3 years ago

What is 7x^2-8x-9=-3x rounded to the nearest hundredth

Mathematics

1 answer:

jonny [76]3 years ago

5 0

Answer: 1.55, and -0.83

Step-by-step explanation:

You might be interested in

Consider this quadratic equation. 2x2 − 1 = 3x + 4 Which equation correctly applies the quadratic formula?

Mariulka [41]

Answer:

$\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)}$

Step-by-step explanation:

Quadratic formula: $\frac{-b+-\sqrt{b^2-4ac} }{2a}$

$2x^2-1=3x+4\\\\2x^2-3x-5=0\\\\\\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)} \\\frac{3+-\sqrt{9+40} }{4}$

$x = \frac{3+-7}{4}$

Hope this helps and God bless!

6 0

2 years ago

1+1? Will give brainliest to first correct answer.

d1i1m1o1n [39]

Answer:

1+1= 2

have a nice day stay safe

3 0

3 years ago

Read 2 more answers

Solve: -18 = -3x + 6

Stella [2.4K]

Let's start by moving all like terms to their own sides:

-18 = -3x + 6

3x = 6 + 18

3x = 24

x = 8

8 0

3 years ago

Read 2 more answers

Someone help me please, this topic is based on slopes.

Paul [167]

Answer:

run / rise =5/1

Step-by-step explanation:

The run is 5 and the rise is 1

3 0

3 years ago

What piece of information is needed to prove<br> the triangles are congruent through ASA?

Elden [556K]

Answer:

B. <B is congruent to the <Z

5 0

3 years ago

Read 2 more answers