Round each number to the nearest ten. What is the best estimate for the answer to 343.42 – 39.87?

Answers

Answer 1

Answer: The original answer for that question would be 303.55. The best estimate when you round to the nearest tenth the approximate answer would be 303.6 because the 5 in the hundredths place rounds the 5 in the tenths place to a 6. So the approximate answer would be 303.6....hope this helps.

Answer 2

Answer:

with the nearest ten tha answer would be 300 because 340-40=300 and to the nearest thenth is would be 303.5 because 343.4-39.9=303.5

hope i helped

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I have a few problems on combining like terms please help:1)   12r-8-12
2)      n-10+9n-3
3)    -4x-10x
4) -r-10r

Answers

Combing like terms is actually pretty simple. As long as you can do basic addition, multiplication, division, and subtraction, you should be fine. Like terms are two or more terms that have the same variable(s) -- sometimes like terms can be two or more regular numbers without variables as well. When combing like terms without a variable, just perform the operation as normal (i.e. 2 + 5 = 7). When combing like terms with a variable, perform the operation on the coefficients (i.e. 10x + 5x = (10+5)x = 15x).

1) 12r - 8 - 12
Here the like terms are -8 and 12.
-8 - 12 = -20
12r - 20

2) n - 10 + 9n - 3
Here the like terms are n and 9n and -10 and -3.
To make it easier you can reorder the expression to be n + 9n - 10 - 3.
n + 9n = (1 + 9)n = 10n
-10 - 3 = -13
10n - 13

3) -4x - 10x
Here the like terms are the only two terms in the expression, -4x and -10x.
(-4 - 10)x = -14x
-14x

4) -r - 10r
Here the like terms are the only two terms in the expression, -r and -10r.
(-1 - 10)r = -11
-11r

$12r-20\n 10n-13\n -14x\n -11r$

What is 7,060,268,214 rounded to the nearest hundred million

Answers

7,060,268,214 rounded to the nearest hundred million is 7,100,000,000

7,100,000,000 hope i helped you out in some type of way :)

What is 3/5 times 20

Answers

First make 20 into a fraction, then solve; 3/5 · 20/1. 60/5 = 12. Hope that helps!

Answer:

your answer should be 12

What is 1.6 as a fraction in simplest form

Answers

The simplest form of 1.6 is 5/8

What is simplest form ?

In mathematics, the simplest form is the fraction that has the smallest equivalent value.

Here, the given decimal number is 1.6 :

and to find its simplest form we put the same number of zeros as the numbers after decimal in the given number that is one zeros :

1.6 = 16/10

Now, dividing it by common factor that is 2 :

16/10 = 8/5

Therefore, the simplest form of 1.6 is 5/8

Learn more about fractions on:

brainly.com/question/78672

#SPJ2

1.6 is = to 1 6/10 = 1 3/5
so 1.6 in simplest form is 1 3/5

Hope this helps! :D

To play on the football team, a seventh grader must weigh no more than 110 pounds. your neighbor is in seventh grade and weighs 94 pounds. Write and solve an inequality that represents how much weight your neighbor can gain and still meet the requirement. (: Please help, I'm in Middle School..

Answers

Let x represent the number of pounds the neighbor can gain and still be able to meet the requirement
No more than is the same as less than or equal to, which is represented by the ≤
sign.
So the inequality will be:
94 + x ≤ 110
To solve :
94 + x ≤ 110
-94 -94
--------------
x ≤ 16
Check (you should always do this, even if the problem doesn't say so)
x = 0 pick a number that should satisfy the inequality
because 0 is a special number (nothing) AND it is very easy to use AND it is very easy to plug in, it is an ideal number for check
(0 and 1 are the easiest numbers)
94 + 0 ≤ 110
94 ≤ 110 √ <-- that's a check sign, NOT square root

Your neighbor can gain no more than 16 pounds to still be able to meet the football team requirement

20 POINTS!!!The options are proportional or not proportional and are and are not a constant multiple.

Answers

Answer:

not proportional

Step-by-step explanation:

If it is proportional y/x = constant

y/x = 5/2 = 2.5

6/3 = 2

These are not the same so it is not proportional

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