3 years ago

1x1+9x1/10+8x1/100+1x1/1000

Mathematics

2 answers:

xxMikexx [17]3 years ago

6 0

I believe the answer is 1981/1000 x I think

amm18123 years ago

5 0

1.981 I hope this helps you out:D

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Which expression can be used to determine 50% of 42?

Crazy boy [7]

Hey there! :D

Since 50% is half of 100%, it would also be half of 42.

42/2 <== that can be used to determine 50%

42/2= 21

50% of 42 is 21.

You could also use this:

42*.5= 21 <== this also works

I hope this helps!
~kaikers

3 0

4 years ago

ashleigh rode her bicycle 26.5 miles in 4 hours which gives the best estimate of how far ashleigh rode in 1 hour.

Advocard [28]

26.5 miles in 4 hours is stating 26.5 miles per 4 miles.
To find out how far it is in one mile, you can either make a proportion or divide 26.5 miles per mile by 4.
Division:
$\frac{26.5}{4}/ \frac{4}{4}$
$\frac{26.5}{4}=6.625$
$\frac{4}{4}=1$
26.5 miles per 4 hours = 6.625 mph
Proportions:
$\frac{26.5}{4}= \frac{x}{1}$
$26.5=4x$
$6.625=x$
In one hour, Ashleigh traveled 6.625 miles in 1 hour.

7 0

4 years ago

Read 2 more answers

Solve for x 3x - 2 = 4x + 1

AlexFokin [52]

Answer:

$x = -3$