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OLga [1]
3 years ago
8

Ellus

Mathematics
1 answer:
butalik [34]3 years ago
4 0

9514 1404 393

Answer:

  2.25

Step-by-step explanation:

Add the square of half the x-coefficient to complete the square.

  (-3/2)² = 9/4 = 2.25

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Cashews cost $4 per pound and peanuts cost $2.50 per pound. If you mix 4 pounds of cashews and 4 pounds of peanuts, what is the
SCORPION-xisa [38]

$6.50 per pound $4.00 +$2.50=$6.50

6 0
3 years ago
Express your answer as a polynomial in standard form
Bingel [31]

Answer:

f(g(x)) = 4x² + 16x + 13

Step-by-step explanation:

Given the composition of functions f(g(x)), for which f(x) = 4x + 5, and g(x) = x² + 4x + 2.

<h3><u>Definitions:</u></h3>
  • The <u>polynomial in standard form</u> has terms that are arranged by <em>descending</em> order of degree.
  • In the <u>composition of function</u><em> f  </em>with function <em>g</em><em>, </em>which is alternatively expressed as <em>f  </em>° <em>g,</em> is defined as (<em>f </em> ° <em>g</em>)(x) = f(g(x)).

In evaluating composition of functions, the first step is to evaluate the inner function, g(x). Then, we must use the derived value from g(x) as an input into f(x).

<h3><u>Solution:</u></h3>

Since we are not provided with any input values to evaluate the given composition of functions, we can express the given functions as follows:

f(x) = 4x + 5

g(x) = x² + 4x + 2

f(g(x)) = 4(x² + 4x + 2)  + 5

Next, distribute 4 into the parenthesis:

f(g(x)) = 4x² + 16x + 8  + 5

Combine constants:

f(g(x)) = 4x² + 16x + 13

Therefore, f(g(x)) as a polynomial in <em>x</em> that is written in standard form is: 4x² + 16x + 13.

8 0
2 years ago
I don’t really know how to solve these can you guys help?
Ulleksa [173]

Answer:

So the total is 400 and then you have 4 servings

so 400/4 = 100 cal per serving

6 0
2 years ago
Diamond went to lunch with her friends. The total bill came to $32.20. If Diamond tipped 20 percent, how much tip did she leave?
barxatty [35]

Answer:

$6.44

Step-by-step explanation:

Take your $32.20 and X's it by 20% = $6.44

Mark brainilist pls!

6 0
2 years ago
Read 2 more answers
Helpppppoo lol anyways ‍♀️‍♀️‍♀️‍♀️
alina1380 [7]

Answer:

Range = 5

Mode = 7

Step-by-step explanation:

To find range we first need to find the highest number and the lowest number

3 , 4 , 4 , 7 , 7 ,7 ,7 7, 8

least number = 3

highest number = 8

now substract the lowest number from the highest to get the range

= 8-3

= 5

range = 5

Mode : the most common number in the list will be our mode

7 is our mode as it came 5 time in the list

8 0
3 years ago
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