2 years ago

What’s the blanks Plzzzzz hurry will give BRAINLIEST

Mathematics

1 answer:

sattari [20]2 years ago

4 0

Answer: Is there a description box maybe vocab words

if so pls comment and i will give answer if answerable hence down in comment section.

Step-by-step explanation:

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Determine which equation has exactly one real solution. PLS HELPP

sergey [27]

Answer:

b) $4x^2-12x+9=0$

Step-by-step explanation:

We can use the discriminant $b^2-4ac$ to determine how many real solutions a quadratic equation in the form $ax^2+bx+c=0$ has.

discriminant > 0 ⇒ 2 real solutions
discriminant = 0 ⇒ 1 real solution
discriminant < 0 ⇒ no real solutions

$5x^2+9x-4=0$

$b^2-4ac=9^2-4(5)(-4)=161 > 0\implies \textsf{2 solutions}$

$4x^2-12x+9=0$

$b^2-4ac=(-12)^2-4(4)(9)=0 \implies \textsf{1 solution}$

$-9x^2+6x+1=0$

$b^2-4ac=6^2-4(-9)(1)=72 > 0 \implies \textsf{2 solutions}$

$-2x^2-7=0$

$b^2-4ac=0^2-4(-2)(-7)=-56 < 0 \implies \textsf{no solutions}$

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2 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

vivado [14]

Answer:

6.2e+15

Step-by-step explanation:

Hope this helps!

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3 years ago

Simplify<br>factor<br>x² + 9x+14<br>x_49

kiruha [24]

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Step-by-step explanation:

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3 years ago

Which expression is equivalent to 4(23)

Blizzard [7]

Answer:

the correct answer is , 4(20+3)

Step-by-step explanation:

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3 years ago

The rectangle ABCD is translated to another rectangle A'B'C'D' using the transformation T: (x → x - 1, y → y - 2).

Vika [28.1K]

1,1 is your answer. just apply the rule to the set points

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3 years ago

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