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oee [108]
3 years ago
7

Evaluate the following expression for x = –2 and y = –4.

Mathematics
1 answer:
elena55 [62]3 years ago
4 0

Step-by-step explanation:

check your question again

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salad dressing is made by mixing lemon juice and oil in the ratio 5:4. eleanor makes 900ml of the salad dressing how much lemon
xxTIMURxx [149]

Answer:

500 ml.

Step-by-step explanation:

5:4, right?

5 + 4 = 9

There's your answer, friend!

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2 years ago
Express 24/40 and 18/42 in their simplest forms.Show your works
Maru [420]

Answer:

24/40 = 4/5

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Step-by-step explanation:

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Murljashka [212]

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Step-by-step explanation:

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3 years ago
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HELP ASAPPPPP! I WILL GIVE BRAINLEST​
Illusion [34]

The two numbers have 1 as a common factor and nothing else. Hence 1 is the HCF. This proves that the HCF of any two consecutive numbers is always a one.

Two integers are relatively prime (or coprime) if there is no integer greater than one that divides them both (that is, their greatest common divisor is one). For example, 12 and 13 are relatively prime, but 12 and 14 are not.

5 0
3 years ago
4xsquared - 9=0? could anyone help me solve this quadratic equation by FACTORING?
Verizon [17]
\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
4x^2-9=0\implies 2^2x^2-3^2=0\implies (2x)^2-3^2=0
\\\\\\\
[(2x)-3][(2x)+3]=0\implies 
\begin{cases}
2x-3=0\\
2x=3\\
x=\frac{3}{2}\\
------\\
2x+3=0\\
2x=-3\\
x=-\frac{3}{2}
\end{cases}
7 0
3 years ago
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