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shepuryov [24]
3 years ago
14

Evaluate f(x)=3(2)x for x=−1.

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Replace x with -1

F(-1) = 3(2)(-1) =

3 times 2 times -1 = -6

The answer is -6

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Solve for the value of x.<br> ABC<br> 20<br> 28<br> 9x-8
Marizza181 [45]

28+20+9x-8=180

48+9x-8=180

9x=180-40

9x=140

×=15.56

6 0
2 years ago
When Mya looked out at the store's parking lot, she noticed that for every 4 cars, there were 6 trucks. If there's a total of 22
olasank [31]

Answer:

<h2>88 cars</h2><h2>132 trucks</h2>

Step-by-step explanation:

This is a ratio problem, the ratio of  cars to trucks

for every 4 cars, there are 6 trucks

represented as a ratio we have 4:6

1. how many of them are cars

applying the part to whole strategy we have

4+6 = 10

let cars be x

\frac{4}{10}= \frac{x}{220}  \\\\x= \frac{220*4}{10} \\\\x= 880/10\\\\x= 88 cars

2.  how many of them are trucks?

let trucks be y

\frac{6}{10}= \frac{y}{220}  \\\\x= \frac{220*6}{10} \\\\y= 1320/10 \\\\y= 132 trucks

3 0
3 years ago
Factor the equation 45x - 81
alex41 [277]

Answer:

Step-by-step explanation:

45x = 9*5*x

81 = 9*9

GCF = 9

Take 9 out using distributive property { a*b - c*b = b*(a-b)}

45x - 81 = 9*5x - 9*9

            = 9*(5x - 9)

          =9(5x-9)

5 0
3 years ago
Andre purchased 1 quart of lemonade
ololo11 [35]

Answer:

7

Step-by-step explanation:

3 0
3 years ago
PLS HELP ME EXPLAIN ITS VERY EASY TO DO BUT ITS HARD TO EXPLAIN AT THE SAME TIME PLEASE HELP
lara [203]
6x + 0.8 = 1.4....subtraction property .... subtract 0.8 from both sides
6x = 1.4 - 0.8 ...simplify
6x = 0.6 ... division property ... divide both sides by 6
x = 0.6/6 ...simplify
x = 0.1
4 0
3 years ago
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