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nexus9112 [7]
3 years ago
13

ARCHERY .The school wants to buy new bows for the archery team. one store charges $485 per bow. Another charges $505. how much d

oes the cheaper bow cost?
Mathematics
1 answer:
Sergio039 [100]3 years ago
3 0
It depends how good the bows are. I would say the $485 per bow if they are good quality.
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What is the opposite of +43​
IceJOKER [234]

Answer:

The opposite number of +43 is -43 , I hope this is helpful :)

7 0
3 years ago
What are the solutions of the equation x4 – 5x2 – 36 = 0? Use factoring to solve.
pentagon [3]

Answer:

x=+/-3

Step-by-step explanation:

x^4-5x^2-36=0

factor

(x^2-9)(x^2+4)=0

split into 2 equations because one of these terms will need to equal zero for the eqation to be true

x^2-9=0              x^2+4=0

x^2=9                    x^2=-4

x=+/-3                    no real numbers

7 0
3 years ago
Which of these numbers are divisible by 2? a 45. b 70. c 497. d 2380. e 6678. f 12443.​
Snowcat [4.5K]

Answer:

b, d and e

Step-by-step explanation:

Only even numbers are divisible by 2

The only even numbers in the list are

b 70

d 2380

e 6678

7 0
2 years ago
Read 2 more answers
10 ÷ (20 ÷ 2² × 5 ÷ 5) × 8 - 2
dangina [55]
Use PEMDAS:

P arenthesis
E xponents
M ultiplication
D ivision
A dd
S ubstract

Paranthesis and Exponents
(20 / 2^2 * 5 / 5) = 5

Multiplication
5*8= 40

Division
10 / 40 = 0.25

Subtraction
0.25 - 2 = −1.75

Therefore,
The answer is -1.75


5 0
3 years ago
Who created multiplication ?
Anuta_ua [19.1K]

Multiplication is a very old concept in math. So old that it dates back to ancient egypt, mesopotamia, etc. Each place probably came up with the concept on their own parallel to one another, or trade helped make the concept spread. It's very likely that the actual person who came up with the idea is unknown and won't be known since the concept is so ancient. It's like asking "who came up with the alphabet" which is an equally old concept.

Side note: multiplication is repeated addition. So if we added 3+3+3+3+3 to get 15, then we can say 3*5 = 12 as a shortcut. So its likely ancient peoples were adding the same number to itself over and over, leading them to develop a shortcut notation/method to get the answer quicker.

4 0
3 years ago
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