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V125BC [204]
3 years ago
15

Find the discriminant. 4y? – 3y + 3 = 0

Mathematics
2 answers:
IgorC [24]3 years ago
7 0
Look it up at google or
Vikki [24]3 years ago
3 0
D= -39
The solution is 2 complex roots

Work shown in attached image

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A rectangle of perimeter 74 cm is 7cm longer than it is wide. what is the length of each side?​
Mumz [18]

I assume that you mean: the length is 7cm more than the width, and the perimeter is 74 cm.

If so, we can write down the following system, where l and w represent, respectively, the length and the width:

\begin{cases}l=w+7\\2(l+w)=74\end{cases} \iff \begin{cases}l=w+7\\l+w=37\end{cases} \iff \begin{cases}l=w+7\\(w+7)+w=37\end{cases}

We can easily solve the second equation:

(w+7)+w=37 \iff 2w+7=37 \iff 2w=30 \iff w=15

And finally solve for the length:

l=w+7=15+7=22

6 0
4 years ago
Subtract 8.263 from 13.48
eimsori [14]
8.263-13.48= -5.217
I suggest using a calculator for math that is hard to work out in your head.
3 0
4 years ago
Read 2 more answers
Ted has $55.00 in his pocket. Which purchase will he be able to pay for with cash?<br>     
Evgen [1.6K]
Three books for $16.99 each


7 0
3 years ago
Read 2 more answers
I need help with these ​
HACTEHA [7]

Answer:

7+4=11

Step-by-step explanation:

12/3 equalls 4 because the 12÷3=4.

7 0
3 years ago
Nine more than the quotient of a number and 4 is 12
Fudgin [204]
To solve this, let's first convert the equation to standard form:

9 + (x/4) = 12

Now, let's solve for x:

9 + (x/4) = 12
9 + (x/4) - 9 = 12 - 9
x/4 = 3
x/4 * 4 = 3 * 4
x = 12
8 0
3 years ago
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