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vodka [1.7K]
2 years ago
8

[[|help please|]] will give brainliest

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
4 0

Answer:  30%

Step-by-step explanation:

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X
12345 [234]

Answer: 28.35\ minutes

Step-by-step explanation:

Let be "x" the time in minutes a 150-pound person must walk at  4 mph to use at least 190 calories.

 The amount of calories that a 150-pound person uses  in 1 minute when walking at a speed of 4 mph is:

Calories\ per\ minute=6.7

Therefore, knowing this, we can write the following proportion:

\frac{1}{6.7}=\frac{x}{190}

Finally, we must solve for "x" in order to find its value.

Multiplying both sides of the equation by 190, we get this result:

(190)(\frac{1}{6.7})=(\frac{x}{190})(190)\\\\x=28.35

3 0
3 years ago
A department store sells logo shirts at an original price of $20. Every month that a shirt doesn’t sell, the store reduces the s
Tasya [4]
Given:
Original price = 20
reduces selling price by 25% every month it's not sold.

First markdown month:
20 * (100%-25%) = 20 * 75% = 15

Second markdown month
15 * 75% = 11.25

Macy, employee gets a 50% discount off the current price.
11.25 * 50% = 5.625
11.25 - 5.625 = 5.625 or 5.63

The pre-tax price of the shirt for Macy will be $5.63
3 0
3 years ago
Read 2 more answers
1.9/10 times 3/6 then simplified
givi [52]
1) 0.095
2)0.1875
3)0.3
4)0.21875
5)0.133
6)0.66
7) 0.6
8)0.375
8 0
3 years ago
21q - 7p and (3q - p)(7)
S_A_V [24]

Answer:

1

Step-by-step explanation:

4 0
3 years ago
Whats the square root of 25ab^6
r-ruslan [8.4K]
5b^3 sq rt of a

There's not enough a's
7 0
3 years ago
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