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Mrrafil [7]
3 years ago
9

What is f(-3) for the function f(a)=-2a2-5a+4?

Mathematics
1 answer:
posledela3 years ago
4 0

Answer:

-25

Step-by-step explanation:

2a² - 5a + 4, for f(-3)

2(-3)² -5(-3)+4

2*(-27)+15+4

-54+19

= -25

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Today, 5 friends went out for lunch. Their total bill was $34.15, including tax and gratuity. They decided to split the bill equ
earnstyle [38]

Answer:

5 people times $10=50

$50-$34.15=15.85

15.85 divided by 5 people. Equals $3.17

Answer:

3.17?

7 0
3 years ago
Julio says, "If you subtract 17 from my number and multiply the difference by - 3, the result is
Ksju [112]

Answer:

30

Step-by-step explanation:

first, create two equations.

let x = Julio's number and y = answer for Julio's number substrates 17

x - 17 = y \\ y ( - 3) =  - 39 \\

by using substitution method, you will get

x = 30 \\ y = 13

so the answer is 30

4 0
3 years ago
A train travels 18 km in 30 minutes.Find the speed of the train in km/h
anyanavicka [17]

Step-by-step explanation:

s=d/t

s=18/30

s=3/5km/h

3 0
3 years ago
What is the solution to -122 <-3 (-2-8×)-8×?
Furkat [3]

Answer:

solution is

(-8,\infty)

Step-by-step explanation:

we are given inequality as

-122

Firstly, we will simplify it

-122

-122

-122

now, we can subtract both sides by 6

-122-6

-128

now, we can divide both sides by 16

and we get

\frac{-128}{16}

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so, solution is

(-8,\infty)


6 0
3 years ago
Which equations show the associative property?
Ivenika [448]
The 3 answers are A, B and C
6 0
4 years ago
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