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luda_lava [24]
3 years ago
13

Someone help me with this question

Mathematics
2 answers:
skad [1K]3 years ago
7 0

the answer is 7 because thats what photo math told me

mel-nik [20]3 years ago
5 0

Answer:

7

Step-by-step explanation:

(8+56)÷4-3^2

PEMDAS:

(64)÷4-3^2

PEMDAS:

(64)÷4-9

PEMDAS:

(16)-9

7

hope this helps

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Anestetic [448]

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4 0
2 years ago
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Trava [24]

Answer:

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Step-by-step explanation:

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2 years ago
What is the value of b2 - 4ac for the following equation?<br><br> 2x2 + 3x = -1
andreyandreev [35.5K]
The value of b^2-4ac is known as the discriminant of a quadratic function, and can tell you how many roots exist of this function depending on what it is equal to.

Start by moving the -1 to the other side, as we need this function to equal zero.

2x^2 + 3x + 1 = 0

This is now the standard form ax^2 + bx + c = 0. Plug each value that corresponds into the discriminant equation.

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7 0
3 years ago
Read 2 more answers
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