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Mathematics

1 answer:

ANEK [815]3 years ago

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Apply the commutative property to 13×7×21 to rearrange the terms and still get the same solution

wariber [46]

Commutative property
abc=acb=bac=bca=cab=cba
multiplicatoin can move

some possible ones
(13)(7)(21)=(13)(21)(7)=(21)(7)(13)=(21)(13)(7)=(7)(13)(21)=(7)(21)(13)
any of those work

4 0

4 years ago

Read 2 more answers

Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set. x/6 - 3 ≥ 2

Ber [7]

X/6 - 3 ≥ 2
x/6 ≥ 3+2
x/6≥5
x≥30

3 numbers in solution set: 36, 42, 48

3 0

3 years ago

Which monomial is a perfect cube?

neonofarm [45]

Answer:

Option (a) is correct.

$1x^3$ is a perfect cube.

Step-by-step explanation:

Given : Some Monomial

We have to choose out of given monomial that is a perfect cube.

Perfect cubes are numbers that can be written as $(ab)^3$

So, consider $1x^3$ , we know 1 can be written as $1^3$

Thus, $1x^3$ can be written as $1^3x^3=(1x)^3$

Thus, Option (a) is correct.

5 0

3 years ago

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Jimmy invests $3000 in an account with a 3.8% interest rate, making no other deposits or withdrawals. What will Jimmy’s account

Leto [7]

Use the formula A(t)=P(1+[r/n])^(n)(t) which for us looks like this:
A(t)= 3000(1+[.038/4])^(4)(9). Doing that math, you have 3000(1.405489). The product of that is $4216.47

4 0

4 years ago

Samir begins riding his bike at a rate of 6 mph. Twelve minutes later, Chris leaves from the same point and bikes along the same

kakasveta [241]

Answer:

The correct answer option is 24 min.

Step-by-step explanation:

Let us assume t to be Chris's time (in hours) so we can write the following equation:

Samir's time (in hours) $=t + \frac{12}{60} = t + 0.2$