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padilas [110]
3 years ago
14

. 15 pens at $. 79 each 13 erasers at $.29 each.​

Mathematics
1 answer:
gregori [183]3 years ago
3 0

Answer:

15.62

Step-by-step explanation:

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PLEASE HELP! 30 POINTS! What are the zeros of the function?
marusya05 [52]
Solve the equation
f(t) = 0
So we have:
{t}^{2}  - 13t + 36
Factor, 2 numbers of which the sum is -13 and multiplying gives 36, these two are -4 and -9
So solve:
(x - 4)(x - 9) = 0
The solutions:
4 and 9


4 0
3 years ago
Evaluate 14 + (-8) ÷ 2 · -3. -9 15 26 -30
Rudiy27

For this case we must evaluate the following expression:

14 + (- 8) ÷ 2 * -3

According to the method of algebraic resolution, called PEMDAS, the divisions and multiplications must be made from left to right, before the addition and subtraction, then:

14 + (- 4) * - 3 =

We eliminate the parenthesis keeping in mind that - * - = +

14 + 12 =

Equal signs are added and the same sign is placed:

14 + 12 = 26

Answer:

26

7 0
3 years ago
Use
Tcecarenko [31]
So this in the exponential form of ab^x, where a is the y intercept, b is the growth factor(base) and x is your domain. From this, we can answer each question. The initial amount is 800, growth rate is 32% and factor is 1.32.


Happy learning!
6 0
2 years ago
PLZZ I WILL GIVE BRAINLIST PLEASE ANSWER ASAP!!!!
lora16 [44]

Answer:

Option C. -3x^2-13x-5

Step-by-step explanation:

we know that

To find how much greater is the area of room A than the area of room B. subtract the area of room B from the area of room A

so

(5x^{2}-7x-6)-(8x^{2}+6x-1)\\ \\= (5x^{2}-7x-6)-8x^{2}-6x+1\\ \\=(5x^{2}-8x^{2})+(-7x-6x)+(-6+1)\\ \\=-3x^{2} -13x-5

8 0
3 years ago
NEED HELP..........NOW
harkovskaia [24]

The first, third, and fifth options, hope this helps

6 0
2 years ago
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