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Ne4ueva [31]
3 years ago
15

18x + 13y where x = 14 and y = 12

Mathematics
2 answers:
gulaghasi [49]3 years ago
8 0

Answer:

Substitute

18(14) + 13(12)

252 + 156

409

IRINA_888 [86]3 years ago
3 0

Answer:

252 + 156 = 408

Step-by-step explanation:

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Find the length and width of a rectangle that has the given perimeter and a maximum area. Perimeter: 392 meters
antiseptic1488 [7]

Answer:

the length is 98 meters and the width 98 meterss

Step-by-step explanation:

We have that the length is l and the width is w, we know that:

P = 2 * w + 2 * l

if we solve for it, we have:

l = P / 2 - w

Now, we know that the area is:

A = l * w

if we replace l, we are left with:

A = (P / 2 - w) * w

A = P * w / 2 - w ^ 2

we derive to know the maximum area and we equal 0 and we have:

A '= P / 2 - 2 * w

0 = P / 2 - 2 * w

w = P / 4

now for him:

l = P / 2 - P / 4

l = P / 4

Therefore, if we replace:

l = 392/4 = 98

w = 392/4 = 98

For the maximum area the length is 98 meters and the width 98 meterss

6 0
4 years ago
Determine the domain of the function graphed above.
Genrish500 [490]

Answer:

Domain: (-∞, ∞)

General Formulas and Concepts:

<u>Algebra I</u>

  • Domain is the set of x-values that can be inputted into function f(x)

Step-by-step explanation:

According the the graph, we see that our x-values are spanning forever in both directions. Therefore our domain is:

(-∞, ∞) or -∞ < x < ∞

3 0
3 years ago
Evaluate the expression 10-2x for the x values given below
cricket20 [7]

For this case we have the following expression:

10-2x

Let's evaluate the expression for some values of x.

We have then:

For x = 1:

10-2 (1)\\10-2\\8

For x = 2:

10-2 (2)\\10-4\\6

For x = 3:

10-2 (3)\\10-6\\4

For x = 4:

10-2 (4)\\10-8\\2

For x = 5:

10-2 (5)\\10-10\\0\\

Answer:

The value of the expression in ordered pairs is:

  • (1,8)
  • (2.6)
  • (3,4)
  • (4.2)
  • (5.0)
5 0
3 years ago
Number 11 plz also show your work
Serjik [45]

Answer:3.25 gallons

Step-by-step explanation:48 miles÷2 gallons =24 miles

Every 24 miles equals 1 gallon

So 78 ÷ 24= 3.25

3.25 gallons

4 0
3 years ago
Read 2 more answers
6
marusya05 [52]

The number of eggs sold on Tuesday is 2 complete circles, while the number of eggs sold on Wednesday is 2 complete circles and 1 quarter of the circle.

<h3>What is a graph?</h3>

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. Usually, the line of the graph is a function that follows the graph.

Given on Monday the shop sold 18 eggs. Therefore, each quarter of the circle represents 3 eggs.

Hence, the number of eggs sold on Tuesday is 2 complete circles, while the number of eggs sold on Wednesday is 2 complete circles and 1 quarter of the circle.

Learn more about Graph:

brainly.com/question/21608293

#SPJ1

5 0
2 years ago
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