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3 years ago

Bruelle exercises for 3/4 hours each day for 6 days in a row altogether how many hours does she exercise during the six days

Mathematics

2 answers:

Mandarinka [93]3 years ago

8 0

Answer:

18-24 hours

Step-by-step explanation:

Allushta [10]3 years ago

3 0

Answer: PRETTY SURE ITS 45?

Step-by-step explanation:

6 days a week x 3/4 hours

3/4 as a time is 45mins

45x6=270?

move the decimal over and get 27

270 divided by 6 =45

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Each equation in a system of linear equations has the same slope. What are the possible solutions the system could have?

Kazeer [188]

Answer:

A. The system could have no solution or infinitely many solutions.

Step-by-step explanation:

Parallel lines have the same slope, meaning that they cannot intersect. So, the system can either have no solution (no intersection), or infinite possible solutions (the same line).

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3 years ago

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daser333 [38]

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3 years ago

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Max walks 6 laps around the track in 30 minutes. How many laps around the track does Max walk in 1 minute

Sunny_sXe [5.5K]

Answer:5

Step-by-step explanation:

6:30 is the ration

6/30 reduced is 1/5

1:5

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3 years ago

Sam invests $6000 in two different accounts. The first account paid 12 %, the second account paid 7 % in interest. At the end of

Lunna [17]

Answer:

The amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600

Step-by-step explanation:

Let x be the amount in the account at 12% interest

So, 6000-x is the amount in the second account at 7% interest

$SI = \frac{P \times T \times R}{100}$

First account: $SI=\frac{x \times 1 \times 12}{100}$

Second account : $SI =\frac{(6000-x) \times 1 \times 7}{100}$

We are given that At the end of the first year he had earned $590 in interest.

So, $\frac{x \times 1 \times 12}{100}+\frac{(6000-x) \times 1 \times 7}{100}=590\\x=3400$

So,the amount in the account at 12% interest is $3400

The amount in the second account at 7% interest =6000-x=6000-3400=2600

Hence the amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600

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3 years ago

Simplify the expression i⁸²

Elza [17]

Answer:

We can use a trick here. Let's look at the first few exponents of i to realize this:

i^0 = 1

i^1 = i

i^2= -1

i^3 = -i

i^4 = 1

i^5 = i

i^6 = -1

i^7 = -i

we can see that the pattern (1, i, -1, -i) repeats. Since 82/2 = 41, and 41 is only divisible by 1, i^41 = i, and i^2 = -1. -1*i = -i, so i^82 = -i.

Step-by-step explanation:

6 0

3 years ago