3 years ago

− 2 a + 4 b − c 2 if a = -5, b=7, c=1

Mathematics

2 answers:

scoray [572]3 years ago

7 0

36 because -2(-5)+4(7)-2(1)=36

seraphim [82]3 years ago

7 0

Answer:

the person above is correct and the problem is very easy and it's easier if u break it down on a sheet of paper

You might be interested in

Which sum will be irrational

ivolga24 [154]

<h2>Hey there! </h2>

<h3>The answer is: </h3>

<h3>Option 'B' </h3>

$\sqrt{19} + \frac{7}{2}$

<h2>BECAUSE root 19 is irrational. </h2>

5 0

3 years ago

What is the quotient of the rational expressions shown below 5/x-2 / x/x-1

Anestetic [448]

Answer:

$\frac{5 - 5x^{-1} }{x - 2}$

Step-by-step explanation:

$\frac{5}{x - 2}$ ÷ $\frac{x}{x -1}$

This equals;

( $\frac{5}{x - 2}$ ).( $\frac{x - 1}{x}$ )

(5x -5) ÷ (x² - 2x

Simplifying this gives: $\frac{5 - 5x^{-1} }{x - 2}$

7 0

4 years ago

Which expression is equivalent to 0.25×0.25×0.25×0.25+1.25×1.25×1.25?

Umnica [9.8K]

Answer:

.25^4 + 1.25^3

Step-by-step explanation:

3 0

3 years ago

Find the perimeter of A ABC with vertices A(1,5),<br> B(1,2), and C (-4,5).<br> y

SVEN [57.7K]

Answer:

The answer would be A.

Step-by-step explanation:

Sorry if the answer is wrong.

5 0

3 years ago

How to find the area of an octagon. Just the formula.

Softa [21]

Answer:

A=2(1+√2)a2

Step-by-step explanation:

6 0

3 years ago