3 years ago

Need a quick answer please

Mathematics

1 answer:

galben [10]3 years ago

7 0

Answer: angle 1: 62 degrees, angle 2:45 degrees, angle 3: 24 degrees

Step-by-step explanation:

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Y/4+−49=−9

Monica [59]

Remember you can do anything to an equation as long as you do it to both sides

(y/4)-49=-9
isolate the variable
add 49 to both sides
y/4=40
multiply both sides by 4 to clear fraction
y=160

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What the variable x represents<br>

allsm [11]

Answer:

the variable x represents a hidden or unkown value

Step-by-step explanation:

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3 years ago

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Oksana_A [137]

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A bicyclist travels 13 km at a speed of 20 km/hr. how long does it take her to travel this distance?

aliina [53]

Answer:

${ \tt{time = \frac{distance}{time} }} \\$

speed is 20 km/hr
distance is 13 km

${ \tt{time = \frac{13}{20} }} \\ \\ { \boxed{ \tt{ \: time = 0.65 \: hours}}}$

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2 years ago

The function f(x) = 2x + 510 represents the number of calories burned when exercising, where x is the number of hours spent exer

riadik2000 [5.3K]

Answer: 789 calories burned while combining diet with 2 hours of exercise

Step-by-step explanation:

we have that

$f(x)=2x+510$

$g(x)=200x-125$

we know that

$(f+g)(x)=f(x)+g(x)$

substitute

$(f+g)(x)=2x+510+200x-125$

$(f+g)(x)=202x+385$

Find $(f+g)(2)$

For x=2 hours

substitute

$(f+g)(2)=202(2)+385$

$(f+g)(2)=789\ calories$

therefore

The answer is

789 calories burned while combining diet with 2 hours of exercise

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3 years ago