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2 years ago

You are buying a new XBox remote control. It is advertised for $50.00. You have a coupon to

Mathematics

1 answer:

scoray [572]2 years ago

8 0

Answer:

39.44

Step-by-step explanation:

25% of 50 is 12.5. Subtract 12.5 from 50 to get 37.5. 6.5% of 37.5 is 2.4375. add 2.4375 to 37.5 to get 39.44 rounded to the nearest hundredth

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Budget CDs are $5 each. How many CDs can you buy with $27?

AnnyKZ [126]

Answer:

You can buy 5 CDs.

Step-by-step explanation:

You can buy 5 CDs with $25. but you only have $2 left.

(know go buy some Chocolate. :P XD ^_^)

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3 years ago

Solve 2x2 + 20x = −38.

cestrela7 [59]

2x^2+20x=-38 divide both sides by 2

x^2+10x=-19, halve the linear coefficient, square it, than add that value to both sides of the equation, in this case add (10/2)^2=25...

x^2+10x+25=6 now the left side is a perfect square

(x+5)^2=6 take the square root of both sides

x+5=±√6 subtract 5 from both sides

x=-5±√6 (so answer c.)

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3 years ago

Ms. Jackson is driving from south bend to Indianapolis. She measures a distance of 4.3 cm between the cities on her Indiana road

nevsk [136]

Step-by-step brainly.com/question/14494293?answeringSource=feedPersonal%2FquestionPage

6 0

3 years ago

Read 2 more answers

6(y + 8) = I need help please :)

Allushta [10]

Answer:

6y + 48

Step-by-step explanation:

Use distributive property 6 x y = 6y

(keep the plus sign btw)

6 x 8 = 48

then place it in order: 6y + 48 is your algebra expression

6 0

3 years ago

Read 2 more answers

Suppose you were considering going bungee jumping, but would only go if the mean breaking strength of the cord was greater than

serg [7]

Answer:

Type II error will occur when we conclude that the mean breaking strength of the cord is smaller than or equal to 250 pounds but in actual it was not true.

Step-by-step explanation:

We are given that you are considering going bungee jumping, but would only go if the mean breaking strength of the cord was greater than 250 pounds.

If the mean breaking strength of the cord is greater than 250 pounds, the bungee cord will not break.

Let $\mu$ = mean breaking strength of the cord

So, Null Hypothesis, $H_0$ : $\mu \leq$ 250 pounds

Alternate Hypothesis, $H_A$ : $\mu$ > 250 pounds

Here, null hypothesis states that the mean breaking strength of the cord was smaller than or equal to 250 pounds.

On the other hand, alternate hypothesis states that the mean breaking strength of the cord was greater than 250 pounds.

Now, Type II error states the Probability of accepting null hypothesis given the fact that it was false or Probability of accepting the false hypothesis.

SO, according to our question, Type II error will occur when we conclude that the mean breaking strength of the cord is smaller than or equal to 250 pounds but in actual it was not true and he mean breaking strength of the cord was greater than 250 pounds.

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3 years ago