Answer:
the answer is b 11x-15
Step-by-step explanation:
your collecting like terms then combining them
Answer:
1 quart of red per 6 quarts of yellow
Or 1:6
Step-by-step explanation:
Step-by-step explanation:
<h2>Elimination Method</h2>
(x+ 2y=6)2
(2x+4y=12)1
<h3> 2x+4y=12</h3><h3>- 2y+4y=12</h3>
<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>
<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>0</u><u>+</u><u>0</u><u>=</u><u>0</u>
<h3 />
Option D. 2(n + 9) is the right answer
Step-by-step explanation:
The word problems are converted into mathematical problems to solve simply.
for the given problem
"two times the sum of a number and 9"
Let n be a number then
when there is and between two things they are performed first then next operation is performed so
the sum of a number and 9
Then
two times the sum of a number and 9
Hence,
Option D. 2(n + 9) is the right answer
Keywords: Mathematical notation
Learn more about mathematical notation at:
#LearnwithBrainly
Speed of student A is 180 ft/min
Speed of student B is 120 ft/min
Relative speed=(120+180)=300 ft/min
Distance between them is 2420 ft
Time taken for them to meet will be:
time=distance/speed
=(2420-20)/300
=8 min
