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Firlakuza [10]
3 years ago
13

8. Anoki Shah washes windows for Sparkle Cleans. He gets paid $1.39 per window. Last week he clean 284 windows. What was his tot

al pay? (Steps included how to solve problem along with answer please)
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0
284 x $1.39= $394.76
He made $394.76 washing 284 windows last week
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It is estimated that 30% of households own a riding lawn mower. A sample of 17 households is studied. What is the standard devia
alina1380 [7]

Answer:

1.89 is the standard deviation of households who own a riding mower

Step-by-step explanation:

Let the random variable X denote the number of households owning a riding lawn mower. From the given information, X will be a Binomial random variable with parameters; n = 17 and  p = 30% = 0.3

The standard deviation of X;

\sqrt{n*p*(1-p)}

\sqrt{17*0.3*(1-0.3)} =1.89

7 0
3 years ago
Tom makes $137.10 in 3 days. How much does he make in 2 days?
earnstyle [38]
Answer: $91.40
Explanation
137.10/3=45.7
45.7x2=91.4
4 0
2 years ago
Read 2 more answers
What is the range of the values shown on the table? What does the range represent?
hjlf

Answer:

Option D)R: {0 ≤ y ≤ 360}; The range represents the number of miles the car can travel

Step-by-step explanation:

The table in the attached figure

Let

x -----> the amount of gas used in gallons (independent variable)

y ----> the number of miles the car can travel (dependent variable)

In this problem

The domain is the interval -----> [0,12]

0\ gal \leq x \leq 12\ gal

The range is the interval ----> [0,360]

0\ miles \leq y \leq 360\ miles

3 0
3 years ago
Two investments totallng $47,500 produce an annual income of $3000. One investment ylelds 9% per year, while the other yields 6%
enot [183]

Answer:

The correct answer is "$5000".

Step-by-step explanation:

The given values are:

Two investments totaling,

= $47,500

Annual income,

= $3000

One investment yields per year,

= 9%

Other yield,

= 6%

Let,

  • The amount invested in 9% will be "x".
  • The amount invested in 6% will be "47,500-x".

Now,

⇒  0.09x+0.06(47,500-x)=3000

⇒        0.09x+2850-0.06x=3000

⇒                     0.03x+2850=3000

⇒                                0.03x=150

⇒                                       x=\frac{150}{0.03}

⇒                                       x=5000

5 0
2 years ago
Convert each fraction to a decimal then a percent 4/25 3/11
sashaice [31]

Answer:

4/25=0.16=16%

3/11=0.27=27%

Step-by-step explanation:

5 0
2 years ago
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