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goblinko [34]
3 years ago
13

Evaluate y=3x for x=2. y=

Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0

Answer:

y=6

Step-by-step explanation:

y=3x     x=2

y=3(2)

y=6

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Write the equation for a line that passes through the point (2,5) and a slope of m =10 in point slope form
wlad13 [49]

Answer:

y=10x-15

Step-by-step explanation:

with the points given you know x=2 and y=5

make a new point called (x,y)

now use the formula (y-5)/(x-2)=10 (10 being the gradient)

y-5 = 10(x-2)

y-5=10x-20

add 5 to both sides

y-5+5=10x-20+5

y=10x-15

8 0
3 years ago
Read 2 more answers
the leaning tower of pisa in italy makes an angle of 86 degrees with the ground. a person standing on the ground approximately 8
Art [367]
See the picture to better understand the problem

we know that
in the triangle ABC
∠A+∠B+∠C=180°
∠C=180-(86+69)-----> ∠C=25°
Applying the law of sines
b/sin B=c/sin C------> b=c*sin B/sin C-----> b=82*sin 69/sin 25
b=181.14 ft

the answer is
181.14 ft

8 0
3 years ago
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Malachi bought a new fishing rod. The regular price of the fishing rod was $125.99. Sales tax of 8% is applied(added) to the tot
madreJ [45]

Answer:

125.99/100 X 108 = 136.0692

round to 2 dp = $136.07

5 0
2 years ago
You and your bestfriend are both on the swim team. You want to beat your bestfriend at the next swim meet so you decide to swim
QveST [7]

Answer:

y = x + 15

Step-by-step explanation:

You swim 15 minutes more than a friend.The friend swims x minutes.

The amount of time you swim is 15 more than x.

Your time is y

Therefore y = x + 15 would be the equation.

7 0
3 years ago
A cat's heart beats approximately 45 times in 15 second. at this rate how many times does the cat's heart beat per second?
stellarik [79]

Answer:

3

Step-by-step explanation:

Simple!

All you need to do is 45 divided by 15.

5 0
2 years ago
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