3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST EXTRA 40 POINTS DONT SKIP :(( .!

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

6 0

Answer:

<h2>B) one solution</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

linear equation
PEMDAS

<h3>tips and formulas:</h3>

$\sf\text{a system of linear equation has only one solution if $\frac{a_1}{a_2}\neq \frac{b_1}{b_2}$}$

<h3>given:</h3>

$\begin{cases}2x - 4y = - 1 \\ 8x - 11y = - 19 \end{cases}$

<h3>let's solve:</h3>

$\sf substitute \: the \: value \: of \: a \: b : \\ \frac{2}{8} \ne \frac{ - 4}{ - 11} \\$

$\text{$\therefore$ the system of linear equation has only one solution}$

You might be interested in

If a 45 degree 45 degree 90 degree triangle has a hypotenuse length of 12 find the leg length

AURORKA [14]

Answer:

<h2>Leg length = 8.5</h2><h2 />

Step-by-step explanation:

let x represent the leg length

if we use the Pythagorean theorem we get:

x² + x² = 12²

then

2x² = 12²

Then

x² = 144/2 = 72

then

x = √(72)

=8,485281374239

7 0

3 years ago

A group of friends wants to go to the amusement park. They have no more than $235 to spend on parking and admission. Parking is

STALIN [3.7K]

228/28.50= 8 that should be right!

3 0

3 years ago

While Edward was visiting his sister in Westminster, he bought a toothbrush that was marked down 80% from an original price of $

Andre45 [30]

Answer:

$1.78

Step-by-step explanation:

5 0

3 years ago

Decide whether this situation is looking for the part, the percent, or the whole. 14 compact cars are 56% of the cars sold tha

bekas [8.4K]

Answer:percent

Step-by-step explanation: I don’t know

6 0

3 years ago

Read 2 more answers

What’s the domain and range of this graph look at the arrow.

viva [34]

Answer:

This is a acute angle in the digits 1,4,6 should help the answer is acute

4 0

3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

PLEASE HELP !! ILL GIVE BRAINLIEST EXTRA 40 POINTS DONT SKIP :(( .!