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2 years ago

Which graph is the graph of h(x) = -2 • (1/3)^x

Mathematics

1 answer:

Nina [5.8K]2 years ago

8 0

Answer: Pick the graph that hits each of these points (-2, -18) (-1, -6) (0, -2)

(This graph should be on the horizontal line, then start to move downand to the left) Hope this helps!

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Find the surface area of the regular pyramid.

spayn [35]

Answer:

Answer = 93.6

Step-by-step explanation:

frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.

(58.5 x 3 is 175.5)

Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.

Add 58.5 and 35.1 to get 93.6

5 0

2 years ago

Read 2 more answers

Find parametric equations and symmetric equations for the line. (Use the parameter t.) The line through (4, −5, 2) and parallel

Nataliya [291]

Answer:

Step-by-step explanation:

From the given information, the symmetric equations for the line pass through(4, -5, 2) i.e ( $x_o, y_o, z_o$ ) and are parallel to $\dfrac{x+5}{1} = \dfrac{y}{2}= \dfrac{z-3}{1}$

The parallel vector to the line i + zj+k = ai + bj + ck

Hence, the equation for the line is :

$x = x_o + at \\ \\ x = y_o + bt \\ \\ x = z_o + ct$

x = 4 + t

y = -5 + 2t

z = 2 + t

Thus, x, y, z = ( 4+t, -5+2t, 2+t )

The symmetric equation can now be as follows:

$\begin {vmatrix} x = 4+ t \\ \\ \dfrac{x-4}{1} = t \begin {vmatirx} \end {vmatrix}$ $\begin {vmatrix} y = - 5+2t \\ \\ \dfrac{y+5}{2} =t \end {vmatrix}$ $\begin {vmatrix} z =2+t \\ \\ \dfrac{z-2}{1} =t \end {vmatrix}$

∴

$\dfrac{x-4}{1}= \dfrac{y+5}{2}=\dfrac{z-2}{1}$

8 0

2 years ago

56/(7-9)^3-25/23-5*4

meriva

I got -28.08695652. It doesn't repeat nor does it terminate

4 0

2 years ago

Use number properties to simplify the following expression. -5 + (5 + 3)

bija089 [108]

Number Properties: PEMDAS

Parentheses, Exponents, Multiplication, Division, Addition, & Subtraction

$- 5 + (5 + 3)$

1. Parentheses
$- 5 + (7) \\$
There Are No Exponents, Multiplication, Division, Or Addition

2. Subtraction
$2$

7 0

2 years ago

what is the value of x? SHOW ALL YOUR WORK. ONLY ANSWER IF YOU KNOW. PLEASE DONT REWRITE SOMEONE ELSE'S ANSWER DOWN. WILL MARK B

ioda

Answer:

I'm pretty sure he or she are right^^

Step-by-step explanation:

I Know

7 0

2 years ago