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2 years ago

Which expressions show how 6 • 45 can be rewritten using the distributive property? Choose all answers that are correct.

Mathematics

1 answer:

Karolina [17]2 years ago

5 0

The answer is a and c

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Solve the following system of equations by using the inverse of a matrix.

Zepler [3.9K]

Answer:

(x, y, z) = (-8,4,-2)

Step-by-step explanation:

.......................................

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2 years ago

Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practiced today. How

frosja888 [35]

He needs to practice 7.2 minutes
he practices for 4.8 minutes in that day

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2 years ago

Round 0.142 to the nearest tenth

hjlf

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

0.142 ≈ 0.1

5 0

2 years ago

Read 2 more answers

(5n2 – 4nm - 9m²) + (7n2 + 4nm +8m²) =

Flauer [41]

Answer:

$\left(5n^2-4nm-9m^2\right)+\left(7n^2+4nm+8m^2\right)=12n^2-m^2$

Step-by-step explanation:

Given the expression

$\left(5n^2\:-\:4nm\:-\:9m^2\right)\:+\:\left(7n^2\:+\:4nm\:+8m^2\right)$

Remove parentheses: (a) = a

$=5n^2-4nm-9m^2+7n^2+4nm+8m^2$

Group like terms

$=5n^2+7n^2-4nm+4nm-9m^2+8m^2$

Add similar elements: $5n^2+7n^2=12n^2$

$=12n^2-4nm+4nm-9m^2+8m^2$

Add similar elements: $-4nm+4nm=0$

$=12n^2-9m^2+8m^2$

Add similar elements: $-9m^2+8m^2=-m^2$

$=12n^2-m^2$

Therefore, we conclude that:

$\left(5n^2-4nm-9m^2\right)+\left(7n^2+4nm+8m^2\right)=12n^2-m^2$

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2 years ago

Two fair six sided dice numbered 1 to 6 are rolled. By drawing probability grid diagrams, find the probability that the maximum

Papessa [141]

False.it could be any they all have atleast a 15% chance of it being a number that’s 1-6.

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2 years ago