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Marizza181 [45]

2 years ago

15

PLS HELPPPP!! ITS DUE TODAY!!!! ASAP!!! AHHH. No links

1 answer:

Alla [95]2 years ago

3 0

Answer:

x=18, 96-24=72, x+3x=72, 4x=72, x=18

Step-by-step explanation:

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95% of what number is 57? I need to find the whole number

algol [13]

Answer:

the correct answer is 60

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2 years ago

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What number must be added to the expression below to complete the square?

stiv31 [10]

D. 1/4

Explanation:

a perfect square is written in the form

$(x+a)^2 = x^2 + 2ax +a^2$ (1)

In our problem, we have this perfect square:

$x^2 - x + C$ (2)

with C being unknown. However, by comparing (1) and (2), we know that

$2a=-1$

So, we find

$a=-\frac{1}{2}$

and therefore, the missing term must be

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so the complete square is

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2 years ago

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Using transformations

Delvig [45]

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2 years ago

HELP!!!! Choose the correct answer. Which expression, when evaluated,

blagie [28]

We will check each options and verify it

(a)

$18-2m$

we can plug m=2

$18-2\times 2$

$18-4$

$14$

so, this is FALSE

(b)

$7x-\frac{x}{3} >19$

we can plug x=3

$7\times 3-\frac{3}{3} >19$

$21-1 >19$

$20 >19$

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(c)

$6x-1>4x+5$

we can plug x=3

$6\times 3-1>4\times 3+5$

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$17>17$

so, this is FALSE

(d)

$2x^2-3x+1$

now, we can plug x=2

$2(2)^2-3(2)+1$

$8-6+1$

$3$

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8 0

3 years ago

Please help me w this lol i dont get it

zaharov [31]

Answer:

i don't get u

Step-by-step explanation:

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