3 years ago

Help me, please.......

Mathematics

1 answer:

Delicious77 [7]3 years ago

6 0

The answer is a. I hope this helps love! :)

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Given the trinomial 3x2 − 6x + 5, what is the value of the discriminant?

yan [13]

$\bf \begin{array}{llcccll}
& 3 x^2& -6 x& +5\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac\implies (-6)^2-4(3)(5)$

4 0

4 years ago

van purchased a DVD player on sale the original price was $171.50 the sale price was $149.37 what is the first step finding the

Sever21 [200]

Answer:

12.90%

Step-by-step explanation:

Given ;

Original price = 171.50

Sale price = 149.37

To find the % markdown :

Markdown = Purchase price - sale price

171.50 - 149.37 = 22.13

(Markdown / purchase price) * 100%

(22.13 / 171.50) * 100%

0.1290379 * 100%

= 12.90%

4 0

3 years ago

(d)<br>(h)<br>(g) 3x2 + 54x + 243<br>g<br>Factorize:

amid [387]

Answer:

(x+9)(3x+27)

Step-by-step explanation:

3x^2+54x+243 (243×3=729, Product=729, Sum=54) [27+27=54, 27×27=729]

3x^2+27x+27x+243

3x(x+9)+27(x+9)

=(x+9)(3x+27)

8 0

3 years ago

A sapling that started out 14 inches tall grew 4 inches per year. How old was the sapling when it was 46 inches tall?

tatyana61 [14]

Answer:

8 years old

Step-by-step explanation:

46 - 14 = 32 inches of growth

32 inches / 4 inches = 8 years

3 0

3 years ago

1.682 inches rounded to the nearest whole number

andrey2020 [161]

The correct answer is 2 inches

8 0

4 years ago

Read 2 more answers