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2 years ago

64 is 4 times the difference between a and 44, a is greater than 44

Mathematics

1 answer:

Lelechka [254]2 years ago

4 0

Answer:

a is equal to 60

Step-by-step explanation:

From the question,

64 = 4(a-44)

expanding the bracket;

64 = 4a - 176

64 + 176 = 4a

240 = 4a

Divide by 4;

a = 240/4

a = 60

60 is greater than 44.

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Compute x/y if

Ivenika [448]

Answer:

Y = 1/4x-1

X = 4y-1

Step-by-step explanation:

layout the equations :

x+1/y = 4 y+1/x = 1/4

solve the equations, remember to switch sides switch signs solving the equations will give us the value of the letter

x+1/y = 4

x+1 = 4y

x=4y-1

***

y+1/x = 1/4

y+1 = 1/4x

y = 1/4x-1

4 0

2 years ago

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Natalie has 350 pencils. She is packing them in boxes that each hold 14 pencils. How many boxes will Natalie fill with pencils?

ohaa [14]

Answer:

Step-by-step explanation:

350/14=25

Natalie will fill 25 boxes with pencils.

3 0

3 years ago

Kelly's team won 85% of the games they played in a season. The team lost 12 games. How many games did Kelly's team win in the se

mr_godi [17]

Answer:

68 games

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Games won = 85%

Game lost = 12

Here, 100% - 85% = 12

15% = 12

or 1% = 0.8

So, total games played (100%) = 80 games

Now, number of games won = Total games - Games lost

= 80 - 12

= 68 games

Hence, Kelly's team wins 68 games in the season.

6 0

3 years ago

Customer arrivals at a bank are random and independent; the probability of an arrival in any one-minute period is the same as th

deff fn [24]

Answer:

a)0.2240

b)0.5768

Step-by-step explanation:

Given:

µ=3

Poison probability is given by :

$f_k=\frac{\mu^ke^-^\mu}{k!}$

a) Evaluating at k=3

$f(3)=\frac{3^3e^-^3}{3!} \approx 0.2240$

b)Evaluating at k=0,1,2:

$f(0)=\frac{3^0e^-^3}{0!} \approx 0.0498$

$f(1)=\frac{3^1e^-^3}{1!} \approx 0.1494$

$f(2)=\frac{3^2e^-^3}{2!} \approx 0.2240$

Use complement rule:

P(x≥3)= 1 - f(0) - f(1) - f(2)= 1- 0.0498 - 0.1494 - 0.2240 =0.5768

4 0

3 years ago

A flight from Boston to London took only 5 hours because of a strong tailwind. The flight back to Boston against the same wind t

Nata [24]

Step-by-step explanation:

let v is the speed of the wind,

the equation of the speed:

(550 + v ) × 5 = (550 - v) × 6

2750 +5v = 3300 - 6v

11v = 3300 - 2750

11v = 550

v = 550/11

v = 50

therefore, the speed of the wind =

50 mph

3 0

2 years ago

Read 2 more answers