Solve xy=3 x^4y^5=486

A STORE IS GIVING AWAY A $10 COUPON TO EVERY 7TH PERSON TO ENTER THE STORE AND A $25 COUPLON TO EVERY 18TH PERSON TO ENTER THE S

ankoles [38]

The lowest common factor of 7 and 18 is 126 (this is a number that both 7 and 18 multiply into, in fact by each other). This means the 126th person will be the first to get both coupons.

7 0

2 years ago

Emma calculated the slope of the downhill hike to be . Her work is shown below. Determine whether her calculation was correct or

Greeley [361]

Answer:

Emma made a mistake. The slope should be -40.

Step-by-step explanation:

Pair of points (x, y):

(165, 900) and (180, 300)

Slope formula:

m = (y₂ - y₁)/(x₂ - x₁)

Calculate the slope:

Slope = (300 - 900)/(180 - 165) = -600/15 = -40

4 0

2 years ago

The table shows the progress of a plant's growth. The height of the plant, y, is given by the table, where x is the number of da

EleoNora [17]

Answer:

The table shows the progress of a plant's growth. The height of the plant, y, is given by the table, where x is the number of days.

Which statements are correct?

A)

The rate of change is 2 cm.

B)

The plant's height at 10 days is 30 cm.

The plant's height at 30 days is 40 cm.

D)

The initial height of the plant is 0 centimeters high.

Step-by-step explanation:

The plant's growth can be modeled by the equation y-2x+10.

e is the answer please give me brain list

3 0

2 years ago

A sinusoidal function whose period is π/2 , maximum value is 10, and minimum value is −4 has a y-intercept of 3. What is the equ

Eddi Din [679]

Answer:

$f(\theta)=3+7sin(4\theta)$

Step-by-step explanation:

The sinusoidal function has a general form of:

$f(\theta)=Y+Asin(k\theta)$

The period is given by:

$P=\frac{2\pi}{k}\\\frac{\pi}{2}= \frac{2\pi}{k}\\k=4$

Y is the y-intercept, thus y = 3.

At the maximum value:

$f(max) = Y+A\\10 = 3+A\\A=7$

At the minimum value:

$f(min) = Y-A\\-4 = 3-A\\A=7$

Therefore, the equation of the function described is:

$f(\theta)=3+7sin(4\theta)$

6 0

2 years ago

find the balance in the account. $2,400 principal earning 2%, compounded annually, after 7 years $2,736.00 $2,756.85 $307,200.00

Alex17521 [72]

The future worth (F) of the current investment (P) that has an interest (i) that is compounded annually is calculated through,
F = P x (1 + i)^n
where n is the number of compounding period. Substituting the given values,
F = ($2,400) x ( 1+ 0.02)^7 = $2,756.85
Thus, the future worth is approximately $2,756.85. The answer is the second choice.

3 0

2 years ago