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3 years ago

34 + 2.5 =(Input only whole numbers.)

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

5 0

Answer:

Step-by-step explanation:

For this problem, you have to remember PEMDAS.

Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.

That's the order that you must do things in an equation.

So the $3^{4}$ would be first.

$3^{4}$ is like 3 x 3 x 3 x 3.

Then do the 2 · 5.

Finally, add them together:

Viefleur [7K]3 years ago

3 0

Answer:

Step-by-step explanation:

Use PEMDAS:

Exponents and multiplying before adding.

$3^4+2*5\\\rightarrow 3^4=81\\81+2*5\\\rightarrow 2*5=10\\81 + 10 =91$

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188,888*1000 ???????<br><br><br><br> really need help!!!!!!!!!!!!!!!!!!!!!!!

d1i1m1o1n [39]

<h3>The answer is :-</h3>

188,888,000

<h3>Explanation :- </h3>

We have to multiply 188,888 by 1000

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2 years ago

On a citrus farm, the average annual yield of oranges is 124 pounds per tree when the number of trees is 22 per acre. For each a

ELEN [110]

Answer:

Number of orange trees = 3528

Step-by-step explanation:

Given: Average annual orange yield = 124 pounds (lbs) per tree

Number of trees = 22 per acre

Each tree produces 124 pounds, so 22 trees will produce

124*22 = 2728 lbs per acre

For every additional tree over 22, 2 pounds per tree is lost.

So, if you add x trees, you lose 2x pounds.

Thus, we have the function:

f(x) = (124 - 2x)*(22 + x) for the added tree(s)

$f(x) = 2728 + 80x - 2x^{2}$

For quadratic equations like this, the maximum(or minimum) is obtained by substituting x= -b/2a into the given equation. a and b are obtained from the general form of a quadratic equation:

$y =ax^{2} + bx + c$

Comparing this with f(x), we have that

a = -2 (coefficient of x2)

b = 80 (coefficient of x)

Using these values in x = -b/2a, we get

$x = -\frac{80}{2*(-2)} = 20$

So, use x = 20 in the maximum function we got earlier

$f(x) = 2728 + 80(20) -2(20^{2}) = 2728 + 1600 - 800\\ \\f(x) = 3528$

Therefore, the number of oranges that should be planted in order to maximize the number of pounds of oranges per acre = 3528

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3 years ago

Write 2.3181818 as a mixed number

Marina CMI [18]

We convert 2.3181818 to fraction as follows:

Let x = 2.3181818 . . . . . (1)

as can be seen, the repeating digits are 18

Multiply both sides of equation (1) by 1,000 to get
1,000x = 2318.1818 . . . . . (2)

Also, multiply both sides of equation (1) by 10 to get
10x = 23.181818 . . . . . (3)

Subtract equation (3) from equation (2) to get
990x = 2,295

Thus,
$x= \frac{2,295}{990} =2 \frac{7}{22}$

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3 years ago

What is the inverse function of f(x) =10^x

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Step-by-step explanation:

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3 years ago

34 + 2.5 =(Input only whole numbers.)​

34 + 2.5 =(Input only whole numbers.)