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
blagie [28]
2 years ago
14

What is the best estimate of 687 × 391? 280,000 210,000 240,000 180,000

Mathematics
2 answers:
ra1l [238]2 years ago
7 0

Answer:

Step-by-step explanation:

Estimating a sum by rounding to get the best estimate is the goal of this lesson. Notice that we try to estimate. We don't need to have an exact answer!

Notice that for numbers with two digits, there can only be one estimate because you can only round to the tens place.

Estimate the following sums: 36 + 21, 74 + 15, and 85 + 24

36 + 21 = 40 + 20 = 60

74 + 15 = 70 + 20 = 90

Colt1911 [192]2 years ago
3 0

Answer:

I used a calculator but the answer I got was different so I'ma say A

Step-by-step explanation:

You might be interested in
Are American miles the same distance as U.K. miles?
MatroZZZ [7]

Answer:

yes they are

Step-by-step explanation:

because the metric system is the same

6 0
2 years ago
Please help me i dont know what the answer is ??
Assoli18 [71]
To answer this, we need to use the rules of geometric shapes. An equilateral triangle is equiangular, meaning all its angle measures are equal. Since all triangles' angles add up to 180°, simply divide 180 by three to find the angle measure of each angle:
\frac{180}{3} = 60
Therefore, the measure of the triangle's angle is 60°

Next, we know that a characteristic of a rectangle is that each angle must be a right angle, or an angle with a measure of 90°.

Now, all we have to do is use the sum of all the angle measures to figure out the missing piece:
90=x+60+12 \\ 90=x+72 \\ 90-72=(x+72)-72 \\ 18=x

The missing angle measure, angle x, equals 18°.

Hope this helps!
7 0
3 years ago
The Wongs are putting a flagstone deck around their pool. The pool is rectangular. Its dimensions are 8 m by 4 m. The deck will
VLD [36.1K]

Answer: 64 i believe

Hope this helps :)

3 0
3 years ago
brandon purchased three cheeseburgers for $1.29 each and two milkshakes for $2.75 each. If sales tax is 7.5%, what is the total
AlladinOne [14]
First you total the cheeseburgers and milkshakes which is 9.37
then you have to multiply 7.5% by 9.37 to find the tax in money which = .70
add them 9.37+.70
=10.07
 
8 0
3 years ago
Question 1a: Write the expression for side AC and side BC. (answer as: AC = ......, BC = .......
Solnce55 [7]

Answer:

ac avavavavavavavavavavavvavavacavacacacacacav

7 0
2 years ago
Other questions:
  • 6 · 14 - (9 + 8)2 =
    5·2 answers
  • Below are the solutions for a variable "x." State the solution that matches the graph below.
    7·1 answer
  • Evaluate the expression:
    12·1 answer
  • If you get this right i will mark u as brilliantsb...
    6·2 answers
  • The diameter of a circle is 15in. Find the circumference to the nearest tenth (urgent)
    15·2 answers
  • What vocabulary words can you use to describe 36 and 27?
    9·2 answers
  • Combine the first two equations and laws of exponents to find the equation for the mass of sodium remaining after y years. S = 8
    9·1 answer
  • Miss Mia needed to pack 7370 pencils for children's day. She packed some penils on Monday and 4228 pencils on Tuesday. She found
    15·1 answer
  • Y=4x. Y=40. What does x equal
    12·2 answers
  • State the solution of the system of linear equation using its grap<br> 6.<br> SOLUTION: (<br> -2
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!