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Nutka1998 [239]

3 years ago

5

What is the value of 3x^2– 7x + 9 when x = 4?

1 answer:

xxMikexx [17]3 years ago

6 0

Answer:

29

Step-by-step explanation:

just substitute x with 4 in the equation :)

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Determine the area of the triangular ABC with AC =5cm and height DB=30mm

seropon [69]

Answer:

Step-by-step explanation:

AC² = AD² + DB ²

25 = AD² + 9

AD²= 25 - 9

AD² = 16

AD = 4

Area = 4*3 /2

= 6cm

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3 years ago

Which of the following expressions has the greatest value?

Vilka [71]

Answer:

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Step-by-step explanation:

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2^5 = 32 (2*2*2*2*2)

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Identify:12 - 9 + 3a - 2a + 6b - 3b + b

shusha [124]

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Step-by-step explanation: combine like terms

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3 years ago

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