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ladessa [460]
3 years ago
5

Which pair of measurements is not equivalent?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
8 0
If you would like to know which pair of measurements is not equivalent, you can calculate this using the following steps:

1 yard = 3 feet
1 foot = 12 inches
1 mile = 5280 feet

8 yards = 8 * 3 feet = 24 feet
2 feet = 2 * 12 inches = 24 inches
10 feet = 10 * 12 inches = 120 inches
3 miles = 3 * 5280 feet = 15,840 feet

Not equivalent: <span>3 miles, 15,480 feet.</span>
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PLEASE HELP!!<br><br>find x​
Natalija [7]

Answer:

\frac{7}{2}\sqrt{3}

Step-by-step explanation:

the ratio of hypotenuse to longer leg of 30-60-90 triangle is 1 to sqrt(3)/2, and multiply by 7 to obtain answer

8 0
3 years ago
5-6x=2+7x step by step plx?
Ivanshal [37]
5-6x=2+7x

  +6x    +6x

5=2+13x

-2 -2

3=13x

3/3= 13/3

x=4.33

3 0
3 years ago
All interns for Comcast are required to be tested for drug use. The imperfect test gives positive results (indicating drug use)
lakkis [162]

Answer:

0.0224 or 2.24%

Step-by-step explanation:

The probability that an intern uses drugs, given that the test is negative, is determined by  the probability of false negative divided by the probability of a negative (true or false).

A false negative occurs when an intern who uses drugs (10%) takes the test and gets a negative. Since the test gets it right 80% of the time, the probability of this happening is:

P(FN) = 0.10*(1-0.80)=0.02

A true negative occurs when an intern who does not use drugs (90%) takes the test and gets a negative. Since the test gets it wrong 3% of the time, the probability of this happening is:

P(TN) = 0.90*(1-0.03)=0.873

Therefore, the probability that an intern uses drugs, given that the test is negative is:

P(D|N) = \frac{P(FN)}{P(FN)+P(TN)} \\P(D|N) = \frac{0.02}{0.02+0.873} \\P(D|N) = 0.0224 = 2.24\%

The probability is 0.0224 or 2.24%.

6 0
3 years ago
Read 2 more answers
PLZ HELP NEED ASAP, much appreciated
Margaret [11]

Answer:

Ok that's not it

x=-1 then y=4

x=0 then y= 6

x=1 then y = 8

x=2 then y= 10

x=3 then y= 12

Step-by-step explanation:

when y=2x+6

you have to plug what it says x is in each of the equations.

For the first one it says x=-1

you then plug that in and you get y=2(-1)+6

then you go through PEMDAS and first you get y=-2+6

-2+6 = 4

therefore y=4

and you just go through the rest wiht that

Step-by-step explanation:

6 0
2 years ago
In the equation below a is a number between 0 and 1 8 x a = b which statement about the value of b is always true
Kamila [148]

Answer:

See Explanation

Step-by-step explanation:

Given

0 \le a \le 1

8*a =b

Required

Determine the true statement about b

The question is incomplete as options are not given. However, a general explanation is as follows:

Rewrite 8*a =b

b = 8 * a

When a = 0

b = 8 * 0 = 0

When a = 1

b = 8 * 1 = 8

This means that:

For 0 \le a \le 1

Then 0 \le b \le 8

<em>This means that: b is a number between 0 and 8</em>

3 0
3 years ago
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