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Levart [38]
3 years ago
13

Part B A different student claims that the expression 59.2xy is equivalent to the teacher’s expression. The student’s reasoning

is below. The expression 59.2xy is equivalent to the teacher’s expression because both expressions have the same value when x = 1 and y = 1. This means that the two expressions are equivalent. ● Explain which part of the student’s reasoning is correct. ● Explain which part of the student’s reasoning is incorrect. ● Give an example using different values for x and y to support your answer. Write your answer and explanation below.
Mathematics
1 answer:
nadya68 [22]3 years ago
8 0

Answer:

I think the part he has correct is when they are equal because they intersect at a coordinate, but, he is incorrect because the teacher's expression could be different

Step-by-step explanation:

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saveliy_v [14]

Answer:

1st Picture: d = -16

2nd Picture: g = -13.8

Step-by-step explanation:

1st Picture: Divide both sides by -11 to balance both sides and get the answer.

2nd Picture: Subtract 1.2 from both sides.

8 0
3 years ago
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Round the number to the place value given. 1,370,945 rounded to the ten-thousand is.
Monica [59]

Explanation:

The question requires that we round the given number to Ten-thousand

To do so, we will have to write the place values of the numbers first

Next, we find the digits before the Ten-thousand digits and then approximate the value

One of the principles to use is that

numbers from 0 to 4 are rounded to 0

while numbers from 5 to 9 are rounded to 1

In our case, The thousand digit is 0, so we round down to 0, then we add to the Ten-thousand digits and convert each of the numbers before the Ten-thousand digits to 0

Thus, we will have

1,370,000

Hence, the answer is 1,370,000

7 0
1 year ago
What is the sum of the first 20 terms of the series 3 + 14 + 25 + 25 + 36 +
Fynjy0 [20]

Answer:

S _{20} = 2150

Step-by-step explanation:

a _{1} = 3 \\ a _{2} = 14 \\ d = a _{2} - a_{1}  = 14 - 3 = 11 \\ n = 20

S _{n} =  \frac{n}{2} (2a + (n - 1)d) \\  \\ S _{20} =  \frac{20}{2} (2(3) + (20 - 1) \times 11) \\  \\ S _{20} = 10 \times (6 + 19 \times 11) \\ S _{20} = 10 \times (6 + 209) \\ S _{20} = 10 \times 215 \\ S _{20} = 2150

6 0
3 years ago
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Which pair of vectors is orthogonal?
murzikaleks [220]

Answer:

⟨3, –5⟩ and ⟨6, –10⟩

Step-by-step explanation:

⟨3, –5⟩ cross ⟨6, –10⟩ = 0

⟨2, –3⟩ cross ⟨9, –6⟩ = 15

⟨–2, 3⟩ cross ⟨–6, –4⟩ = 26

⟨–5, 4⟩ cross ⟨–4, –2⟩ = 26

⟨3, –5⟩ and ⟨6, –10⟩

3 0
3 years ago
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Which graph correctly shows a line of best fit for the points graphed?
Fantom [35]

Answer:

the third one

Step-by-step explanation:

it's the third one because it touches most of the points

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6 0
2 years ago
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