Answer: 7.6 units
C/8+25=20 what does c equal
2 answers:
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Let x be the amount of cement and y be the amount of sand. If <span>the ratio of cement to sand for mortar is 1:3, then 
and y=3x.
</span>
So, if <span>Sandy puts in x=7 shovels of cement, then she puts
shovels of sand.
</span><span>
</span><span>Answer: 21 shovels of sand.
</span>
</span>
So, if <span>Sandy puts in x=7 shovels of cement, then she puts
</span><span>
</span><span>Answer: 21 shovels of sand.
</span>
Answer:
5x^4+7x^3-6x^2
Step-by-step explanation:
Step-by-step explanation:
Here, we'll need to multiply these two values together. I'll use the expansion formula, which goes as follows:
- Expand
Lets apply this to the following equation:
- Expand.
- Simplify.
- Remove parenthesis and add.
Answer:
x^2+10x+21