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3 years ago

Please can you help me with the question below.

Mathematics

1 answer:

inessss [21]3 years ago

8 0

The bottom answer would be (90°, -1)

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Find the quadratic equation given that the roots are 3 and 9<br>

il63 [147K]

Answer:

$\bold\purple{Quadratic \: \: eq {}^{n} = x {}^{2} - ( \alpha + \beta )x + \alpha \beta} \\$

Sum of roots ,

$( \alpha + \beta ) = (3 + 9) = 12$

Product of roots ,

$( \alpha \beta ) = (3)(9) = 27$

Substituting the values in the above equation ,

$\bold{x {}^{2} - ( \alpha + \beta )x + \alpha \beta} \\\\ \bold{⇢ x {}^{2} - (12)x + 27} \\\\ \bold\blue{ ⇢x {}^{2} - 12x + 27}$

hope helpful~

4 0

3 years ago

Any suggestions or answers

kolezko [41]

C
If explanation is needed just message me.

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3 years ago

If you ate 56 hotdogs in 7 minutes how much would you eat per minute

Elan Coil [88]

Answer:

8 hot dogs

Step-by-step explanation:

$8*7=56\\$

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3 years ago

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Matt picked the correct answer choice which is choice A. Explain why choice A correctly

Tom [10]

Answer:

The area shaded is above the line, thus y is greater than the given expression. The line is also dotted; hence y is greater than the expression, and not equal to it.

Step-by-step explanation:

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3 years ago

Pls help 9th grade math

loris [4]

Inequalities will have a <, >, <=, =>, = or will be worded as "Less than", "greater than", etc.

Equations must have mathematical functions and equal sign.

15=3x is an equation since 3x = 3*x

Finally, expressions are mathematical functions that have no equal signs.

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3 years ago

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