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zlopas [31]
3 years ago
7

238 +439 round you're answer to the. earest dollar​

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0

Answer:

677

Step-by-step explanation:

238 + 439 = 677

It is t possible to round it form the ones (dollar) place.

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A company manufactures cell phones. In August, a random sample of 125 cell phones was inspected, and 3 phones were found to be d
german

Answer:

192

Step-by-step explanation:

To find how many phones are expected to be defective, we need to represent the values in a fraction.

\dfrac{x}{8000}=\dfrac{3}{125}

x = number of defective phones

Now we can solve this using algebra.

To get the value of x we need to multiply both sides by 8000 to leave x alone.

x=\dfrac{3}{125}(8000)

x=0.024(8000)

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So around 192 cell phones are expected to be defective out of 8000 phones.

6 0
3 years ago
What type of triangle is formed by joining the points D(7, 3), E(8, 1), and
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D(7, 3), E(8, 1), and  F(4, -1)

We calculate the squared distances between the points:

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DF^2=3^2+4^2=25

Since DF^2=DE^2+EF^2 we have a right triangle with hypotenuse DF.

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3 years ago
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11 people. Hope this helped!!
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Step-by-step explanation:

steps are in picture above.

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Answer:

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