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LenaWriter [7]
3 years ago
10

Shelby has ten $54 bills and thirteen $10 bills. How much money does Shelby have in all? Giving brainliest

Mathematics
2 answers:
Firlakuza [10]3 years ago
5 0

Answer:

Well brainliest is cool so I will do this

Step-by-step explanation:

Shelby has $690.

13 $10 is 130 dollars and 10 $54 dollar bills is 540 and at that together is 690.

Alenkasestr [34]3 years ago
4 0

Answer:

Shelby has $670 in total.

Step-by-step explanation:

54×10=540

13×10=130

540+130=670

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What is the fraction and the percent of the shaded part in each square?
elena-14-01-66 [18.8K]

Answer:

Part a) The fraction is \frac{5}{9}

Part b) The percent is 55\frac{5}{9}\%

Step-by-step explanation:

Part a)

Find the fraction

we know that

To find the fraction of the shaded part in the square divide the number of shaded squares by the total number of squares

so

Let

x-------> the number of shaded squares

y-------> the total number of squares

f-------> the fraction of the shaded part

so

f=\frac{x}{y}

In this problem we have

x=20\ shaded\ squares

y=36\ total\ squares

substitutes

f=\frac{20}{36}

Simplify

\frac{20}{36}=\frac{5}{9}

Part b) Find the percent

To find the percent multiply the fraction by 100

so

\frac{5}{9}*100=\frac{500}{9}\%

convert to mixed number

\frac{500}{9}=\frac{495}{9}+\frac{5}{9}=55\frac{5}{9}\%

7 0
3 years ago
Read 2 more answers
Suppose the scores, x, on a college entrance exam are normally distributed with a mean of 500 and a standard deviation of 100. T
Volgvan

Answer:

The minimum score an applicant must receive for admission is 392.

Step-by-step explanation:

Let the minimum score required be 'x₀'.

Given:

Mean score (μ) = 500

Standard deviation (σ) = 100

Percentage required for admission, P > 86% or 0.86

So, we are given the area under the normal distribution curve to the right of z-score which is 86%.

The z-score table gives the area left of the z-score value. So, we will find the z-score value for area 100 - 86 = 14% or 0.14

So, for value equal to 0.1401, the z-score = -1.08

Now, P(x>x_0)=P(z>-1.08)

So, we find x₀ using the formula of z-score which is given as:

z=\frac{x_0-\mu}{\sigma}\\\\-1.08=\frac{x_0-500}{100}\\\\x_0-500=-1.08\times 100\\\\x_0=-108+500=392

Therefore, the minimum score an applicant must receive for admission is 392.

7 0
3 years ago
25 points!!!!!!!!!!!!!!!!!!!!!!<br> 2x+2y=, for ,x=-2,y=5
baherus [9]

Answer:

6

Step-by-step explanation:

2x+2y=2*(-2)+2*5=6

6 0
3 years ago
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Show all work to solve 3x2 - 5x – 2 = 0.
lianna [129]

Answer:

3x\cdot \:2-5x-2=0

6x-5x-2=0

6x-5x=x

x-2=0

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Hope it helps..

Have a great day!!

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3 years ago
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Please answer this. i really need help
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With what? what's the question
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