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3 years ago

PLEASE HELP

Mathematics

2 answers:

emmainna [20.7K]3 years ago

6 0

A. i think it is,im not sure tho. sorry if wrong

Ad libitum [116K]3 years ago

4 0

Answer:

D. Jessie needs to buy more eggs, flour, butter, and sugar.

Step-by-step explanation:

it is good to have more then none

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Riley buys office equipment with a total price of $6,280 for her new company. If the office equipment depreciates at a rate of 1

alexdok [17]

Answer: y = 6280(0.87)^x

Step-by-step explanation:

If the office equipment depreciates at a rate of 13% each year, then the rate of depreciation is exponential.

We would apply the formula for exponential decay which is expressed as

y = b(1 - r)^x

Where

y represents the value of the office equipment after t years.

x represents the number of years.

b represents the initial value of the office equipment.

r represents rate of decay.

From the information given,

y = $628

r = 13% = 13/100 = 0.13

Therefore, the equation that represents the value of the equipment after x years is

y = 6280(1 - 0.13)^x

y = 6280(0.87)^x

4 0

3 years ago

the slope of a line passing through h (-2, 5) is -3/4. Which ordered pair represents a point on this line?

rosijanka [135]

Answer:

Step-by-step explanation:

Calculate the slope of the given points with the point (- 2, 5 )

If the slope is - $\frac{3}{4}$ then the point is on the line

Calculate slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (6, - 1)

m = $\frac{-1-5}{6+2}$ = $\frac{-6}{8}$ = - $\frac{3}{4}$ ← point (6, - 1) is on the line

Repeat with (x₁, y₁ ) = (- 2, 5 ) and (x₂, y₂ ) = (2, 8)

m = $\frac{8-5}{2+2}$ = $\frac{3}{4}$ ← point (2, 8) is not on the line

Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (- 5, 1)

m = $\frac{1-5}{-5+2}$ = $\frac{-4}{-3}$ = $\frac{4}{3}$ ← point (- 5, 1) is not on the line

Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (1, 1)

m = $\frac{1-5}{1+2}$ = - $\frac{4}{3}$ ← point (1, 1) is not on the line

Thus the point on the line is (6, - 1 ) → A

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csf%20-4%28-4x-5%29" id="TexFormula1" title="\sf -4(-4x-5)" alt="\sf -4(-4x-5)" align="absmi

insens350 [35]

Answer:

$- 4( - 4x - 5) = - 4 \times - 4x - ( - 4) \times ( - 5) \\ = 16x - 20$

3 0

2 years ago

Read 2 more answers

Help please ! Need the answers

son4ous [18]

Answer:

$x=\frac{-5+\sqrt{13}}{6} or x=\frac{-5-\sqrt{13}}{6} (decimal: x=-0.23240 , x=-1.43425)$

Step-by-step explanation:

a = 3, b = 5, c = 1

plug into quadratic formula

8 0

3 years ago

Find the principal square root of 14.

Anika [276]

Sqrt14 = 3.74 (2dp)

The principal root is always the positive.

5 0

3 years ago