Answer:
1kg : 4kg
Step-by-step explanation:
You need to simplify the current equation
5 : 20
Divide both sides by 5
5/5 : 20/5
1 : 4
1kg : 4kg
Hope this helps!
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Answer:
The answer is B) 11.
Step-by-step explanation:
We can solve this by making an expression to represent the situation. Let x = the number of student books in the box (what we're looking for):
C. The sun of the areas of its exterior surfaces is the correct answer.
Answer:
$40
Step-by-step explanation:
Find the original price by dividing 28 by 0.7
28/0.7
= 40
So, the original price was $40
Let the length of the diameter be d and radius be r, thus to solve for d we proceed as follows:
r²+31²=(r+15)²
solving for d we solve for r
r²+961=r²+30r+225
putting like terms together we obtain:
r²-r²+961-225=30r
736=30r
solving for r
r=24.53
thus
d=24.5333×2
d=49.067~49.1
Answer is D. 49.1
