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3 years ago

Samuel bought 3 tires for $79.95 each and some rims for $59 each. He

2 answers:

7 0

524.85= 79.95(3) + 59r

I put $524.85 to the left of the equal sign because that is the total amount spent
Then I multiplied $79.95 by three. This is because he bought 3 tires, each for $79.95
I also multiplied 59 and r, because Samuel bought r number of rims, each for $59
Finally, I added both parts of the equation together because the three tires plus the r rims together cost a total of $534.85

Hope this helps :)

ruslelena [56]3 years ago

6 0

Answer:

(3)79.95 + 59r = 534.85

Step-by-step explanation:

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Part A)
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Part B:
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3 years ago

(3m±4/5n)2<br>solve this question<br>

sukhopar [10]

Answer:

(3m-4/5)2

Final result :

(15m - 4)2

——————————

Step by step solution :

Step 1 :

Simplify —

Equation at the end of step 1 :

(3m - —)2

Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Subtracting a fraction from a whole

Rewrite the whole as a fraction using 5 as the denominator :

3m 3m • 5

3m = —— = ——————

1 5

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

3m • 5 - (4) 15m - 4

———————————— = ———————

5 5

Equation at the end of step 2 :

(15m - 4)

(—————————)2

Step 3 :

Final result :

(15m - 4)2

———

Step-by-step explanation:

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3 years ago

Three landmarks of baseballachievement are Ty Cobb’s batting average of 0.420 in 1911,Ted Williams’s 0.406 in 1941, and George B

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Answer:

Ted Williams has the highest standardized score, hence Williams is the best of the three

Cobb is the second highest and hence, the better player

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Step-by-step explanation:

Given the data:

Decade : 1910 __ 1940 ____ 1970

Mean, μ: 0.266 __0.267 ___ 0.261

S/dev, σ : 0.0371 _ 0.0326 __ 0.0317

To compute the standard unit for batting averages, we obtain the standardized score for each of Cobb,Williams, and Brett.

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Ted Williams, x = 0.406

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COBB:

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Ted Williams :

Zscore = (0.406 - 0.267) / 0.0326 = 4.2638

George, Brett = (0.390 - 0.261) / 0.0317 = 4.0694

Ted Williams has the highest standardized score, hence Williams is the best of the three

Cobb is the second highest and hence, the better player

George Brett is third

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Answer:

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Step-by-step explanation:

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2 years ago

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