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3 years ago

10

What is the value of x?

1 answer:

iren2701 [21]3 years ago

8 0

Is it 12????? i think it is i’m not sure

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4 years ago

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1/4y + 1 1/2 + 2 − 1 3/4y − 12 = ?

pantera1 [17]

Brung like terms together:-
1/4 y - 1 3/4 y + 11/2 + 2 - 12
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3 years ago

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A number x, rounded to 1 decimal place is 12.3 write down the error interval for x

icang [17]

We know that
<span>A number x, rounded to 1 decimal place is 12.3
</span><span>so
x>=12.25
and
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</span>
the answer is
[12.25,12.35)

3 0

3 years ago

Three consecutive even integers are such that the square of the third is 76 more than the square of the second. Find the three i

Arada [10]

Let n represent the interger l, the three consective intergers are represented by

$n$

$n + 2$

$n + 4$

The second one represent

$(n + 2) {}^{2} + 76 =( n + 4) {}^{2}$

Simplify both sides

$n {}^{2} + 4n + 4 + 76 = {n}^{2} + 8n + 16$

${n}^{2} + 4n + 4 = {n}^{2} + 8n - 60$

$4n + 4 = 8n - 60$

$4n + 64= 8n$

$64= 4n$

$n = 16$

The intergers are 16,18,20

6 0

3 years ago