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3 years ago

7

Find the value of the expression

1 answer:

Karolina [17]3 years ago

4 0

$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Arithmetic Operation.

====> 5(3+6) + 5*3/ 5(4-1)

=====> 5(9) + 15 / 5(3)

=====> 45+15 / 15

=====> 60/15

======> 4

answer is 4

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alan earned 200$ for 14 hours of work assuming he is paid by the hour how much will alan earn if he works 70 hours

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Which expression could help you find the distance

Allisa [31]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

Correct Expression :

$\qquad \tt \rightarrow \: |10| + | - 6|$

$\qquad \tt \rightarrow \: distance = 16\:\: units\degree$

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$\large \tt Solution \: :$

$\textsf{Using distance formula -}$

$\qquad \tt \rightarrow \: \sqrt{(x_2 - x_1) {}^{2} + (y_2 - y_1) {}^{2} }$

$\qquad \tt \rightarrow \: \sqrt{( - 6 - 10) {}^{2} + (4 - 4) {}^{2} }$

$\qquad \tt \rightarrow \: \sqrt{( - 16) {}^{2} + 0}$

$\qquad \tt \rightarrow \: \sqrt{256}$

$\qquad \tt \rightarrow \: 16 \: \: units$

For short it can be expressed as :

$\qquad \tt \rightarrow \: |10| + | - 6| = 10 + 6 = 16$

[ y - coordinate of both the points are same ]

Correct option - D

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

Need help with this.

sweet [91]

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Let t as y² + 5y .

${y}^{2} + 5y = t$

Rewrite the equation :

$t - \frac{36}{t} = 0 \\$

Multiply sides by t

$t \times (t - \frac{36}{t} ) = t \times 0 \\$

${t}^{2} - 36 = 0$

Add sides 36

${t}^{2} - 36 + 36 = 0 + 36$

${t}^{2} = 36$

$t = ± \: 6$

_________________________________

So :

${y}^{2} + 5y = 6$

Subtract sides 6

${y}^{2} + 5y - 6 = 6 - 6$

${y}^{2} + 5y - 6 = 0$

$(y + 6)(y - 1) = 0$

$y = - 6 \: \: or \: \: y = 1$

##############################

${y}^{2} +5y = - 6$

$No \: \: solution$

_________________________________

Thus (( y = 1 )) and (( y = - 6 )) are the roots of the equation .

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8 0

3 years ago