you have some money. your friend has $50 less. Write an expression in simplest form that represents the total amount of money you and your friend have

Answers

Answer 1

Answer: x=your money
y=total amount

x + (x-50) = y

This is one way to do it but it depends on what you learned from your teacher.

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A student spends the same amount each week for bus fare. In 5 weeks he spends $115. Which equation shows this relationship Let x = number of weeks A) y=3.22x B) y=5x C) y=23x D) y= 115x

Solve the equation for y. 6y-1.5x=8

Answers

Answer:

Value of y is:

y = 0.25x + 1.33

Step-by-step explanation:

We are given a equation:

6y-1.5x=8

and we have to solve for y

6y-1.5x=8

⇒ 6y = 1.5x + 8

On dividing both sides by 6, we get

y = 0.25x + 1.33

Hence, On solving the equation for y, we get

y = 0.25x + 1.33

Solve for y by simplifying both sides of the equation, then isolating the variable. So your answer would be y=0.25x+4/3

What is the surface area of the geometric figure that can be formed by the net?(Image)

A. 36 cm2
B. 60 cm2
C. 66 cm2
D. 72 cm2

Answers

Answer:

Option D.

Step-by-step explanation:

The area of a rectangle is

$Area=length * width$

In the given net we have 6 rectangles with three pairs of congruent rectangles.

Rectangle 1 and 5 are congruent with length 3 cm and width 2 cm.

$A_1=A_5=3 * 2=6$

Rectangle 2 and 4 are congruent with length 6 cm and width 3 cm.

$A_2=A_4=6 * 3=18$

Length of width of rectangle 3 are 6 cm and 2 cm respectively.

$A_3=A_6=6 * 2=12$

The total area of the figure is

$A=A_1+A_2+A_3+A_4+A_5+A_6$

$A=6+18+12+18+6+12$

$A=72$

The area of figure is 72 square cm. Therefore, the correct option is D.

The surface area is 72cm squared

What is 20% of 55?
I need help PLEASE!

Answers

20% of 55 is 11

Convert your percentage into a decimal:
$(20)/(100) = 0.2$

Multiply your decimal by 55:
$0.2 * 55 = 11$

20 percent is 1/5, so divide 55 by 5, which equals 11.

I have a table showing proportional relationships and I don't know how to find ?x 4 10 12
y 6 15 ?

Answers

The ratio here from X/Y=4/6=10/15=12/?

We can see that the ratio is ⅔

Now let's see, ⅔=12/?
cross multiply to get 36=2?
now divide both sides by 2 to get 18=?

Alana and Petra go to a used book sale, where every book is the same price. Alana buys 5 books and Petra buys 4 books. They run into their friend Angus, who really loves to read, and discover that he has bought 19 books. Angus received a $10.00 discount, but he still spent $7.50 more than Alana and Petra combined. How much does one book cost?