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2 years ago

BRAINLIEST

Mathematics

2 answers:

klio [65]2 years ago

7 0

Answer:

The linear equation which models this situation is given by:

y = 60x + 25

Step-by-step explanation:

It is given that:

A plumber charges a consultation fee of $25 then charges $60 an hour.

Let x represents the number of hours.

and y represents the total fee for x hours.

This means that x is an independent variable since the value of such a variable is to be assigned and y is the dependent variable since the value of y is obtained corresponding to different values of x.

Hence, we have:

The total cost will be:

y= 60x+25

OverLord2011 [107]2 years ago

5 0

The linear equation is:

$25 consultation fee: b
$60 an hour to repair: mx

y = $60x + $25
the answer is a

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Ber [7]

$\bold{\huge{\blue{\underline{ Solution}}}}$

$\bold{\underline{ We \: have \:given \: that, }}$

Distance between the house and tower is 35 m
The height of the tower is 60 m
The height of the house is 25 m

$\bold{\underline{ Now}}$

Height of the house is 25m

$\bold{\underline{ So, }}$

$\sf{ CE = 25m }$

Therefore,

$\sf{ AB = AD - CE }$

$\sf{ AB = 60 - 25 }$

$\sf{ AB = 35 m }$

Now, In Right angled ABC

$\bold{tan Φ =}{\bold{\frac{ AB}{BC}}}$

$\bold{tan Φ =}{\bold{\frac{ 35}{35}}}$

$\bold{ tan Φ = 1 }$

$\bold{ tan Φ = 45 °}$

$\sf{\red{Hence, \: The \:angle \:of \:depression\: is \:45°}}$

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1 year ago

What is -13/25 as a decimal

pickupchik [31]

If you would like to know what is - 13/25 as a decimal, you can calculate this using the following step:

- 13/25 = - (4*13)/100 = - 52/100 = - 0.52

Result: - 13/25 as a decimal is - 0.52.

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