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3 years ago

What is 568 / by 490

Mathematics

2 answers:

elena55 [62]3 years ago

6 0

Answer:

It is 1.159

Approximately 1.2

Step-by-step explanation:

marshall27 [118]3 years ago

6 0

Answer:

1.15

Step-by-step explanation:

to check just do 1.15 x 490

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100 PTS!!!! The perimeter of a rectangle is 4(4x - 5) inches. the length of the sides of the rectangle are 2 x + 3 inches and 3x

vekshin1

Answer:

2 sides are $\frac{33}{13}$ or 2.5

2 sides are $\frac{47}{13}$ or 3.6

Step-by-step explanation:

There must be 2 2x+3s and 2 3x+2s

The perimeter is the sum of the sides (it has 4 sides)

2(2x+3) + 2(3x+2) = 4(4x-5)

distributive property

2*2x + 2*3

4x+6

other one

2*3x + 2*2

6x+4

perimeter

4*4x + 4*-5

16x-20

together...

(4x+6) + (6x+4) = 16x-20

add like terms

10x+10 = 16x-20

add 20 to both sides

10x+30 = 16x

subtract 10x from both sides

30 = 26x

divide by 26 on both sides

$\frac{30}{26} = x$

simplify

$\frac{15}{13}$

Substitute the x value

2 of the sides are 2x+3

$2(\frac{15}{13} ) + 3$

$\frac{30}{13} + \frac{3}{1}$

$\frac{33}{13}$

or 2.5

other sides

$3(\frac{15}{13} ) + 2$

$\frac{45}{13} + \frac{2}{1}$

$\frac{47}{13}$ or 3.6

That's all I can say for now! Hope this helps and a thank won't hurt! :)

5 0

3 years ago

Read 2 more answers

A lunch menu has a 4-piece lunch special which consists of a sandwich, soup, dessert and drink. They offer the following choices

ryzh [129]

Answer:

There are 160 possible 4-piece lunch special meal.

Step-by-step explanation:

The lunch menu has a 4-piece lunch special which consists of a sandwich, soup, dessert and drink.

The available options for the sandwiches, soups, desserts and drinks are:

Sandwich: chicken, cheese and tomato, tuna, ham and lettuce, turkey

Soup: tomato, chicken noodle, vegetable

Dessert: ice-cream, piece of cake

Drink: tea, coffee, Coke, Sprite

So, the number of options are:

n (Sandwich) = n (A) = 5

n (Soup) = n (B) = 4

n (Dessert) = n (C) = 2

n (Drink) = n (D) = 4

There are 5 ways to select a sandwich, 4 ways to select a soup, 2 ways to select a dessert and 4 ways to select a drink.

The total number of possible 4-piece lunch special is:

Total number of 4-piece lunch special = n (A) × n (B) × n (C) × n (D)

$=5\times4\times2\times4\\=160\\$

Thus, there are 160 possible 4-piece lunch special meal.

8 0

3 years ago

If the distance from the boat to the lighthouse is 110 meters and the angle of elevation is 44°, which of the following equation

Vladimir79 [104]

Answer:

Step-by-step explanation:

Applying SOH CAH TOA

The opposite to the angle 44° is the height

let the height be x meters

The distance from the both to the lighthouse is 110 meters which is the adjacent

Applying Tan ∅= opp/adj

The equation used to find the height is Tan ∅= opp/adj

$Tan (44)=\frac{x}{110} \\\0.9656= \frac{x}{110} \\\\0.9656*10= x\\9.656=x\\x= 9.65cm$

The height is 9.65cm

7 0

4 years ago

Which set of ordered pairs represents a function?

polet [3.4K]

C because the x coordinate cannot repeat in a function. One x coordinate can go into multiple y coordinates though.

Hope it helps

7 0

3 years ago

Here are four equations connecting x and y.

Inessa [10]

Answer:

the y = kx^2 and y=kx, both of them are directly proportional to x, the equations y= are incomplete I guess, I can not answer on it

8 0

3 years ago