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Dmitry [639]
3 years ago
6

Andrew and his cousin Emily are picking apples in their grandparents' orchard. Andrew

Mathematics
1 answer:
Liula [17]3 years ago
4 0

Answer:

they will have 32 baskets of fruit

1 hour

Step-by-step explanation:

andrews equation is y = x + 15

emilys equation is y = 3x + 13

when x = 1, andrew has 1+15 = 16, and emily has 3+13 = 16

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A billboard designer has decided that a sign should have 3 ft margins at the top and bottom and 5 ft margins on the left and rig
elixir [45]

Answer:

The width of billboard is "[x]" and the height of billboard is "[y"]. If total area of billboard is 9000 ft^2 then 9000=xy

Step-by-step explanation:

• The total width of billboard is [x]. Therefore the width of printed area will be (x-10) by excluding margin of left and right side.

• The total height of billboard is [y]. Therefore the height of printed area will be [(y-6)]  by excluding the margin of top and bottom from the total height.

• To find the printed area of billboard calculations are given below:

& 9000=xy

& y=\frac{9000}{x} \\  & A=(x-10)(y-6) \\  & A=xy-6x-10y+60 \\  & A=x\left( \frac{9000}{x} \right)-6x-10\left( \frac{9000}{x} \right)+60 \\  & A=9060-6x-\frac{9000}{x} \\

On taking the first order derivative of A

\[A'=-6+\left( \frac{90000}{{{x}^{2}}} \right)\]

& \left( \frac{90000}{{{x}^{2}}} \right)-6=0 \\          & 6{{x}^{2}}=90000 \\          & x=\sqrt{15000} \\          & y=\frac{9000}{x}=\frac{90000}{\sqrt{15000}}=10\sqrt{150} \\

• Hence \[x=10\sqrt{150}\] and \[y=\frac{900}{\sqrt{150}}\]

Learn More about Differentiation Here:

brainly.com/question/13012860

7 0
3 years ago
Read 2 more answers
A relay microchip in a telecommunications satellite has a life expectancy that follows a normal distribution with a mean of 93 m
aliina [53]
The insurance period must be chosen so that the probability of a microchip failure within that period is 4%. Reference to a standard normal distribution table shows that the z-score for a cumulative probability of 4% is -1.75.
Let the insurance period be X months:
-1.75 = (X - 93)/3.8
-6.65 = X - 93
X = 83.35 months.
The answer is 83.35 months.

4 0
4 years ago
Right answer no lin or bot
kvv77 [185]

Answer:

2\frac{9}{10} or\frac{29}{10}

Step-by-step explanation:

Hope this helps! Have a great day ahead. Happy halloween :) Stay Safe <33

8 0
3 years ago
Read 2 more answers
Which story problem is solved using multiplication? Answer options with 5 options
galina1969 [7]
D is the answer because it says each and that’s a key word to understand that it’s multiplying
5 0
3 years ago
Read 2 more answers
What is the scale factor of triangle abc and triangle def​
Thepotemich [5.8K]

Answer:

The answer is 6

Step-by-step explanation:

ABC is 72, 66, 42 and DEF is 12, 11, 7

simply divide the largest shape measurements by the smaller one.

72÷12

66÷11

42÷7

you get 6 in all of them, this technique may not work all the time.

8 0
3 years ago
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