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3 years ago

What does the unit 3 represents in the number 21,473,862,095

Mathematics

1 answer:

dangina [55]3 years ago

5 0

Answer:

1 million

Step-by-step explanation: you go from the last number and count the steps like ones, tens, hundreds, and so on

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What’s the answer cause I need it bad

pentagon [3]

Answer: $(-9,-3)$

Step-by-step explanation:

Given the following system of equations:

$\left \{ {{2x=-78-20y} \atop {-x=-51-20y}} \right.$

In order to solve the System of equations, you can use the Substitution method. The steps are:

1. You can solve for "x" from the second equation:

$-x=-51-20y\\\\x=51+20y$

2. Substitute the equation obtained into the first original equation:

$2x=-78-20y\\\\2(51+20y)=-78-20y$

3. Now you must solve for "y":

$102+40y=-78-20y\\\\40y+20y=-78-102\\\\60y=-180\\\\y=\frac{-180}{60}\\\\y=-3$

4. Substitute the value of "y" into the equation $x=51+20y$ and evaluate:

$x=51+20(-3)\\\\x=51-60\\\\x=-9$

Then, the solution is:

$(-9,-3)$

8 0

3 years ago

What would not be a step in solving 18=2(4+x)

Neko [114]

Step-by-step explanation

Well you gave no answer choices so here are the steps and maybe you can just find out which one isn't here :)

18=2(4+x) first multiply 2 into 4+x

18=8+2x then subtract 8 from the other side

10=2x divide both sides by 2

x=5

Best of luck <3

7 0

2 years ago

Please help me! 10.6 cm 13.5cm Area=?

frozen [14]

Multiply those 2 numbers and divide that answer by 2

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3 years ago

Create an equation and solve. The cost of a concert ticket for a student is $2 less than one half of the cost for an adult. The

Sonja [21]

Answer: a=14

Step-by-step explanation:

Equation: 5=1/2a-2

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