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Gennadij [26K]
3 years ago
13

Tracy solved the following problem. Which of the statements is true?

Mathematics
1 answer:
Inessa [10]3 years ago
7 0

it would be the third answer choice, when doing this you always make sure that there is multiplication or division you do those first going left to right, even if there is addition first, you still would do either multiplication or division first.

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Explain how to use the break apart strategy to find 247+358
KIM [24]
1. Set up the long addition.
  2 4 7
+3 5 8 
_______

2. Calculate 7+8, which is 15.
since 15 is two-digit, we carry the first digit 1 to the next column.
      1 
   2 4 7
+ 3 5 8 
________
          5
  
3. Calculate 4+5, which is 9. Now add the carry digit of 1, which is 10. Since 10 is two-digit, we carry the first digit 1 to the next column.
   1 1
   2 4 7
+ 3 5 8
________
       0 5

4. Calculate 2+3, which is 5. Now add the carry digit of 1, which is 6.
      1 1
      2 4 7 
    +3 5 8
    ______
      6 0 5

5. Therefore, 247 + 358 = 605.
   
               605
8 0
4 years ago
Read 2 more answers
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Irina18 [472]

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3 0
3 years ago
Use the change of base formula to evaluate log4 20.
Shalnov [3]
Your calculator probably only evaluates in base 10 (ln is base e but we won't use that today)

so
log_a(b)=\frac{log_c(b)}{log_c(a)}
where c is the new base
so if you wanted in base 10
log_4(20)=\frac{log_{10}(20)}{log_{10}(4)}
using calculator, that is about 2.16096
5 0
4 years ago
A side of the triangle below has been extended to form an exterior angle of 132°. Find
Juli2301 [7.4K]

Answer:

x=42

Step-by-step explanation:

so they u the exterior angle is 132

line makes 180 degree

180-132 =48

now they tell u a right angle

that is 90

triangles interior angles add up to 180

180-90-48=

42

<h3>Brainliest Please</h3>
8 0
3 years ago
Read 2 more answers
Omar divided a circular pizza into 8 equal sections. He gave his friend
Stolb23 [73]

Answer:

Editor’s Note (7/29/16): An earlier version of this story contained several biographical inaccuracies and did not give Jim Papadopoulos a chance to respond to the comment about his ability to finish things. Michael Papadopoulos moved his family to the United States more than a decade before taking a job at Oregon, not in 1967. Jim Papadopoulos spent a whole academic year at Oregon before starting at MIT. He did not write to bike companies asking for work until the 1990s. His time at the US Geological Survey was part of an internship, not a full-time job. The e-mail list he moderated was also founded by him, and is called Hardcore Bicycle Science. He has actually published three first-author papers, but just one related to bicycle science. He was also not given a chance to respond to a comment about his ability to finish things.

Seven bikes lean against the wall of Jim Papadopoulos's basement in Boston, Massachusetts. Their paint is scratched, their tyres flat. The handmade frame that he got as a wedding present is coated in fine dust. “I got rid of most of my research bikes when I moved,” he says. The bicycles that he kept are those that mean something to him. “These are the ones I rode.”

Papadopoulos, who is 62, has spent much of his life fascinated by bikes, often to the exclusion of everything else. He competed in amateur races while a teenager and at university, but his obsession ran deeper. He could never ride a bike without pondering the mathematical mysteries that it contained. Chief among them: What unseen forces allow a rider to balance while pedalling? Why must one initially steer right in order to lean and turn left? And how does a bike stabilize itself when propelled without a rider?

8 0
3 years ago
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