3 years ago

Just question # 2 I'll give you 15 points and brainly

Mathematics

1 answer:

frozen [14]3 years ago

4 0

No, it’s not the same Dylan makes 10.5 an hour and Angela makes 10 per hour

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if Cory is at the elephant and he walks 8 units up and 4 units right, where would he land? What are his new coordinates?

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Answer:

(-2,7) those are the coordinate. in which he will land

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2 years ago

Kelly is going to shop with the $200.00 that she earned from doing chores. She wants to save 30% of her money to put into a savi

Evgesh-ka [11]

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No she won't

Step-by-step explanation:

200(0.30)=60

60(0.06)=3.6

60+3.6=63.6

75(0.06)=4.5

75+4.5=79.5

79.5+63.6=143.1

200-143.1=56.9

56.9<60

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4 years ago

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Step-by-step explanation:

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3 years ago

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A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 64 ft3. what dimensions y

Doss [256]

To solve this problem you must apply the proccedure shown below:

1. You must use the formula for calculate the surface area and the volume of the tank:

$1) SA=x^{2} +4xy\\ 2) V=x^{2} y\\ 64=x^{2} y$

2. Solve for $y$ in the second equation and substitute it into the first one.Then, you have:

$y=\frac{64}{x^{2}} \\ SA=x^{2} +4x(\frac{64}{x^{2}})$

3. Now, derivate:

$SA'=2x-256x^{-2} \\ 2x-256x^{-2}=0$

4. When you solve for $x$ , you obtain:

$2x^{3}-256=0\\ x=\sqrt[3]{\frac{256}{2}} \\ x=5.03$

5. Now, you must calculate $y$ :

$y=\frac{64}{(5.03)^{2}} \\ y=2.52$

Therefore, the dimensions are:

The sides of the base of the tank: $5.03 feet$

The height of the tank: $2.52 feet$

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3 years ago

Nara wants to determine how much ice will it take to fill her cooler that is in the shape of a rectangular prisim. If the cooler

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Answer:

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3 years ago

Just question # 2 I'll give you 15 points and brainly ​

Just question # 2 I'll give you 15 points and brainly