity will prove that 49 − 4 = 45?

Mathematics
1 answer:
nika2105 [10]3 years ago
7 0
Answer:
Option A is correct
Difference of squares identity should be used to prove 49-4 =45
Step-by-step explanation:
Prove that : 49 - 4 = 45
Polynomial identities are just equations that are true, but identities are particularly useful for showing the relationship between two apparently unrelated expressions.
Difference of the squares identity:
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Find the area of the parallelogram that has a base of 2 1/2 feet and a height of 1 1/4 feet
blagie [28]

Answer:

3 1/8 ft²

Step-by-step explanation:

The area of a parallelogram is equal to the product of its base and its height.

b × h

2.5 × 1.25

= 3.125

The area is 3.125 feet².

4 0
3 years ago
Will mark Brianliest please answer :)
Brilliant_brown [7]

Answer:

3.5×10^4=35000

Step-by-step explanation:

Consider the value

3.5

we are saying that we are counting in units (1's) in that we have

3

1

2

of 1's

'.....................................................................................

Consider the value

3.5

×

10

. Now we are saying we have

3

1

2

of tens. That is; 3 lots of 10 is 30 and

1

2

of 10 is 5 so we have

30

+

5

=

35

'.................................................................................

Note that

10

2

is 100

Consider the value

3.5

×

10

2

. Now we are saying we have

3

1

2

of

100

'

s

So if we are counting in 100's then the decimal point stays where

it is and we move the number of 3.5 to the left until the

3 becomes hundreds.

Note that we have to insert a place holder of 0 just to the left of the decimal point to make sure the three is viewed as in the hundreds.

3.5

×

10

2

−−−−−−−−−−−−−−−−−−→

slide to the left 2 places

350.0

6 0
3 years ago
TEST QUESTION PLS HELP!
Marat540 [252]
It should be f since you can subtract from both sides and divide by negative 1
8 0
3 years ago
What is the sum, in lowest terms?
m_a_m_a [10]

Answer:

1/2 + 3/4 + 11/4 +11/4

=27/4

3 0
3 years ago
If 33 laptops cost 30,000, what proportion could be used to determine the cost of 11 laptops?
andre [41]

Answer:

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Step-by-step explanation:

6 0
2 years ago
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