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2 years ago

X - 13 = x + 1 is it true

Mathematics

2 answers:

Nikolay [14]2 years ago

8 0

Answer:

Not true

Step-by-step explanation:

If we subtract x from both sides we geet -13 = 1, which of course is FALSE.

natulia [17]2 years ago

7 0

Answer:

No it is wrong

Step-by-step explanation:

let's say the number is 15 is a substract 13 I get 2 but let's take 15 again of I add one I have 16 so it's incorrect

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A new price of an item is $39.32. The percent increase was 16%. What was the original price?

Fiesta28 [93]

Answer:

let x =the original price

then 116x/100=$39.32

116x=100×39.32

116x=3932

divide both sides by 116

116x/116=3932/116

x=33.89655

(2dp)

x=33.90

4 0

2 years ago

A cat weighs more or less than one ounce????

Delvig [45]

Answer:

i believe more than 1 ounce let me know if im wrong

Step-by-step explanation:

4 0

2 years ago

The time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with l=0.0003

Dvinal [7]

Answer: 0.0497870 ; 0.87754

Step-by-step explanation:

Given that :

λ = 0.0003

Defining a continuous distribution function :

F(x) = 1 - e^-λx = 1 - e^-0.0003x ; x ≥ 0

a. What proportion of the fans will last at least 10,000 hours?

P(x ≥ 10000) = e^-0.0003(10000) = 0.0497870

b. What proportion of the fans will last at most 7000 hours?

P(x ≥ 7000) = 1 - p(x ≤ 7000) = 1 - e^-0.0003(7000)

1 - 0.12245642825 = 0.87754

3 0

3 years ago

A slot machine has 3 slots. For each slot, the possible outcomes are an apple, orange, lemon, banana, melon, and a joker. When t

PolarNik [594]

Answer:

1. 15

2. 75

Step-by-step explanation:

The possible outcomes are an apple (A), orange (O), lemon (L), banana (B), melon (M), and a joker (J), 6 outcomes in total.

1. You could win with 2 jokers in

$5+5+5=15$ different ways.

You can list all these ways:

JJA JAJ AJJ

JJO JOJ OJJ

JJL JLJ LJJ

JJB JBJ BJJ

JJM JMJ MJJ

2. You could win with 1 joker in

$5\cdot 5+5\cdot 5+5\cdot 5=75$ different ways

You can list all these ways:

JAA JAO JAL JAB JAM

JOA JOO JOL JOB JOM

JLA JLO JLL JLB JLM

JBA JBO JBL JBB JBM

JMA JMO JML JMB JMM

AJA AJO AJL AJB AJM

OJA OJO OJL OJB OJM

LJA LJO LJL LJB LJM

BJA BJO BJL BJB BJM

MJA MJO MJL MJB MJM

AAJ AOJ ALJ ABJ AMJ

OAJ OOJ OLJ OBJ OMJ

LAJ LOJ LLJ LBJ LMJ

BAJ BOJ BLJ BBJ BMJ

MAJ MOJ MLJ MBJ MMJ

6 0

3 years ago

Find -x + 10 less than 0.<br><br> 0<br> -x + 10<br> x - 10

Tema [17]

I think the answer is x - 10

7 0

3 years ago

Read 2 more answers