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nevsk [136]
3 years ago
5

Michelle has x dollars. Tony has nine fewer dollars than Michelle. Drag and drop the expressions into the boxes to write an expr

ession that represents the total amount of money Michelle and Tony have together.
x

9
7
x + 7
−9
x + 9
​x−9
Mathematics
2 answers:
Radda [10]3 years ago
8 0

your answer is x+9+x





nekit [7.7K]3 years ago
8 0

Answer:

x+x-9

Step-by-step explanation:

I took the test online in K12 and when I reviewed it it said that x+x-9 is the correct answer. Have a nice day!

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What are the factors of 14 and the prime number
Dafna11 [192]
The factors of 14 are 1,2,7, and 14. The prime number are 2 and 7.
3 0
3 years ago
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Can someone please help me solve this?
maw [93]
-1, -2, 2.
Those are the zeros
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4 0
3 years ago
A random sample of 77 fields of corn has a mean yield of 26.226.2 bushels per acre and standard deviation of 2.322.32 bushels pe
PSYCHO15rus [73]

Answer:

Therefore the  95% confidence interval is (25,707.480 < E < 26,744.920)

Step-by-step explanation:

n = 77

mean u = 26,226.2  bushels per acre

standard deviation s = 2,322.32

let E = true mean

let A = test statistic

Find 95% Confidence Interval

so

let  A =  (u - E) *  (\sqrt{n}  / s)   be the test statistic

we want      P( average_l <  A  < average_u )  = 95%

look for  lower 2.5%  and the upper 97.5%  Because I think this is a 2-tail test

average_l =  -1.96  which corresponds to the 2.5%

average_u = 1.96

P(  -1.96  <  A  <  1.96)  =  95%

P(  -1.96  <  (u - E) *  (\sqrt{n}  / s)  <  1.96)  =  95%

Solve for the true mean E ok

E   <   u + 1.96* (s  / \sqrt{n})

from  -1.96  <  (u - E) *  (\sqrt{n}  / s)

E < 26,226.2 +  1.96*( 2,322.32 / \sqrt{77} )

E < 26,226.2 +  1.96*( 2,322.32 / \sqrt{77} )

E < 26,226.2 +  518.7197348105429466

upper bound is 26,744.9197

or

u - 1.96* (s  / \sqrt{n})  < E

26,226.2 -  518.7197348105429466  < E

25,707.48026519  < E

lower bound is 25,707.48026519

Therefore the  95% confidence interval is (25,707.480 < E < 26,744.920)

7 0
3 years ago
Eloise's rabbit cage is shape like a rectangular prism. The cage has a height of 28 inches and a volume of 8,680 cubic inches. E
Tems11 [23]

Answer:

310 inches²

Step-by-step explanation:

Given: A rectangular prism cage has a height of 28 inches.

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We know the area of base of rectangular prism is equal to the area of rectangle.

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Volume of rectangular prism= w\times l\times h

Where, w is width

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             h is height.

Now, putting the value in the formula of volume.

⇒ 8,680= w\times l\times 28

cross multiplying

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∴ wl= 310 inches²

As we need to find the area of the plastic mat on the bottom of the cage, which is rectangle in shape.

Area of rectangle= wl

∴ Area of rectangle= 310 inches²

Hence,  310 inches² is the area of the plastic mat on the bottom of the cage.

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3 years ago
What fraction is equal to 6​
faust18 [17]

Answer:

6/1

Step-by-step explanation:

4 0
3 years ago
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