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3 years ago

What are rates? Can someone please explain discreptively?

2 answers:

6 0

A ratio are two numbers in the same unit being compared to one and another (for example, 2:18). A rate are two numbers in different units being compared to one and another (for example, 2 corn cost $1. The units are different, one is a number of items/objects and the other is a price).

harina [27]3 years ago

3 0

A rate is something like 60 km/h.
this is as much as i can tell you.
hope this helps.

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3+2•[(2+1)•5+8]<br> Simplify the expression

Oksi-84 [34.3K]

*115*

do the parentheses in the parentheses first, then the outer parentheses, then the stuff outside the parentheses.

PEMDAS

parentheses...exponents...multiplication/division...Addition/subtraction.

3 0

3 years ago

Jalen inherited a collection of vintage comic books. An appraiser separated the comic

sladkih [1.3K]

Jalen has total 63 comic books.

Step-by-step explanation:

Given,

Total value of comic books = $3135

Let,

Number of $45 comic books = x

Number of $65 comic books = y

According to given statement;

45x+65y=3135 Eqn 1

x=y+33 Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$45(y+33)+65y=3135\\45y+1485+65y=3135\\110y=3135-1485\\110y=1650\\$

Dividing both sides by 110

$\frac{110y}{110}=\frac{1650}{110}\\y=15$

Putting y=15 in Eqn 2

$x=15+33\\x=48$

Total comic books = x+y

Total comic books = 48+15 = 63

Jalen has total 63 comic books.

Keywords: addition, elimination method

Learn more about elimination method at:

#LearnwithBrainly

7 0

3 years ago

The perimeter of a rectangular playground is 46m. If the length of the park is 7m, what is the width of the park?

HACTEHA [7]

Answer:

16m

Step-by-step explanation:

Since the length of the park is 7m, then the other side is also 7m so 46-14 is 32. So 32/2 is 16.

4 0

3 years ago

What is the value of the digit 4 in 46000?

IgorC [24]

I think it is the tens because the first is ten thousand, second is thousand, third is hundreds and last is units ones

4 0

4 years ago

Read 2 more answers

How I do circumference and area

Artist 52 [7]

You multiply 3.14 by the diameter or 2 times the radius
for area you do pi or 3.14*radius squared

3 0

3 years ago