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ddd [48]
2 years ago
12

Look at the sample work shown and determine the error, if any.

Mathematics
1 answer:
Ksivusya [100]2 years ago
6 0
There is no image? Please input an image so I can try to help :)
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Write f(x) = 2x2 – 44x 185 in vertex form. To write f(x) = 2x2 – 44x 185, factor out from the first two terms. Next, form a perf
Tasya [4]

The quadratic function f(x) = 2x² – 44x + 185 is written in vertex form is f(x) = 2(x –  11)² – 57.

<h3>What is a quadratic equation?</h3>

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

The quadrattic equation is f(x) = 2x² – 44x + 185.

Take common 2 from the equation, we have

f(x) = 2(x^2 - 22x )+ 185

Add and subtract 121, we have

f(x) = 2(x^2 - 22x +121 - 121 )+ 185\\\\f(x) = 2[(x^2 - 11)^2-121]+ 185\\\\f(x) = 2(x-11)^2 - 242 + 185\\\\f (x ) = 2(x-11)^2 -57

And we know that the standard equation

f(x) = a(x - h)² + k

On comparing, we have

The vertex (h, k) is (11, -57).

More about the quadratic equation link is given below.

brainly.com/question/2263981

5 0
2 years ago
Simon bought 3.5 pounds of Beef on sale for $1.25 per pound at HEB. If Simon gave the cashier $10.00, how much change would he r
Lera25 [3.4K]

Answer:

$5.625

Step-by-step explanation:

Cost per pound of beef = $1.25 per pound

Number of pounds purchased = 3.5 pounds

Amount given to cashier = $10.00

Amount of change to receive from cashier =?

Amount issued to cashier - total cost of beef

Total cost of beef = (number of pounds * cost per pound)

Total cost of beef = (3.5 * 1.25) = $4.375

$10 - $4.375 = $5.625

4 0
3 years ago
Find the missing side in the right triangle, Round to the nearest tenth,<br> 
N76 [4]

Hello!

\large\boxed{c = 12.65}

Use the Pythagorean Theorem to solve for the hypotenuse:

a² + b² = c²

Plug in the given values:

12² + 4² = c²

144 + 16 = c²

160 = c²

Take the square root of both sides:

c = √160

c ≈ 12.65.

3 0
2 years ago
Solve for x 4(2x+1)=27+3(2x-5)
Burka [1]
The correct answer is x=4
3 0
3 years ago
Find the value of x <br> Please help this is due 6pm
Varvara68 [4.7K]
In SOHCAHTOA you want to use cosine (CAH)
Cos75 = x/30
Use algebra to get x by itself.
So type into your calculator:

30cos(75) which equals 7.76
5 0
3 years ago
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