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o-na [289]
3 years ago
10

PLSS!!!! HELP!!! ME I WILL MARK U!!!!

Mathematics
2 answers:
katen-ka-za [31]3 years ago
6 0

Answer:

562

Step-by-step explanation:

Plug in the values of x, y, and z provided.

(5(5)-1)^2-2(7)

Solve.

(25-1)^2-14

(24)^2-14

576-14

562

artcher [175]3 years ago
5 0

Answer: 562

Step-by-step explanation:

(5x+y)^2-2z

first put in the known values. (5(5)+(-1))^2-2(7)

(25+-1)^2-14

Second, do 25+-1=24

(24)^2-14

Third, do 24 squared

576-14

Subtract

<u>562</u>

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Margarita [4]

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Sine, cosine and tangent

Step-by-step explanation:

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3 years ago
Two planes start flying towards each other simultaneously from two different cities. The distance between the cities is 960 mile
ANTONII [103]

Answer:

257.5 mph

332.5 mph

Step-by-step explanation:

The initial distance between the two planes is 960 miles, while the final distance (after t=1.5 h) is 75 miles, so the total distance covered by the two planes in 1.5h is

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Calling v1 and v2 the velocities of the two planes, we have the following equations:

(1) v_1 = v_2 + 75 --> velocity of plane 1 exceeds velocity of plane 2 by 75 mph

(2) v_1 t+ v_2 t=885 --> the total distance covered by the two planes is 885 miles (t=1.5 h is the time, and the products v1 t and v2 t represent the distance covered by each plane)

Substituting t=1.5 h, the second equation becomes:

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257.5 mph

332.5 mph



3 0
3 years ago
At an ice cream shops there are 3 different flavors of ice cream and 10 different toppings. What is the probability of the next
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Answer:

1/30 = 3.33%

Step-by-step explanation:

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4 0
3 years ago
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