There are 336 girls at at concert the ratio of girls to boys at the concert is 4 to 5
2 answers:
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Hi there! The answer is C.
Explanation:
We have the following equation:
To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.
Multiply
Divide both sides by 15.
~ Hope this helps you!
Explanation:
We have the following equation:
To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.
Multiply
Divide both sides by 15.
~ Hope this helps you!
Hello,
s=48t-16t²
a)
s=0==>16t(3-t)=0==>t=0 or t=3
b)
s>32==>48t-16t²>32===>16(t²-3t+2)<0
Δ=9-8=1
==>16(t-1)(t-2)<0
==>1<t<2 (negative between the roots)
s=48t-16t²
a)
s=0==>16t(3-t)=0==>t=0 or t=3
b)
s>32==>48t-16t²>32===>16(t²-3t+2)<0
Δ=9-8=1
==>16(t-1)(t-2)<0
==>1<t<2 (negative between the roots)