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3 years ago

Which statements are true the ordered pair (1, 2) and the system of equations? y=−2x+47x−2y=3 Select each correct answer.

Mathematics

1 answer:

netineya [11]3 years ago

4 0

Ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

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-(-(8)))Explain how to answer

GuDViN [60]

$-(-(8))$

1. Remove the parenthesis using the next rules:

$\begin{gathered} -(+)=- \\ -(-)=+ \end{gathered}$

2. Start to remove the parentheses from the center to the edges:

$-(-(8))=-(-8)=+8=8$ <h2>Then, the solution is 8</h2>

3 0

2 years ago

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. What is the area of

Vaselesa [24]

Answer:

56,000

Step-by-step explanation:

3 0

3 years ago

What is the simplest version of 9/16×4/18

Masja [62]

Answer:

1/8

Step-by-step explanation:

9/16 * 4/18

Rewriting

9/18 * 4/16

9/18 = 1/2 and 4/16 = 1/4

1/2 * 1/4

1/8

6 0

3 years ago

Read 2 more answers

What is the sum of the solutions of the equation 1.5x^2 - 2.5x -1.5 = 0? Round to the nearest hundredth.

BARSIC [14]

Answer:

$Sum = 1.67$

Step-by-step explanation:

Given:

$1.5x^2 - 2.5x -1.5 = 0$

Required

Determine the sum of the solutions

This question will be answered using quadratic formula:

$x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}$

Where:

$a = 1.5$

$b = -2.5$

$c = -1.5$

So, we have:

$x = \frac{-(-2.5)\±\sqrt{(-2.5)^2 - 4*1.5*-1.5}}{2*1.5}$

$x = \frac{2.5\±\sqrt{6.25 +9}}{3}$

$x = \frac{2.5\±\sqrt{15.25}}{3}$

$x = \frac{2.5\±3.91}{3}$

$x = \frac{2.5+3.91}{3}$ or $x = \frac{2.5-3.91}{3}$

The sum of the solution is then calculated as:

$Sum = \frac{2.5+3.91}{3} + \frac{2.5-3.91}{3}$

Take L.C.M

$Sum = \frac{2.5+3.91+2.5-3.91}{3}$

$Sum = \frac{5}{3}$

$Sum = 1.67$

5 0

3 years ago

Please.help.me. thannkkkkksssss

kolbaska11 [484]

Answer:

correct

Step-by-step explanation:

5 0

3 years ago