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Helga [31]
3 years ago
15

Giving brainliest!! *easy*

Mathematics
1 answer:
Sindrei [870]3 years ago
4 0

Surface area is 1256.64

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Frankie solved the math problem below. Find the error in Frankie's work and explain it in words, using math language. 2 1/3 - 1
HACTEHA [7]

Given:

The expression is

2\dfrac{1}{3}-1\dfrac{2}{5}

To find:

The error in Frankie's work.

Solution:

We need to simplify 2\dfrac{1}{3}-1\dfrac{2}{5}, so

2\dfrac{1}{3}=2\dfrac{1}{3}\times \dfrac{5}{5}

2\dfrac{1}{3}=2\dfrac{5}{15}

and,

1\dfrac{2}{5}=-1\dfrac{2}{5}\times \dfrac{3}{3}

1\dfrac{2}{5}=-1\dfrac{6}{15}

Now,

2\dfrac{1}{3}-1\dfrac{2}{5}=2\dfrac{5}{15}-1\dfrac{6}{15}

2\dfrac{1}{3}-1\dfrac{2}{5}=(2+\dfrac{5}{15})-(1+\dfrac{6}{15})

2\dfrac{1}{3}-1\dfrac{2}{5}=2+\dfrac{5}{15}-1-\dfrac{6}{15}

2\dfrac{1}{3}-1\dfrac{2}{5}=1-\dfrac{1}{15}

2\dfrac{1}{3}-1\dfrac{2}{5}=\dfrac{14}{15}

Therefore, there is error in Frankie's last step. In that step, he did not subtract the mixed fraction correctly.

8 0
3 years ago
Which ordered pair is a solution to the equation?
mezya [45]

Answer:

Step-by-step explanation:

4(4) = -7(-3) - 5

16 = 21 - 5

16 = 16

answer is D

7 0
3 years ago
I attached the picture of the problem I need solved fast ​
Mademuasel [1]
The answer to the equation is 5 7/15
4 0
4 years ago
Read 2 more answers
Hello please help i’ll give brainliest
malfutka [58]

Answer: ormally stated, Newton's third law is: For every action, there is an equal and opposite reaction

Step-by-step explanation: The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.

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3 years ago
To show that 4 points are vertices of a square which of the following must be shown
Jet001 [13]
Each side is 90 degrees
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