Answer:
I also need the answer
Step-by-step explanation:
Answer:
4x
Step-by-step explanation:
Given the expression
4x² - 36x
Get the individual factor of each terms
4x² = 4 * x * x
36x = 4 * 9 * x
4x² - 36x = 4x(x-9)
From both factors we can see that 4*x is common to them, hence the greatest common factor is 4x
Answer:12
for every 2 boys that is 3 girls
there are 4 sets of two boys so you would have 4 sets of 3 girls
4×3=12
I hope this is good enough:
Answer: 345;275
Step-by-step explanation:
Lest say v_1 the speed of the slowest plane
v_2 the speed of the fasterst plane
![\Bigg\{\begin{array}{ccc}v_2-v_1&=&70\\4*v_2+4*v_1&=&2480\\\end{array} \right.\\\\\\\Bigg\{\begin{array}{ccc}v_2-v_1&=&70\\v_2+v_1&=&620\\\end{array} \right.\\\\\\\Bigg\{\begin{array}{ccc}2*v_2&=&690\\v_2+v_1&=&620\\\end{array} \right.\\\\\\\Bigg\{\begin{array}{ccc}v_2&=&345\\v_1&=&275\\\end{array} \right.\\\\\\](https://tex.z-dn.net/?f=%5CBigg%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dv_2-v_1%26%3D%2670%5C%5C4%2Av_2%2B4%2Av_1%26%3D%262480%5C%5C%5Cend%7Barray%7D%20%5Cright.%5C%5C%5C%5C%5C%5C%5CBigg%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dv_2-v_1%26%3D%2670%5C%5Cv_2%2Bv_1%26%3D%26620%5C%5C%5Cend%7Barray%7D%20%5Cright.%5C%5C%5C%5C%5C%5C%5CBigg%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D2%2Av_2%26%3D%26690%5C%5Cv_2%2Bv_1%26%3D%26620%5C%5C%5Cend%7Barray%7D%20%5Cright.%5C%5C%5C%5C%5C%5C%5CBigg%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dv_2%26%3D%26345%5C%5Cv_1%26%3D%26275%5C%5C%5Cend%7Barray%7D%20%5Cright.%5C%5C%5C%5C%5C%5C)