PLS HELP I REALLY NEED THE ANSWER

Mathematics

1 answer:

tatiyna2 years ago

8 0

Answer:

2b: -29 - 13x - 6n

3a: -6

3b: m = 1

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When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

SpyIntel [72]

Answer:

Step-by-step explanation:

${3x}^{2} - 2y \\ 3 { \times 3}^{2} - 2 \times 5 \\ 27 - 10 = 17$

${2x}^{2} - 3y \\ 2 \times {3}^{2} - 3 \times 5 \\ 12 - 15 = - 3$

$17 - 3 = 14$

7 0

2 years ago

Read 2 more answers

Can you help me please

notsponge [240]

9514 1404 393

Answer:

reflection across the origin
rotation 180° about the origin
reflection across the x-axis, and translation right 6 units

Step-by-step explanation:

The figure and its image are symmetrical about the origin, so the following three transformations are equivalent:

1. reflection across the origin

2. rotation 180° about the origin

3. reflection across both x- and y-axes, in either order

The figure itself has left-right symmetry, so only one reflection is necessary to map the figure to its image: reflection across a horizontal line. Following that reflection, the image can be put into place by an appropriate translation. One such pair of transformations is ...

4. reflection across the x-axis and translation 6 units right, in either order

8 0

2 years ago

I don't understand how to solve this pls help

Charra [1.4K]

the sine function is a many-to-one function and therefore has no inverse function.

However if the domain is restricted to -90° ≤ x ≤ 90°

Then the function is one-to-one for this domain

Thus, $sin^{-1}$ x is defined as the angle such that - π/2 ≤ x ≤ π/2