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notka56 [123]
3 years ago
5

Simplify the expression (25m^4) ^-1/2

Mathematics
1 answer:
3241004551 [841]3 years ago
6 0

the answer is 1/5m^2

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The Third Side Is Called The base if an isosceles triangle has perimeter 345 cm and base length 85 cm what is the length of each
maks197457 [2]

Answer:

Length of each leg = 130 cm.

Step-by-step explanation:

Given that there is an isosceles triangle which has perimeter 345 cm.

Base length =85 cm.

Since other two sides are equal, let the equal size = x

Perimeter = sum of all 3 sides of a triangle

= 85+x+x = 85+2x

But perimeter = 345 (given)

So equate x term perimeter with actual

85+2x = 345

Subtract 85

2x = 260

Divide by 2

x =130 cm.

Hence answer is 130 cm.

6 0
3 years ago
Read 2 more answers
What do I do with the x squared
Alexxandr [17]

first, find the square root of 45. and make x normal. a square root cancels out a square. It should be 6.7x

4 0
3 years ago
Please help!<br> what is it
Dmitrij [34]

Answer:

105

Step-by-step explanation:

The interior angle for R is supplementary to the 155 degree angle

(they add to 180)

180-155=25

The sum of the interior angles of a triangle is always 180

180-50-25= 105

3 0
2 years ago
Find the selling price is a store pays $12 for a book and the markup is 25%.
Brut [27]

Answer:

$15

Step-by-step explanation:

use a calculator and type 25%x12 and you will get 3

so 3 is 25% of 12

add 12 and 3 together to get your answer. $15

8 0
2 years ago
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.A ladder is leaning against a wall. The top of the ladder is 4 feet above the ground
Scorpion4ik [409]

Step-by-step explanation:

The ladder forms a triangle with the wall and ground.

The side of the triangle opposite of the 60° angle is 4 feet.

To find the length of the ladder (the hypotenuse), use sine.

sine = opposite / hypotenuse

sin 60° = 4 / L

L = 4 / sin 60°

L = 4 / (√3 / 2)

L = 8 / √3

L = 8√3 / 3

L ≈ 4.619 feet

To find the distance from the wall, use tangent.

tangent = opposite / adjacent

tan 60° = 4 / x

x = 4 / tan 60°

x = 4 / √3

x = 4√3 / 3

x ≈ 2.309 feet

8 0
3 years ago
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