3 years ago

HELP!!! ASAP!!! THANK YOU !! 10 POINTS <333

Mathematics

1 answer:

olchik [2.2K]3 years ago

4 0

Answer:

your answer would be c (7)

Step-by-step explanation:

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Find the value of c that makes x^2–6x + c a perfect square trinomial and write as a binomial squared.

denpristay [2]

Answer: 9

Step-by-step explanation:

Given

The function is $x^2-6x+c$

To make it a perfect square, compare it with $(a-b)^2=a^2+b^2-2ab$

Here,

$x=a,\\-6x=-2ab\\\\\therefore b=3$

So, c must be square of b i.e. 9

$x^2-6x+c\Rightarrow x^2-6x+9\\\Rightarrow (x-3)^2$

Therefore, value of c is 9.

3 0

3 years ago

1. The sum of two numbers is 90. Their difference is 18. Find the numbers. A(40, 22) B(45, 45) C(36, 54) D(27, 63) E (40, 50) F

Genrish500 [490]

Answer:

36 and 54

Step-by-step explanation:

54-36=18

54+36= 90

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3 years ago

40 - 2 to the second power•9+17 can you please show me how you got this answer and tell me what it is please I will mark brainie

ollegr [7]

Use orders of operations.
$40 - {2}^{2} \times 9 + 17 \\ 40 - 4 \times 9 + 17 \\ 40 - 36 + 17 \\ 4 + 17 \\ = 21$

5 0

4 years ago

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Lacy pays $15 for each hour of golf lessons and $10 for equipment rental. If the lesson is more than 3 hours long, she only pays

Ghella [55]

Answer:

Step-by-step explanation:

15x3=45

5x3=15

15+45=60

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3 years ago

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How do I plot a decimal on a coordinate plane?

galina1969 [7]

Answer:

To plot a decimal on a coordinate plane you plot it between the two whole numbers its close to.

Step-by-step explanation:

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3 years ago