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allochka39001 [22]

3 years ago

15

Mathematical problem solving skills can be important in everyday life. true or false.

2 answers:

Sergio [31]3 years ago

7 0

True .............................

sleet_krkn [62]3 years ago

5 0

True. maths is applied in every day life for instance in science and accounting and as well as when daily with money

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Alex787 [66]

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3 years ago

Read 2 more answers

PLS HELP ILL MARK BRAINLIEST

scoundrel [369]

Answer: The first option it would be raised to the power of x for x years this is because you don't know how many years x represents so you can't do 2 or some other number cause x could be 1000. Also its not multiplication because then it wouldn't double so

y=200^x

Step-by-step explanation:

3 0

3 years ago

The equation of the line

hammer [34]

(9,0) (0,9) choose any two points since it’s a straight line honey and the dk the difference between the two points

9-0
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5 0

3 years ago

ol McDonald would like to build a pin for his favorite pig horse and cow he needs to enclose a rectangular plot of land into thr

garri49 [273]

The area of the pen is the products of its dimensions

The dimension of the pen is 300 by 120 feet
The maximum area of the pen is 36000 square feet.

Let the dimension of the fence be x by y.

So, we have:

<em /> $\mathbf{2x + 5y = 1200}$ <em> --- perimeter</em>

<em /> $\mathbf{Area =xy}$ <em> -- area</em>

<em />

Subtract 5y from both sides of $\mathbf{2x + 5y = 1200}$

$\mathbf{2x = 1200 - 5y}$

Divide both sides by 2

$\mathbf{x = \frac{1200 - 5y}{2}}$

Substitute $\mathbf{x = \frac{1200 - 5y}{2}}$ in $\mathbf{Area =xy}$

$\mathbf{Area = \frac{1200 - 5y}{2} \times y}$

$\mathbf{Area = \frac{1200y - 5y^2}{2}}$

Split

$\mathbf{Area = 600y - \frac{5}{2}y^2}$

Differentiate

$\mathbf{A' = 600 -5y}$

Set to 0

$\mathbf{600 -5y = 0}$

Add 5y to both sides

$\mathbf{5y = 600}$

Divide both sides by 5

$\mathbf{y = 120}$

Substitute $\mathbf{y = 120}$ in $\mathbf{x = \frac{1200 - 5y}{2}}$

$\mathbf{x = \frac{1200 - 5 \times 120}{2}}$

$\mathbf{x = \frac{1200 - 600}{2}}$

$\mathbf{x = \frac{600}{2}}$

$\mathbf{x = 300}$

Recall that:

$\mathbf{Area =xy}$

So, we have:

$\mathbf{Area = 300 \times 120}$

$\mathbf{Area = 36000}$

Hence, the maximum area of the pen is 36000 square feet.

Read more about maximum areas at:

brainly.com/question/11906003

7 0

3 years ago

What is the surface area of the cube formed by the pattern below? Plzzzzzzzzzzz heeeeeeeeeeeeeeeeeeeeeeeeeeeelllllllllllllllllll

Rus_ich [418]

Answer:

C

Step-by-step explanation:

$SA = 6(a^2) = 6(7^2) = 6 * 49 = 294$

5 0

3 years ago