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attashe74 [19]
3 years ago
13

Solve for z:

mula1" title="\frac{2z-3}{20} - \frac{z-6}{4} = 3" alt="\frac{2z-3}{20} - \frac{z-6}{4} = 3" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Allushta [10]3 years ago
6 0
Multiply both sides of the equation by 20. 2z-3-5(z-6)=60. 2z-3-5z+30=60. -3z-3+30=60. -3z+27=60. -3z=60-27. -3z=33. Divide both sides by 3. Answer is: Z= -11
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7 0
3 years ago
The hypotenuse of a 90-45-45 triangle is 20√2. What is the short leg and the long leg>
stepan [7]

Answer:

Both legs would be 20

Step-by-step explanation:
In the image below, it shows the relationship between the legs and the hypotenuse in every 45 45 90 triangle. If we know that the hypotenuse is 20, then the 2 legs are both 20.

I am slightly confused with the problem since they asked for the "short" leg and the "long" leg. Both legs should be the same length because a 45 45 90 triangle is isosceles, with the two legs being the same length.

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2 years ago
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Pythagoras is in the form of;
a<em><u /></em>²+b²=c²
However, it can also be written in the form of c²=a²+b²
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Hope this has been able to help you :) 
5 0
3 years ago
Read 2 more answers
Help with this question it's PEMDAS
Dafna11 [192]

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Parenthesis first:

[3 * 6] -4

Brackets next:

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Now subtract:

18-4 = 14


The answer is C. 14

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3 years ago
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8 0
3 years ago
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