3 years ago

Help with math question please thanks so much

Mathematics

2 answers:

vladimir1956 [14]3 years ago

8 0

$\frac{-b(+/-) \sqrt{b^{2} + 4ac}}{2a}$

where ax^2+bx+c=0

a=1
b=-2
c=-4

Just plug in.

x=1+√5
x=1-√

lara31 [8.8K]3 years ago

4 0

$x=1 \sqrt{5}$
$x=3.23606797,-1.23606797$
Hope my answer helped!

You might be interested in

A blueprint has a scale of one eighth inequals1 ft. On the blueprint, a wall is drawn 2 and three eighths in long. What is the

katrin2010 [14]

19 feet

convert 2 $\frac{3}{8}$ into an improper fraction

2 $\frac{3}{8}$ = $\frac{19}{8}$

hence the length of the wall is 19 feet

8 0

3 years ago

Mrs.joshi bought a saree for Rs 1750.she sold it at a profit of 4%.what would be her profit or loss percent ?

bekas [8.4K]

Answer: Rs 1820

Step-by-step explanation:

This is profit, thus is it a percentage increase of 4%. Thus, she sold the saree for 104% of what she bought it for, Rs 1750. Thus, simply do 1.04*1750 to get 1820.

<em>Hope it helps <3</em>

7 0

3 years ago

Please answer this! I really suck at math and I need to do well.

Mariulka [41]

I believe it would be G.

5 0

2 years ago

If the rule of the function is "multiply by 2 then add 3" and the input value is -2, what is the output value?

miv72 [106K]

The equation would be 2x+3 so when you plug it in it's 2(-2)+3 which simplify to -4+3 which is -1

5 0

3 years ago

(02.05 MC)

Amiraneli [1.4K]

Table for f(x)

$\boxed{\begin{array}{c|c}\boxed{\bf x}&\boxed{\sf f(x)}\\ \sf 0 &\sf 1 \\ \sf 2&\sf 9\\ \sf 4 &\sf 17\end{array}}$

Table for g(x)

$\boxed{\begin{array}{c|c}\boxed{\bf x}&\boxed{\sf g(x)}\\ \sf 0 &\sf 1 \\ \sf 2&\sf 7\\ \sf 4 &\sf 13\end{array}}$

Option C is correct

3 0

3 years ago

Read 2 more answers