Answer:
B) 42 units squared
Step-by-step explanation:
12 * 7 = 84
84 / 2 = 42
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<em><u>-XxDeathshotxX</u></em>
Problem: 2/3= 18/(x+5)
First, I would multiply the (x+5) over
Making it 2/3(x+5)=18
Second, I would Divide by 2/3 (which is the same as multiplying by the reciprocal 3/2)
which shows up like this now (x+5)=18*3/2
third I would subtract the 5 over
which will give you your answer
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Complete Question
Two geometrically similar jugs have volumes of 1000 cm³and 512 cm³.They have circular bases. The diameter of the base of the larger jug is 9 cm.
Calculate the diameter of the smaller jug.
Answer:
7.2 cm
Step-by-step explanation:
To solve the above question,we have the proportion
Smaller volume/ Larger volume = (Smaller diameter/ Larger diameter)³
We are to find the smaller diameter
Hence our formula is give as
Cube root(Smaller volume/ Larger volume)= Smaller diameter/ Larger diameter
=cube root( 512/1000) = x/9
= 8/10 = x/9
Cross Multiply
10x = 8 × 9
10x = 72
x = 72/10
x = 7.2cm
Therefore, the diameter of the second jug is 7.2 cm
Answer:
Divide: 7/12 : 3/10 = 7/12 · 10/3= 7 · 10 /12 · 3 = 70/36 = 35/18
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
Hope this helps:)sorry if it doesnt
