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3 years ago

What is (1/4 + 5/4) 2 + 3/4 (The two is an exponent)

Mathematics

1 answer:

larisa86 [58]3 years ago

7 0

Answer:

51,958

Step-by-step explanation:

1x1x1x1= 1 5x5x5x5= 625 3x3x3x3=81

1+625= 626

81+2= 83

626x83

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What is the sum?<br> 8+(-12)<br> -20<br> 24<br> 4<br> 20

blagie [28]

Answer:

-4

Step-by-step explanation:

adding a negative is the same as subtracting a positive

<h2><u><em>xoxo, </em></u></h2><h2><u><em>your highness...</em></u></h2>

4 0

3 years ago

Read 2 more answers

What is the area of the equilateral triangle, rounded to the nearest tenth? 2.7 cm2 4.1 cm2 16.2 cm2 24.2 cm2

Paul [167]

The area of the equilateral triangle with the given perimeter is 24.2cm².

Hence, option D)24.2cm² is the correct answer.

This question is incomplete, the complete question is:

An equilateral triangle has an apothem measuring 2.16 cm and a perimeter of 22.45 cm. What is the area of the equilateral triangle, rounded to the nearest tenth?

<h3>What is a triangle?</h3>

A triangle is simply a two-dimensional polygon with 3 sides and 3 interior angles.

An equilateral triangle is a triangle with all its three sides having the same length

The area of an equilateral triangle is expressed as;

A = ((√3)/4)a²

Where a is the length of the side

Perimeter of an equilateral triangle is expressed as;

P = 3a

Where a is the length of the side

Given that the perimeter of the equilateral triangle is 22.45 cm, the sides of the triangle will be;

P = 3a

22.45cm = 3a

a = 22.45cm / 3

a = 7.48cm

Now, the area of the equilateral triangle will be;

A = ((√3)/4)a²

A = ((√3)/4) × (7.48cm)²

A = 0.433 × 55.9504cm²

A = 24.2cm²

The area of the equilateral triangle with the given perimeter is 24.2cm².

Hence, option D)24.2cm² is the correct answer.

Learn more about triangles here: brainly.com/question/19305981

#SPJ4

5 0

2 years ago

Branilest and 30 point please answer

Lynna [10]

Answer:

<em>Addition Property of Equality</em>

Step-by-step explanation:

<u>System of Equations</u>

When two equations are given and two variables are unknown in both equations, then we can solve the system in several ways.

One method consists in adding both equations term by term and eliminate one of the variables. That property is called the addition of equalities. Let's consider the equations given in the problem:

$5x+4y=-2\\2x-4y=6$