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mamaluj [8]
3 years ago
13

Stephanie has $152 in the bank. she withdraw $20 Then she deposits $84. Write an addition expression to represent this situation

. Then find the sum and explain its meaning.
Mathematics
1 answer:
matrenka [14]3 years ago
7 0

withdraw means subtract, deposit means add

152 withdraws 20 deposits 84

152 -20 + 84

152 - 20 + 84 = 132 + 84 = 216

Now she has $216 in the bank

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It is CD

Step-by-step explanation:

because 300+200=500, juts times it by 3 and divide

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The equation of a line is given below. 6x -4y = 24. Find the x-intercept and the Y-intercept then use them to graph the line
ipn [44]

Answer:

x intercept is 4 and the y intercept is -6

Step-by-step explanation:

x-int:

6x=24

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y-int:

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Can someone please solve this x + 7 = 12
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Answer:

x=5

Step-by-step explanation:

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patriot [66]

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shusha [124]

Answer:

Part A) The probability is closer to 0, because is less than 50%

Part B) The probability is closer to 1, because is greater than 50%

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.  

The size of the sample space is the total number of possible outcomes  

The event space is the number of outcomes in the event you are interested in.  

so  

Let

x------> size of the event space

y-----> size of the sample space  

so

P=\frac{x}{y}

Part A) Is the probability of hitting the black circle inside the target closer to 0 or 1?

In this problem we have

x------> is the area of the black circle

y------> is the total area of the square target

<em>Find the area of black circle</em>

r=3/2=1.5\ units    

x=(3.14)(1.5)^{2} =7.065\ units^{2}

<em>Find the total area of the square target</em>

y=9^{2}=81\ units^{2}

Find the probability

P=\frac{7.065}{81}=0.0872

Convert to percentage

0.0872*100=8.72\%

The probability is closer to 0, because is less than 50%

Part B) Is the probability of hitting the white portion of the target closer to 0 or 1?

In this problem we have

x------> is the area of the white portion of the target

y------> is the total area of the square target

<em>Find the area of the white portion</em>

The area is equal to the area of the square minus the area of the circle

x=81-7.065=73.935\ units^{2}

Find the probability

P=\frac{73.935}{81}=0.9128

Convert to percentage

0.9128*100=91.28\%

The probability is closer to 1, because is greater than 50%

4 0
3 years ago
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