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2 years ago

What's 24 -3 (7-5) to the power of two over (+8) (-6) ÷ (+12)?

Mathematics

1 answer:

Marysya12 [62]2 years ago

4 0

Answer:

45%

Step-by-step explanation:

45%

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(4y^2)^3(3y^2) Please help :)

Ierofanga [76]

Answer:

192y^8

Step-by-step explanation:

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2 years ago

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Write down the exact value of:<br> a) cos 30°<br> b) sin 45°<br> c) tan 30°

Alexus [3.1K]

Answer:

a) 0.86602540378

b) 0.70710678118

c) 0.57735026919

Step-by-step explanation:

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3 years ago

Help im in k12 9th grade

dem82 [27]

When factoring find 2 numbers that when added together equal the middle value and when multiplied equal the last value.

min this problem the middle value is 7 and the last value is 10

5 + 2 = 7 and 5 x 2 = 10

The answer is: (x+2)(x+5)

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2 years ago

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What does x equal in 3x + 5 = -7

Stolb23 [73]

Answer:-4

Step-by-step explanation:

Subtract 5 from each side, which leaves you with 3x=-12. Then divide each side by 3. Then that leaves you with x=-4

6 0

3 years ago

Evaluate A + 3B if possible. HELP ASAP!

madreJ [45]

Answer:

Not possible.

Step-by-step explanation:

Addition of Matrix A and Matrix B is possible only if the order of matrix A is same as the order of matrix B.

Order of a matrix with $m$ rows and $n$ columns is $m\times n$ .

Here, matrix A is $\left[\begin{array}{ccc}2&-4\\-4&10\\0&-8\end{array}\right]$

Matrix B is $\left[\begin{array}{ccc}0&-4&6\\2&-10&4\end{array}\right]$ .

Multiplying a matrix by a constant doesn't change its order.

So, order of matrix A is $3\times 2$ as it has 3 rows and 2 columns.

The order of matrix 3B is $2\times 3$ as it has 2 rows and 3 columns.

Therefore, addition is not possible as the order is different.

4 0

3 years ago