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Sever21 [200]
3 years ago
11

Why are you allowed to move the decimal points before dividing with decimals?

Mathematics
1 answer:
nadya68 [22]3 years ago
7 0
It is because both the dividend and the divisor are multiplied by 10, 100, 1000, or some other power of ten.
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3,619 people can fit in the auditorium for the concert. Twenty buses arrive with 68 people on each bus going into the auditorium
Sonja [21]
So 20x68 is 1360 so 3,619 -1,360 is 2,259 so 2,259 more people will be able to fit inside of the auditorium-hope this helped you
5 0
3 years ago
Can 4x-2y=12x+2y=8 be solved by adding one of the original equations to the other
nydimaria [60]

Answer:

No you can't add problems together, but you can use elimnation

Step-by-step explanation:

6 0
3 years ago
Complete the equation of the graphed linear function in point-slope form.
ozzi
Y = 2 x + 18 i think thats the answer :D
6 0
3 years ago
What is two filths plus one eighth
pantera1 [17]

Answer: 21/40

Step-by-step explanation:

25+18=?The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(2/5, 1/8) = 40

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(25×88)+(18×55)=?

Complete the multiplication and the equation becomes

1640+540=?

The two fractions now have like denominators so you can add the numerators.

Then:

16+540=2140

This fraction cannot be reduced.

Therefore:

25+18=2140

4 0
3 years ago
the amount of military spending M (in billions of dollars) in the U.S. during year t is given approximately by the equation M=48
Fynjy0 [20]

Answer:

2008

Step-by-step explanation:

M = 48.81t + 304.30

M = 694.78                            Solve for t

694.78 = 48.81t + 304.30     Subtract 304.30 from each side

390.48 = 48.81t                    Divide each side by 48.81

t = 390.48/48.81  

t = 8.00 yr

=====

Year = 2000 + t

Year = 2000 + 8.00

Year = 2008

Military spending hit $694.78 billion at the end of 2008.

3 0
3 years ago
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