2 years ago

The triangle below is isosceles. Find the length of side x in simplest radical form with

Mathematics

1 answer:

Grace [21]2 years ago

3 0

Step-by-step explanation:

it's the square equal to the equivalent equation to equal 5 673y

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What is the answer to -30x+100=-22x+140

harina [27]

Answer:

x=-5

Step-by-step explanation:

Add 22x to both sides: -8x+100=140

Subtract 100 from both sides: -8x=40

Divide both sides by -8: x=-5

So the answer is x=-5

5 0

3 years ago

Read 2 more answers

What property of a rhombus is used in this proof of showing that a triangle is an equilateral triangle?

iragen [17]

Answer:

Step-by-step explanation:

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2 years ago

The value of √30 is between which two to numbers ?

Naddika [18.5K]

5 and 6, the value is about 5.48

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3 years ago

A rectangle's perimeter is equal to 27 plus its width. The length of the rectangle is four times its width. What is the

lara31 [8.8K]

Answer:

P = 3

Step-by-step explanation:

L = 4*w

P = 27 + w

P = 2*L + 2*w = 27 + w

2L = 2*(4w) = 8w

Put that into the perimeter formula (the first one.)

P = 8w + 2w = 27 + w

10w = 27 + w Subtract w from both sides

9w = 27 Divide by 9

w = 27 / 9

w = 3

You should find the Length just so you can check it.

L = 4w

L = 4*3

L = 12

Check

P = 2L + 2w

P = 2*12 + 2*3 = 30

P = 27 + w

P = 27 + 3

P = 30 and everything checks.

8 0

3 years ago

In a certain game, a player can solve easy or hard puzzles. A player earns 30 points for solving an easy puzzle and 60 points fo

Aleksandr-060686 [28]

Answer: Second option.

Step-by-step explanation:

Let be "e" the number of easy puzzles Tina solved and "h" the number of hard puzzles Tina solved.

Set up a system of equations:

$\left \{ {{e+h=50} \atop {30e+60h=1,950 }} \right.$

You can use the Eliminationn Method to solve this system of equations:

Multiply the first equation by -30.
Add the equations.
Solve for "h".

Therefore, through this proccedure, you get:

$\left \{ {-30e-30h=-1,500} \atop {30e+60h=1,950 }} \right.\\.........................\\30h=450\\\\h=\frac{450}{30} \\\\h=15$

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3 years ago