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3 years ago

Help please ASAP!!!!!!!!

Mathematics

2 answers:

hram777 [196]3 years ago

6 0

Answer:

y = 3·2^x

Step-by-step explanation:

At x=0, f(0) = a = 3

At x=1, f(1) = a·b = 3b = 6 ⇒ b = 6/3 = 2

So, the function is ...

f(x) = 3·2^x

Juliette [100K]3 years ago

6 0

Answer:

y = 3·2^x

Step-by-step explanation:

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X-y+z for x= 18,y=6,z=1

kkurt [141]

Answer:

We have been given the equation: x+y+z. Now these are variables. Thus, we have to fill in the values given: where x = 18, y = 6 and z = 1. Let's fill these values in.

<em>x+y+z</em>

<em>= 18+6+1</em>

<em>= 18+(7)</em>

<em>= 25</em>

Hope it Helps. Good luck on your assignment! (brainliest if possible)

7 0

2 years ago

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Which linear equation best represents the data given in the table?

kirill115 [55]

Linear equations are equations that have constant slopes

The linear equation that represents the table is (a) y = 7x +4

<h3>How to determine the linear equation</h3>

Start by calculating the slope (m) using:

$m = \frac{y_2 -y_1}{x_2 -x_1}$

So, we have:

$m = \frac{-10 +17}{-2 +3}$

Simplify

$m = \frac{7}{1}$

$m = 7$

The equation is then calculated as:

$y = m(x -x_1) + y_1$

So, we have:

$y = 7(x +2) -10$

Open the brackets

$y = 7x +14 -10$

$y = 7x +4$

Hence, the linear equation that represents the table is (a) y = 7x +4

Read more about linear equations at:

brainly.com/question/14323743

5 0

1 year ago

What is the closest length of RT?

almond37 [142]

Answer: 14

Step-by-step explanation:

Since it is a right angles triangle , Pythagoras theorem will come into play,which states that;

the square of the hypotenuses = square of the adjacent + square of the opposite , that is

$22^{2}$ = $(RT)^{2}$ + $17^{2}$

Therefore:

$(RT)^{2}$ = $22^{2}$ - $17^{2}$

$(RT)^{2}$ = 484 - 289

$(RT)^{2}$ = 195

RT = $\sqrt{195}$

RT = 13.96

RT≈ 14

6 0

2 years ago

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812.16 is what percent of 752?

finlep [7]

108 is the answer to your question

3 0

1 year ago

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If A is an n× n matrix, then det A = det AT . Verify this theorem for 2 × 2 matrices.

Bond [772]

Answer:

Verified

Step-by-step explanation:

Let A matrix be in the form of

$\left[\begin{array}{cc}a&b\\c&d\end{array}\right]$

Then det(A) = ad - bc

Matrix A transposed would be in the form of:

$\left[\begin{array}{cc}a&c\\b&d\end{array}\right]$

Where we can also calculate its determinant:

det(AT) = ad - bc = det(A)

So the determinant of the nxn matrix is the same as its transposed version for 2x2 matrices

4 0

2 years ago