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algol [13]
3 years ago
10

An athletic stadium has a capacity of 1.5 × 10^4 fans. If 9 × 10^3 fans buy advance tickets to an event at the stadium, how many

tickets will be available at the box office on the day of the event? Use Standard Notation
Mathematics
2 answers:
Oduvanchick [21]3 years ago
8 0
1.5 x 10^4 = 15,000
9 x 10^3 = 9,000

15,000 - 9,000 = 6,000 <=== or 6 x 10^3
Vitek1552 [10]3 years ago
5 0
So simply substract......
1.5×10^4-9×10^3

=.6×10^4.......answer
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irina [24]
They should both be A :)
3 0
3 years ago
What is the first step in simplifying the expression 11x-2-3(1-7x)^2+(x+1)?
Gennadij [26K]

Answer:

PEMDAS is a great way to figure this out!

P - Parenthesies

E - Exponents

M - Multiplcation

D - Division

A - Addition

S - Subtraction

Follow this order and you should be good to go! Here's how I would follow this in this equation.

11x-2-3(1-7x)^2+(x+1)

First, parentheses

The 3 directly next to the parenthesies shows that everything inside of the () needs to be multiplied by 3.

-3*1  and -3*-7x (don't forget the negative)

This gives us 11x-2+(-3+21x)^2+(x+1)

Now distribute the exponents to everything inside of the parentheses.

11x-2+-3^2+21x^2+(x+1)

now solve the numbers with exponents without a variable.

3^2 = 3*3 = 9

combine any numbers without a variable outside of parentheses

11x-2+9+21x^2+(x+1)

11x+7+21x^2+(x+1)

From here, what I would do is divide the whole equation by 2

5.5x+3.5+21x+(.5x+.5)

now combine x values outside of parentheses

3.5+26.5x+(.5x+.5)

I believe this would be the simplest form, but please do correct me if I'm wrong or made any errors

7 0
3 years ago
. Which category(s) does 75% belong? I. Real II. Whole III.Rational IV. Integer V. Irrational VI. Natural * A. III and IV only B
kifflom [539]

Answer: B.) 1 and 111 only.

Step-by-step explanation:

75% = 75/100 = 0.75

0.75 falls into the category of rational numbers. Rational numbers comprises of numbers which can be expressed in the form a/b where a and b are integers and B is not 0. Here, both 75 and 100 are integers, thus 75% is a rational number.

Irrational numbers are the opposite of rational numbers thus, 75% is not irrational.

All rational numbers and irrational numbers are REAL numbers, hence, 75% is a real number.

Natural numbers are whole digits starting from 1 e.g ( 1, 2, 3,......). Hence 75% is not a natural number

Whole numbers are natural numbers including 0. (0, 1, 2,.....). Hence, 75% is not a whole number

Integer numbers are comprises of both positive and negative whole numbers. (..., - 1, - 2, 0, 1, 2,...). Hence, 75% is not an integer.

4 0
3 years ago
What is m∠CAD?
SSSSS [86.1K]

Answer:

100

Step-by-step explanation:

All angles in a triangle equal to 180.

80+20=100

180-100=80

The line is 180

180-80=100

8 0
3 years ago
Read 2 more answers
Given that AD and BC bisect each other at E, prove that ⦟B ≅⦟D.
Aloiza [94]

Answer:

answer is 0.15 tell me if ot is right

7 0
3 years ago
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