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irinina [24]
2 years ago
15

PLEASE HELP

Mathematics
2 answers:
Fantom [35]2 years ago
8 0

Multiply the price per month by the number of months (m) and add that to the price of the phone.

The equation would be y = 530 + 44.99m

zimovet [89]2 years ago
3 0

Answer:

$530=44.99X+$35.11

530=total cost of plan

X =number of months

Step-by-step explanation:$530 cost of plan

$44.99 monthly

=x(number of months to complete phone payment )

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Answer:

150 feet by 300 feet.

Step-by-step explanation:

The fence is to enclose a rectangular area of 45,000 ft squared.

If the dimensions of the rectangle are x and y

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Perimeter of the Rectangle =2x+2y

Fencing material costs $ 3 per foot for the two sides facing north and south and ​$6 per foot for the other two sides.

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Substitute x=\frac{45000}{y} into the Cost to get C(y)

C=12x+6y

C(y)=12(\frac{45000}{y})+6y\\C(y)=\frac{540000+6y^2}{y}

The value at which the cost is least expensive is at the minimum point of C(y), when the derivative is zero.

C^{'}(y)=\dfrac{6y^2-540000}{y^2}

\dfrac{6y^2-540000}{y^2}=0\\6y^2-540000=0\\6y^2=540000\\y^2=\frac{540000}{6} =90000\\y=\sqrt{90000}=300

Recall,

x=\frac{45000}{y}=\frac{45000}{300}=150

Since x=150, y=300

The dimensions that will be least expensive to build is 150 feet by 300 feet.

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Find the zeros of the function by rewriting the function in intercept form
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Igoryamba

Answer:

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