Answer:
12
Step-by-step explanation:
You have to substitute a by 17 and then just subtract.
<span> 3/4-4z+5/4z-1/2+1/2z </span>Final result : 1 - 9z
——————
4
Step by step solution :<span>Step 1 :</span> 1
Simplify —
2
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<span>Equation at the end of step 1 :</span> 3 5 1 1
(((—-4z)+(—•z))-—)+(—•z)
4 4 2 2
<span>Step 2 :</span> 1
Simplify —
2
<span>Equation at the end of step 2 :</span> 3 5 1 z
(((—-4z)+(—•z))-—)+—
4 4 2 2
<span>Step 3 :</span> 5
Simplify —
4
<span>Equation at the end of step 3 :</span> 3 5 1 z
(((—-4z)+(—•z))-—)+—
4 4 2 2
<span>Step 4 :</span> 3
Simplify —
4
<span>Equation at the end of step 4 :</span> 3 5z 1 z
(((— - 4z) + ——) - —) + —
4 4 2 2
<span>Step 5 :</span>Rewriting the whole as an Equivalent Fraction :
<span> 5.1 </span> Subtracting a whole from a fraction
Rewrite the whole as a fraction using <span> 4 </span> as the denominator :
<span> 4z 4z • 4
4z = —— = ——————
1 4 </span>
A = 1/2 hb
20 = 1/2 x 4 x b
20 = 2 b
b = 20 /2
b = 10
answer is <span>10 m</span>
Answer: 17
Step-by-step explanation:
You simply jusr divide the area with the lenght given
