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
egoroff_w [7]
3 years ago
8

Estimate the sum of 21+17.

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0
40 Is The Sum Of 21+17.
sergejj [24]3 years ago
4 0
When estimating sums, you need to round to get to the answer.

So in the problem:

21+17 = ?

I round 21 to 20.

I round 17 to 20.

So know, the problem is:

20+20

The answer to 20 + 20 equals 40.

The answer is 40.

You might be interested in
Write an equation of the line that passes through each point with the given slope, (3,5) and m=2.
icang [17]

Answer:

The point slope formula states (y-y1)=m(x-x1)

Where m is the slope and (x1 y1) is a point the line passes through

Substituting the point and slope from the problem give

(y-5)=-2(x-3) ~answer

6 0
3 years ago
Determine whether the given value is a solution of the equation.
serious [3.7K]

Answer:

84 is a solution.

Step-by-step explanation:

To find out if 84 is a solution or not, we plug in the value and simplify.

  • (84)/14 = 6
  • 6 = 6

Therefore, 84 is a solution.

6 0
2 years ago
PLEASE HELP QUICK
KATRIN_1 [288]

1) The probability of getting a queen is 187/10000 which is 0.0187 = 1.87%


2) The probability is 449 / 479 which is 0.937 = 93.7%


You may need to round the answers. It doesn't say if they need to be rounded or not.

8 0
3 years ago
Read 2 more answers
at five pm a four foot mailbox casts a shadow six feet long at the same time a tree cast a shadow 36 feet Long bhow tall is the
Andrej [43]

So the 4ft mailbox’s shadow was six feet. That 2ft longer. According to my logic if the tree had a showdown of 36ft we subtract 2ft. The trees actual size is 34ft.

I might be wrong don’t hate me :(

5 0
3 years ago
What equation represents the relationship between p and q shown in the table
mash [69]

q = 10p because all of them are multiplied by ten

6 0
3 years ago
Other questions:
  • ABCD is a rectangle. if AC = 3y/5 anf BD= 3(y-4), find the length of each diagonal
    14·1 answer
  • Which ratio is equivalent to (two-fifths)?
    7·2 answers
  • Is f(x)=x^2-2x+3 a quadratic function
    8·2 answers
  • An arrangement of marbles has 12 marbles in the first row and 10 rows in all. In each successive row one marble is added.What is
    10·2 answers
  • Figure the standard deviation of the distribution of means for a population with a standard deviation of 20 and sample size of 1
    7·1 answer
  • Write the following numbers in order of size.
    10·2 answers
  • At the beginning of the day, Meredith has 85.4 pounds of apple to sell at the farmers market. The table shows the change in the
    11·1 answer
  • I need help please. ​
    6·1 answer
  • Help pleaseeeeee fast
    6·2 answers
  • HELP ME, IT'S AN EMERGENCY
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!