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4 years ago

Kevin uses each of the digits 6,4,3 and 8, once and once only to make four digit numbers.

Mathematics

2 answers:

Mars2501 [29]4 years ago

8 0

4683? I really don’t understand that but idk

kherson [118]4 years ago

4 0

Answer:

3468

Step-by-step explanation:

We can make four digit number from the digits 6,4,3,8

Smallest digit for thousands is 3=3000

Smallest digit for hundreds (out of remaining 6,4,8) is 4 = 400

Smallest digit for tenths (out of remaining 6,8) is 6= 60

And unit digit is 8

So the smallest number is 3000+400+60+8=3468 answer

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3 years ago

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3 years ago

HELPP!!! QUICK!! Will give brainliest.

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An expression is defined as a set of numbers, variables, and mathematical operations. The zeroes of the b(x) will be (5/4) and (-5/4).

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution for the expression b(x) can be written as,

b(x)=16x²-25

b(x)= (4x)² - 5²

b(x)=(4x-5)(4x+5)

The zeroes of the b(x) will be (5/4) and (-5/4).

Hence, The zeroes of the b(x) will be (5/4) and (-5/4).

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2 years ago

A change purse contains an equal number of pennies, nickels, and dimes. the total value of the coins is 512 cents. how many coin

sammy [17]

Let

x---------> the total number of coins

we know that

512 cents-------> is equal to $5.12

1 penny is equal to $0.01

1 nickel is equal to 5 penny--------> $0.05

1 dime is equal to 2 nickel--------> $0.10

$\frac{x}{3}*0.01+ \frac{x}{3}*0.05+\frac{x}{3}*0.10=5.12$

$\frac{x}{3}*[0.01+0.05+0.1]=5.12 \\\\x*[0.16]=15.36 \\\\ x=\frac{15.36}{0.16} \\\\x= 96\ coins$

the total number of coins are 96

Divide 96 by 3 to obtain the number of coins of each type

therefore

<u>the answer is</u>

the number of penny coins are $32$

the number of nickel coins are $32$

the number of dimes coins are $32$

6 0

3 years ago