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antiseptic1488 [7]
3 years ago
6

He price of a dozen eggs was $1.63. The price rose m dollars. Then the price dropped $0.12 per dozen. Express the current price

of eggs after the two price changes
A)m+.51
B)m+1.51
C)m+1.63
D)m+1.75
Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0

Answer:

b

Step-by-step explanation:

i did it on the usa test prep

kherson [118]3 years ago
3 0

Answer:

B

Step-by-step explanation:

because 1.63-.12 = 1.51 and m is the price and it is asking the current price which is 1.51 and then say the price m= {$1.51}

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An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 130lb and 1
Vlad [161]

Answer: 0.4758

Step-by-step explanation:

Given : Mean : \mu=137\text{ lb}

Standard deviation : \sigma =28.9\text{ lb}

Also, the new population of pilots has normally distributed .

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\sigma}

For x=130 lb .

z=\dfrac{130-137}{28.9}=-0.2422145\approx-0.24

For x=171lb.

z=\dfrac{171-137}{28.9}=1.1764705\approx1.18

The p-value =P(-0.24

=0.8809999-0.4051651=0.4758348\approx0.4758348\approx0.4758

Hence, the required probability : 0.4758

6 0
3 years ago
Simplify the expression square root of 15•square17
alexira [117]

Step-by-step explanation:

\sqrt{15}\cdot\sqrt{17}=\sqrt{(15)(17)}=\sqrt{255}\\\\\text{Used}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}

5 0
3 years ago
The radius of circle B is 6 centimeters. The area of the shaded sector is 31.42 square centimeters. Calculate the angle of the s
algol13

Answer:

100

Step-by-step explanation:

i dont know but the website i was on said 100

5 0
3 years ago
I need the answer please I don't know it
Vlad1618 [11]
Basically the question is asking you for the area of the triangle.
The formula to find the area of a triangle is base x height divided by 2.
So in this case you would do 27 x 15.5 = 418.5
Now you divide by 2 (209.25)
So the answer is D. Hope this helps!!
6 0
3 years ago
90 3/7 was a demical
LenKa [72]
90.42857143 or
90.4 to nearest decimal
6 0
3 years ago
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