1. simply the sum or difference. √5+6√5
a.6√5
b.30
c.6√10
d.7√5
...
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Mathematics, 06.10.2019 16:30 hannahliebl2000
1. simply the sum or difference. √5+6√5
a.6√5
b.30
c.6√10
d.7√5
2. simply the sum or difference. 4√2-7√2
a.-√6
b.-3√2
c.-11√2
d.11√2
3. simply the sum or difference. 3√7-√63
a.-2√7
b.-6√7
c.-4√3
d.0
4. simply the sum or difference. -6√10+5√90
a.9√10
b.-9√10
c.-39√10
d.-10
5. simply the product. √6(√2+√3)
a.√8+3
b.√30
c.2√3+3√2
d.4√2+3√3
6. simply the product.3√7(1-√7)
a.3√7-21
b.3
c.7
d.2√7
7. simply the product. (√6+√3)(√2-2)
a.2√3-√6
b.-3√6
c.0
d.-√6
8. simply the quotient.
3/√7-√3
a.√3/12√7+4√3
b.3√7+3√3/4
c.3√7-3√3/4
d.3/4
9. the ratio of the diffusion rates of two gases is given by the formula r1/r2=√m2/m1 where m1 and m2 are the masses of the molecules of the gases. find r1/r2 if m1=12 unites and m2=30 units. simply in radical form.
a.√5/6
b.√10/2
c.√3/5
d.2√6/5
10.simply the expression.
(√3+√5)^2
a.√6+√30+√10
b.8
c.8+2√15
d.16
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