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Andrew [12]
3 years ago
8

Sarah practices the piano 1/3 hour in the morning, 5/6 hour in the afternoon, and 4/5 hour in the evening.

Mathematics
1 answer:
finlep [7]3 years ago
5 0

Answer:

To add 1/3 and 3/6, change 1/3 to 2/6, and add 2/6 and 3/6, which is 5/6.

To add 5/6 and 4/5, change both denominators to 30. 25/30 + 24/30 = 49/30, which is also 1 19/30.  Please mark me brainless,

Step-by-step explanation:

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Which expression represents the calculation "subtract 30 from 40, then multiply by 4
Rzqust [24]

4( 40 - 30)

subtract 30 from 40 is expressed as 40 - 30

then multiply by 4 is expressed as 4 × (40 - 30) or 4(40 - 30) = 40


3 0
3 years ago
10×7 thousand in unit form
ad-work [718]

Answer :

7 Tenths, 0 ones

6 0
3 years ago
What is the solution to this linear equation?<br> 4b + 6 = 2 - b + 4
katovenus [111]

b = 0

To solve make b the subject so:

4b + 6 = 2 - b + 4

5b + 6 = 6

5b = 0

5 = 0/5

= 0

6 0
3 years ago
Ms.Winter makes homemade bath soaps and bottles of lotion. In her inventory, she has 48 bath soaps and 64 bottles of lotion. She
inn [45]
Here, what we want to find is the lowest number of bottles / soaps while having the total inventory used. As we want the number of bottles and soaps to fit perfectly, we have to find a common divisor of 48 and 64. In addition, since we want the maximum number of baskets, we want to find the highest common divisor of the two numbers. Using a little guess and check, we can find 16 baskets as our answer. To have the same number of soaps and lotions in each, we have 48/16= 3 soaps per basket and 64/16=4 lotions per basket.
Feel free to contact me with further questions.
7 0
3 years ago
Identify and solve the inequality that represents how many $20 bills, n, you can withdraw from the account without going below t
Alex Ar [27]

Answer:

100 + 20n \leq 230

n \leq 6

Step-by-step explanation:

Given

Balance = \$230.00

Minimum = \$100

Withdrawal = \$20\ each

Required

Represent using an inequality and solve

Let the number of dollars be represented by n

<em>If 1 withdrawal is $20 bill</em>

<em>n withdrawals would be $20n bills</em>

The total withdrawal and the minimum balance must be less than or equal to the available balance.

So, this gives

Minimum + Total\ Withdrawal \leq Available\ Balance

Substitute values for each of these

100 + 20n \leq 230

Solving for n

20n \leq 230 - 100

20n \leq 130

Divide through by 20

n \leq 6.5

But n can not be decimal because it represents number of dollar bills , which must always be an integer.

So, we round down the value of n

n \leq 6

4 0
3 years ago
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