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2 years ago

W/−2.5 = 8 what is w

Mathematics

1 answer:

7nadin3 [17]2 years ago

6 0

Answer:

10.5

Step-by-step explanation:

I got this answer because since we don't have the minuend( first number of the subtraction problem) so we have to work with the numbers we have. We know that the sum is 8 and since this is a subtraction problem we will add 8 and 2.5 this leaves us with 10.5 so this is what the final rendering of the equation will look like, 10.5-2.5= 8.

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Charlie has $3.15 in his bank which contains only nickels and dimes. There are 9 more nickels than dimes. Find the number he has

Brrunno [24]

Charlie has $3.15 in his bank which contains only nickels and dimes. There are 9 more nickels than dimes. Then Number of dimes =18

and Number of nickels =27

<h3>What is basic algebra ?</h3>

Mathematical expressions can be used to depict situations or issues, and algebra is the field of mathematics that does this. For a mathematical expression to have meaning, it needs to include variables like x, y, and z as well as mathematical operations like addition, subtraction, multiplication, and division. Algebra is used in every area of mathematics, including coordinate geometry, calculus, and trigonometry. A straightforward algebraic expression is 2x + 4 = 8.

Given that : Charlie has $3.15 in his bank which contains only nickels and dimes. There are 9 more nickels than dimes

Let d be the number of dimes

d + 9 = Number of nickels

A dime = 0.1

nickle is = 0.05

0.1d + 0.05d + 0.45 = 3.15

0.15d = 2.7

d = 18

Number of dimes =18

Number of nickels = 18 + 9

=27

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Square OABC is drawn on a centimetre grid. O is (0,0) A is (3,0) B is (3,3) C is (0,3) Write down how many invariant points ther

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Answer:

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Step-by-step explanation:

Hello!

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