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3 years ago

The commutative property can be used with subtraction. For example, the problem

Mathematics

2 answers:

irina [24]3 years ago

4 0

Answer:

false

Step-by-step explanation:

8 - 4 - 6= -2

6 - 4 - 8= -6

Ghella [55]3 years ago

3 0

Answer:

true

Step-by-step explanation:

all it is doin is switching the numbers, excuse my grammar

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Leilani practiced piano for 3/5 of an hour. Sarah practiced piano for 7/8 of an hour.

ivolga24 [154]

Answer:

The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours .

Step-by-step explanation:

Given as :

The time for which Leilani practiced piano = $\dfrac{3}{5}$ hours

The time for which Sarah practiced piano = $\dfrac{7}{8}$ hours

Let the number of hours did Sarah practice more than Leilani = T hours

<u>Now, According to question</u>

The number of hours did Sarah practice more than Leilani = $\dfrac{7}{8}$ hours - $\dfrac{3}{5}$ hours

Or, T = $\dfrac{35-24}{40}$ hours

Or, T = $\dfrac{11}{40}$ hours

So,The number of hours did Sarah practice more than Leilani = T = $\dfrac{11}{40}$ hours

Hence, The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours . Answer

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3 years ago

4. Solve x -- 7 = 25.<br> A 18<br> B 32

gregori [183]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

3 miles. 128 yards. Converted to feet

Digiron [165]

It’s 16334 feet ....

3 0

3 years ago

Darius takes his family on an afternoon boat ride. Going through york canal, he drives 5 miles in 15 minutes. Later on as he cro

Arisa [49]

C- the distance traveled in York canal is one half the distance traveled on strover lake

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2 years ago

Let x be the ages of students in a class. Given the frequency distribution f(x) above, determine the following probabilities:.

lora16 [44]

Probabilities are used to determine the chances of events

The value of the probability P(x < 24) is 0.7895

<h3>How to calculate the probability P(x < 24)?</h3>

This is calculated as:

$P(x < 24) = \frac{n(x < 24)}{Total}$

So, we have:

$P(x < 24) = \frac{22 + 3 + 5}{22 + 3 + 5 + 4 + 4}$

Evaluate the sums

$P(x < 24) = \frac{30}{38}$

Evaluate the quotient

$P(x < 24) = 0.7895$

Hence, the value of the probability P(x < 24) is 0.7895