1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Feliz [49]
3 years ago
13

Add the following conceptually and using the standard algorithm 57+58

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0
The standard algorithm in the US (though this might not be the standard everywhere) is to add the digits in the ones place (carrying the 1 - which represents 10 - if their sum is 10 or more), then to move to the tens place and add the digits there (again carrying the one if their sum is more than 10 - though in this case the one that represents 100) and then we move to the hundreds place and so on.

So, let's do this with the numbers given. 57+58. We would line these up one over the other so that the digits 8 and 7 which are in the ones place are above each other. We add these and get 15 which is one ten and five ones. The 5 gets put down and the 1 gets carried over. Now we focus on the digits in the tens place (here 5 and 5). We add these and to their sum add the 1 we carried. This gives us 11 (but in actuality it means 110). We bring down the leftmost 1 and carry the other. There are no digits in the hundreds place so we being down the 1 we carried earlier.

This gives us an answer of 115.
You might be interested in
Donna earns $1,404 per week at her job. However, 19% of her income gets taken out in taxes, and 12% of her income gets taken out
adoni [48]

Answer: $980

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A box has a volume of 308 cm cubed. Its height is 4 cm greater than its length. Its length is 3 cm greater than its width. What
kifflom [539]

Answer:

4 cm.

Step-by-step explanation:

Given:

A box has a volume of 308 cm cubed.

Its height is 4 cm greater than its length.

Its length is 3 cm greater than its width.

Question asked:

What is the width of the box?

<u>Solution</u>:

Let width  = x\ cm

Length = x+3\ cm

Height = x+3+4=x+7\ cm

<u>As we know:</u>

<u />Volume\ of\ box=length\times width\times height

308=(x+3)\times x\times(x+7)\\ \\ 308=(x^{2} +3x)(x+7)\\ \\ 308=x^{2} (x+7)+ 3x(x+7)\\ \\ 308=x^{3} +7x^{2} +3x^{2} +21x\\ \\ 308=x^{3} +10x^{2} +21x\\ \\ Subtract\ 308\ from\ both\ sides\\ \\ x^{3} +10x^{2} +21x-308=0\\ \\ factor\ left\ side\ of\ equation\\ \\ (x-4)(x^{2} +14x+77)=0\\ \\  Set\ factors\ equal\ to\ 0.\\ \\ x-4=0 \ or\  x^{2} +14x+77=0\\ \\ \\

As width can never be in negative, x= 4\ cm

By substituting the value:-

Width  = x\ cm = 4 cm

Thus, width of the box is 4 cm.

4 0
3 years ago
Please help me!
RUDIKE [14]

Answer:

B. 1/9

Step-by-step explanation:

The positive square root of "x^2 - 4x + 4" is "x - 2". That value is already given to you, 1/3. Just square 1/3 to get 1/9.

7 0
3 years ago
Read 2 more answers
Which word best describes the closing costs of a mortgage?
frozen [14]
I think the answer is C
5 0
3 years ago
What words are accepted without proof in a logical system
Nadya [2.5K]
Axiom and postulates. They are considered to be self evident.
3 0
3 years ago
Other questions:
  • Evaluate the expression. 0.3+0.2×0.5
    14·2 answers
  • Sasha says that a vector has a direction component in it; therefore, we cannot add two vectors or subtract one from
    11·1 answer
  • Claire traveled 701 miles. She drove 80 miles every day. On the last day of her trip she only drove 61 miles. Write and solve an
    6·1 answer
  • Find the value of x such that the data set has a mean of 103.<br><br> 99,122,103,113,109,x
    15·1 answer
  • 2^x + 3^y = 9<br>2^x+1 - 3^y+1=8<br>find x and y​
    11·1 answer
  • Find the mean absolute value of 2, 5, 7, 10, 16 and 25, 29, 30, 31, 35 HURRRYYYY PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
    9·1 answer
  • Point A is located at -0.75 and point B 1/4 is located at on a number line.
    12·1 answer
  • Type the integer that makes the following addition sentence true for Brainliest!
    13·2 answers
  • Hello everyone please I need help with this question quickly!
    14·1 answer
  • Find the indicated angle measure’s
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!