To make concrete, you need 3 times as much sand as cement. When Aaron was asked to formulate an equation about the relationship
between sand and cement in concrete, here’s what he wrote:
1 answer:
Answer:
yes
Step-by-step explanation:
im not sure i just ned credit
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Answer:
5
Step-by-step explanation:
3/5 × 5
Divide through by 5
And you're left with 5
Answer:
#5 -1.75, 2.5, -0.2
#6 3 1/2, 2 1/4, -1/2
Step-by-step explanation:
Well when the opposite they mean if the number is positive it becomes negative, and if is negative it becomes positive. very simple happy to help :)
Answer:
100 1/4
Step-by-step explanation:
X=45 since 90-45=45
Hope this helps
Answer:
The answer is x=5 and x=−5
x² - 25 = 0
(x-5)(x+5)=0
x²-5x+5x-25=0
x-5=0 x+5=0
x=5 or x=-5
