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snow_lady [41]
3 years ago
10

9a ^ 2 + 24a + 16 please send me the answer fast ​

Mathematics
1 answer:
igomit [66]3 years ago
7 0

Answer:

(3a +4)²

have a nice day!

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A cashier collects 124 bills totaling $920 dollars. Assuming that the cashier collects $5, $10, and $20 bills, and that she coll
musickatia [10]
Let the no. of $10 bills be x, the no. of $5 bills be 2x, and the no. of $20 bills be y.

<span>A cashier collects 124 bills => x + 2x + y = 124  => 3x +y =124

</span>totaling $920 dollars => ($10)(x) + ($5)(2x) + ($20)(y) = $920 => 20x + 20y = 920

Now you got 2 equations :
3x +y =124 &
20x + 20y = 920

3x +y =124 => y=124-3x
Then Sub y=124-3x into 20x + 20y = 920,
ie. 20x + 20(124-3x) = 920 
     20x + 2480 - 60x = 920
     2480 - 40x = 920
      2480 - 920 = 40x
               1560 = 40x
                      x = 39

6 0
4 years ago
PLEASE HELP!! ILL MARK BRAINLYEST!!!
wlad13 [49]

Answer:

b. lol.

Step-by-step explanation:

yeah I'm almost positive

4 0
3 years ago
Sorry for asking again but I really need help please and thank you
aleksandrvk [35]

Answer:

i d k

Step-by-step explanation:

8 0
3 years ago
How can a linear approximation be used to approximate the value of a function f near a point at which f and f prime are easily​
sammy [17]

Answer:

This can be solved by calculating a first degree Taylor approximation polynomial for the function in question around x=a. Taylor's first degree polynomial is given by:

P_1(a) =f(a) +f'(a)(x-a)

Through this expression, which is easily evaluable around the point x = a, the function f (x) is approximated through a linear function.

Step-by-step explanation:

4 0
3 years ago
Marcy's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 60 coffees in all, 33 of which were regu
Olenka [21]

Answer:

55%

Step-by-step explanation:

Percentage of regular coffees = \frac{33}{60} × 100%

                                                  = 55%

7 0
3 years ago
Read 2 more answers
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