3 years ago

4 less than a number g equals 9Answer fast I will name you the most Brainly please help

Mathematics

1 answer:

Andrew [12]3 years ago

7 0

13 is 4 less than 9.

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7. Use the discriminant to determine how many real number solutions exist for the quadratic equation –4j2 + 3j – 28 = 0.

GrogVix [38]

$\bf \begin{array}{llccll}
y=&{{ -4}}j^2&{{ +3}}j&{{ -28}}\\
&~\uparrow &\uparrow &\uparrow \\
&~a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}$

so.. check what value the discriminant is then.

6 0

3 years ago

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Solve this expression : 5 + 6 x 3 + (7 - 3) x (16 divided by 2) - 3 =

egoroff_w [7]

It is 52. Here is why...
5 + 6 x 3 + (7 - 3) x (16 divided by 2) - 3
= 5+18+4 x 8-3
=5+18+ 32-3
=23+32-3
=55-3
=52
If you have any more question,please feel free to ask me. ;)

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3 years ago

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Select the correct answer.

Vikentia [17]

Answer: -2√7

Step-by-step explanation:

8 0

3 years ago

What is the value of b in this equation (y^-9)^b=y^45

Degger [83]

Answer: