2 years ago

Anyone know the answer?

Mathematics

2 answers:

VladimirAG [237]2 years ago

7 0

Yea what they said lol

MariettaO [177]2 years ago

3 0

Answer:

It's 15^7/4

Basically just switch what you have for b and c and it'll be right

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A right triangle has a leg of 12 cm and a hypotenuse of 19 cm.

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Answer:

14.7 cm

Step-by-step explanation:

Using Pythagoras Theorem,

The length of the other leg

$= \sqrt{ {19}^{2} - {12}^{2} }$

$= \sqrt{217}$

$= 14.730919...$

= 14.7 cm (rounded to the nearest tenth)

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What is the solution of the equation 3 (×+2)=×+11

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x = 2.5

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A company that offers tubing trips down a river rents tubes for a person to use for $20 and “cooler” tubes to carry food and wat

aivan3 [116]

The group rent 11 river rent tubes and 4 cooler tubes.

Step-by-step explanation:

Rent for river rent tube = $20

Rent for cooler tubes = $12.50

Total spent = $270

Total tubes rented = 15

Let,

x be the number of river rent tube.

y be the number of cooler tubes.

According to given statement;

x+y=15 Eqn 1

20x+12.50y=270 Eqn 2

Multiplying Eqn 1 by 20

$20(x+y=15)\\20x+20y=300\ \ \ Eqn\ 3$

Subtracting Eqn 2 from Eqn 3

$(20x+20y)-(20x+12.50y)=300-270\\20x+20y-20x-12.50y=30\\7.50y=30$

Dividing both sides by 7.5

$\frac{7.5y}{7.5}=\frac{30}{7.5}\\y=4$

Putting y=4 in Eqn 1

$x+4=15\\x=15-4\\x=11$

The group rent 11 river rent tubes and 4 cooler tubes.

Keywords: linear equations, subtraction

Learn more about linear equations at:

#LearnwithBrainly

6 0

2 years ago

Anyone know the answer?​

Anyone know the answer?