Answer:
4 1/8km
Step-by-step explanation:
if you have done 3 1/4km you can multiply the fraction by 2 so you get 3 2/8.
so now we have 2 5/8km and 3 2/8.
(its always easier to have the fractions the same denominator)
now we add the whole numbers first.
2 km + 3km = 5km.
now the fractions.
5/8 km + 2/8 km = 7/8km.
now add them both together and we get.
5 7/8 km.
take that answer away from 10.
we get 4 1/8km.
First of all 5-(-8) is the same thing as 5+8. So you would add 5+8=13
Answer:
8
Step-by-step explanation:
Since this isosceles triangle has been broken down into two right triangles, and we already know that two sides are the exact same (note that there are 2 x's) that means BD and BC are going to be the exact same length. Since BD is 4, that means BC will be 4, and that means
Hope this helped!
Answer:
257
Step-by-step explanation:
The two factors of 357 are 1 and 257.
2+5+7=14
2 is not 5 is not 7
2 is prime with 2 factors, 5 is prime with 2 factors, 7 is prime with 2 factors
2<5<7
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