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2 years ago

What is the volume of 8x9x3

Mathematics

1 answer:

adoni [48]2 years ago

5 0

Answer:

given - dimensions of a particular solid as 8 × 9 × 3

to find - volume of that particular solid

Since , we're given three distinct measures , we can make out that the dimensions are most probably of a cuboid.

$Volume \: of \: cuboid = l \times b \times h \\ \\ \implies \: 8 \times 9 \times 3 \\ \\ \bold\red{\implies216 \: units^{3}}$

hope helpful ~

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PLEASE HELP ASAP

Igoryamba

Answer:

∠1 - 40°

Step-by-step explanation:

∠1 - 40°

b/c it's a right triangle and we have two angles given, 50° and 90°. Add them and subtract by 180° and get 40°.

∠2 - 140°

b/c an exterior (outside) angle is equal to the two most isolated / farthest angles added. The two most is angles are 105° and 35°, add them and get 140°.

∠3 - 40°

b/c ∠'s 1 and 3 are vertical angles meaning they're equal so since ∠1 is 40°, so is ∠3.

∠4 -

b/c ∠' s 2 and 4 are vertical angles meaning they're equal so since ∠2 is 140°, so is ∠4.

∠5 - 35°

b/c we have two angles, 105° and 40°. Add them and subtract by 180° and get 35°.

I hope that helps you out!!

5 0

2 years ago

Adam takes a loan of $8,250 at a 7% simple rate for 5 years. How much will be paid after 3 years? how much interest will be paid

Diano4ka-milaya [45]

$4,950 will be paid after 3 years.
$577.50 will be paid as interest for the total loan.

6 0

3 years ago

What is (-8)(-x)(-x)

Mashutka [201]

Correct answer is -8x^2

6 0

3 years ago

Suppose that in the country of Workanda, the population is 330 million, and 170 million people are working (have a job). If 70 m

zubka84 [21]

Answer:

30%

Step-by-step explanation:

The unemployment rate is 30%

3 0

1 year ago

Determine whether the following are subspaces of R2×2 : (a) Thesetofall2×2diagonalmatrices (b) The set of all 2 × 2 triangular m

Mrrafil [7]

A vector space $V$ is a subspace of a vector space $W$ if

$V$ is non-empty,
for any two vectors $v_1,v_2\inV$ we have $v_1+v_2\in V$ , and
for any scalar $k$ and $v\in V$ we have $kv\in V$ .

It's easy to show the first condition is met by all the sets in parts (a-g).

(a) is a subspace of $\Bbb R^{2\times2}$ because adding any 2x2 diagonal matrices together, or multiplying one by some scalar, gives another diagonal matrix.

(b) and (c) are also subspaces for the same reasons.

(d) is not a subspace because $\Bbb R^{2\times2}$ because this set of matrices does not contain the zero matrix.

(e), however, is a subspace. Any linear combination of matrices in this set always yields a matrix with 0 in row 1, column 1 entry.

(f) is a subspace. A symmetric matrix is one of the form

$\begin{bmatrix}a&b\\b&c\end{bmatrix}$

Adding two symmetric matrices gives another symmetric matrix:

$\begin{bmatrix}a_1&b_1\\b_1&c_1\end{bmatrix}+\begin{bmatrix}a_2&b_2\\b_2&c_2\end{bmatrix}=\begin{bmatrix}a_1+a_2&b_1+b_2\\b_1+b_2&c_1+c_2\end{bmatrix}$

(g) is not a subspace. Consider the matrices

$\begin{bmatrix}1&0\\0&0\end{bmatrix},\begin{bmatrix}0&0\\0&1\end{bmatrix}$

Both matrices have determinant 0, but their sum is the identity matrix with determinant 1.

4 0

3 years ago