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gogolik [260]
2 years ago
7

While shopping for clothes, Daniel spent $32 less than 2 times what Jaclyn spent. Daniel Spent $24. Write and solve an equation

to find how much money Jaclyn spent. Let x represent how much Jaclyn spent.
Mathematics
1 answer:
AlladinOne [14]2 years ago
8 0

Answer:

2x-32=24

Step-by-step explanation:

2x-32=24

2x=56

x=28

Hope this helps!

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Find the median of :
dusya [7]

Answer: 28.

Step-by-step explanation:

The median of a data set is defined as the middle value of a data set.

For instance, the median of the data set [4, 7, 8] would be 7 because it is the "middle value".

You can find this by sorting the numbers by smallest to largest:

2, 9, 15, 16, 21, 24, 28, 32, 34, 35, 37, 39, 40

There are 13 numbers in the set, so you can exclude the first 6 and last 6 numbers from the set to get your median, 28.

8 0
3 years ago
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Solve the equation a = m - n for the variable n. *
mart [117]

Answer:

n = m-a

Step-by-step explanation:

a = m-n

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3 0
3 years ago
For the period 1997-2003, the number of eggs y (in billions) produced in the United States can be modeled by the function y=-0.2
Viktor [21]

Answer:

Part a) The approximate years were 1998 and 2008

Part b) The graph in the attached figure

Step-by-step explanation:

Part a) we have

y=-0.27x^{2}+3.3x+77

For y=80\ billion\ eggs

Solve the quadratic equation

80=-0.27x^{2}+3.3x+77

0.27x^{2}-3.3x+3=0

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

0.27x^{2}-3.3x+3=0

so

a=0.27\\b=-3.3\\c=3

substitute in the formula

x=\frac{3.3(+/-)\sqrt{-3.3^{2}-4(0.27)(3)}} {2(0.27)}

x=\frac{3.3(+/-)\sqrt{7.65}} {0.54}

x=\frac{3.3(+)\sqrt{7.65}} {0.54}=11.23\ years

x=\frac{3.3(-)\sqrt{7.65}} {0.54}=0.99\ years

therefore

The approximate years are

1997+11=2008

1997+1=1998

Part b)

Using a graphing tool

we have

y=-0.27x^{2}+3.3x+77

y=80

The solution of the system of equations is the intersection point both graphs

The intersection point are (0.99,80) and (11.23,80)

see the attached figure

therefore

The solution part a) is correct

3 0
3 years ago
HELP PLZZZZZZ 40 POINTS IF RIGHT
lyudmila [28]

Answer:

probability

Step-by-step explanation:

is the chance or likelihood that an event will happen.  

It is the ratio of the number of ways an event can occur to the number of possible outcomes. We'll use the following model to help calculate the probability of simple events.

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