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3 years ago

Solve for a a+(-1.3)=-4.5 ASAP

Mathematics

2 answers:

horsena [70]3 years ago

7 0

A = 3.2 because -4.5 + 1.3 = 3.2

swat323 years ago

4 0

You Would End Up Doing:
A + (-1.3) = (-4.5)
(-4.5) - (-1.3) = (-4.5) + 1.3 = (-3.2)
A = (-3.2)

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Given the functions k(x) = 2x2 − 7 and p(x) = x − 4, find (k ∘ p)(x).

Fynjy0 [20]

For this case we have the following functions:

$k (x) = 2x ^ 2-7\\p (x) = x-4$

We must find $(k_ {0} p) (x)$ . By definition of compound functions we have to:

$(k_ {0} p) (x) = k (p (x))$

So:

Taking into account that:

$(a-b) ^ 2 = a ^ 2-2ab + b ^ 2$

Different signs are subtracted and the major sign is placed.

$k (p (x)) = 2 (x-4) ^ 2-7 = 2 (x ^ 2-2 (x) (4) + 4 ^ 2) -7 = 2 (x ^ 2-8x + 16) -7 = 2x ^ 2-16x + 32-7 = 2x ^ 2-16x + 25$

Finally we have to:

$(k_ {o} p) (x) = 2x ^ 2-16x + 25$

Answer:

$(k_ {o} p) (x) = 2x ^ 2-16x + 25$

8 0

3 years ago

For each ordered pair, determine whether it is a solution to the system of equations.

andreyandreev [35.5K]

Answer:

(-6, 2) NO

(3, 5) NO

(-3, - 4) YES

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3 0

3 years ago

Which series of transformations would transform triangle A into similar triangle A' in Quadrant IV? A. Rotate triangle A 90 cloc

VikaD [51]

Answer:

option D

Step-by-step explanation:

It is required to transform triangle A into similar triangle A' in Quadrant IV.

The given triangle in Quadrant II.

We will check the options:

A. Rotate triangle A 90 clockwise about the origin then translate five units up.

Wrong because triangle A' will be at Quadrant I.

B. Dilate triangle A by a scale factor of 4. Translate triangle A to the left.

Wrong because triangle A' will be at Quadrant II.

C. Reflect triangle A across the y-axis and then translate the triangle 3 units up and 2 units to the right.

Wrong because triangle A' will be at Quadrant I.

D. Reflect triangle A across the x-axis and then reflect the triangle across the y-axis.

True Because reflection triangle A across the x-axis, the first image will be at Quadrant III, then reflection the first image across the y-axis, we will get triangle A' will be at Quadrant IV.

So, the answer is option D

6 0

3 years ago

2,4,1=4 6,0,3=6 7,2,4=7 1,0,8=?

posledela

Answer:

8 is the correct answer ...

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3 years ago

How do you find the area of a triangle

nikklg [1K]

Answer:

A=1/2bh

Step-by-step explanation:

The area A of a triangle is given by the formula A=1/2bh where b is the base and h is the height of the triangle.

So for example if you got that the base of the triangle is 12 and the height is 14 you would plug it in like this:

A=1/2(12)(14)

A=6(14)

A=84

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3 years ago