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andreyandreev [35.5K]
3 years ago
15

What should be added to 66.778 get 78.2​

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0

Answer:

11.422

Step-by-step explanation:

78.2 - 66.778   \\ = 11.422

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the diameter of a piston for an automobile is 3 11/16in with tolerence of 1/64in. find the upper and lower limits of the pistons
padilas [110]

Upper Tolerance

Remark

The 11/16 is the only thing that will be affected. The three won't go up or down when we add 1/64 so we should just work with the 11/16. We need only add 11/16 and 1/64 together to see what the upper range is. Later on we can add 3 into the mix.

Solution

<u>Upper Limit</u>

\dfrac{11}{16} +  \dfrac{1}{64}

Now change the 11/16 into 64. Multiply numerator and denominator or 11/16 by 4

\dfrac{11*4}{16*4} +  \dfrac{1}{64}

\dfrac{11*4}{16*4} +  \dfrac{1}{64} Which results in

\dfrac{44}{64} +  \dfrac{1}{64}

With a final result for the fractions of 45/64

So the upper tolerance = 3 45/64

<u>Lower Tolerance</u>

Just follow the same steps as you did for the upper tolerance except you subtract 1/64 like this.

\dfrac{11}{16} - \dfrac{1}{64}

Your answer should be 3 and 43/64


4 0
3 years ago
In Arizona, a minimum temperature of -40°F was recorded at Hawley Lake 1971. A maximum recorded
ddd [48]
I Believe it would be 53 because it’s asking what is the difference and they difference would have to be 53 your going from a negative to a positive
3 0
2 years ago
A relation is a function if _____.
valentina_108 [34]
... <span>exactly one output for each input

This is an important concept; be certain that you understand it.

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8 0
3 years ago
You deposit $400in an account. The account earns $18 simple interest in 9 months. What is the annual interest rate?
Masteriza [31]

Answer:

.5

Step-by-step explanation:

if you put 400 in an account and for nine months with 0.5 interest rate you would get 418.41 so 0.5 is the answer

7 0
2 years ago
State whether the following statement is true or​ false, and explain why. If the statement is​ false, state the true change. A h
katovenus [111]

Answer:

False

Step-by-step explanation:

Given that a high school reports that its​ students' SAT scores were down by 12​% in one year. The next​ year, however, the test scores rose by 20​%.

Let score initially be 100

Down by                     12

Next year score         88

For succeedingyear

increase is 20%        =20% of 88=17.6\\

Score in the 2nd year = 88+17.6 = 105.6

Hence overall scores improvement is 5.6% and not 8%

5 0
2 years ago
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