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
Tasya [4]
3 years ago
10

Billy says that he can add 23 and 40 without regrouping is Bill correct how do you know

Mathematics
1 answer:
bija089 [108]3 years ago
6 0
Yes he is correct because if you do the algorithm, 0+3=3 and 20+40=60 and 60+3=63. There is no regrouping needed.
You might be interested in
Dr. Blumen invested $5,000 part of it was invested in bonds at a rate of 6% in the rest was invested in a money market at the ra
abruzzese [7]
So... let's say the amounts invested were "a" at 6% and "b" at 7.5%.

ok.. hmm what's 6% of a? well, (6/100) * a or 0.06a.
what's 7.5% of b? well, (7.5/100) * b or 0.075b.

now... we know, whatever "a" and "b" are, they total the investment of 5000 bucks, thus a + b = 5000

and the interest yielded was 337.50, thus 0.06a + 0.075b = 337.50

thus    \bf \begin{cases}
a+b=5000\implies \boxed{b}=5000-a\\
0.06a+0.075b=337.50\\
----------\\
0.06a+0.075\left( \boxed{5000-a} \right)=337.50
\end{cases}

solve for "a", to see how much was invested at 6%.

what about "b"?  well, b = 5000 - a.
6 0
3 years ago
Read 2 more answers
Please help me. I really need help
Flauer [41]
A. 38

Let X = seventh graders

6th graders are twice the number of 7th graders; therefore, 6th graders will be 2X.
The total number of students is 57.

2X + X = 57
3X       = 57
X         = 57 / 3
X         = 19

IF X represents the 7th graders; there are 19 seventh graders present.
Since 6th graders are represented by 2X; Then, 2 * 19 = 38 is the number of 6th graders present.

Add both numbers to check: 19 + 38 = 57.
6 0
3 years ago
Read 2 more answers
Andrew folds a sheet of paper in half 5 times. When opens it up,how many sections will there be?
EleoNora [17]
10 pieces because five plus five is ten
5 0
3 years ago
Read 2 more answers
Can somebody please help me
zubka84 [21]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Please tell me the answers i am confused and need help
joja [24]

Answer:

Simplified= 7x+6 When x=3 the expression=27

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • What is the answer to 1+1
    13·2 answers
  • Andrea baked h muffins.Violet baked 8 fewer muffins than Andrea.Find the average number of muffins baked by both girls,in terms
    15·1 answer
  • What are the coordinates of Point W?
    14·2 answers
  • X+2•x+30=180 what is x
    10·2 answers
  • (6,5), 7x-3y=5 find the equation of the line that contains the given point and is parallel to the line. write the equation in sl
    14·1 answer
  • Spell stun seed backwards and say it
    15·1 answer
  • A cone had a diameter of 6 centimeters and a height that is 5 times the diameter. Using 3.14 for pi, which of the following can
    9·1 answer
  • Which shows the list below in order from greatest to least. 3.4848, -3 19/20, √11, -3.58, 362%​
    8·1 answer
  • In parallelogram DEFG if m_DEF=110° find m_FGD.<br> E<br> 110°<br> D<br> G
    9·1 answer
  • What is the value of y?<br> Y<br> Y<br> 60<br> O A. 120°<br> B. 60°<br> C. 40°<br> O D. 30°
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!