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2 years ago

Write the number five hundred two thousand, six hundred seventy-eight in standard form.

Mathematics

1 answer:

Arada [10]2 years ago

8 0

The answer is 502678

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How do you determine whether to use substitution or elimination. give an example of a system that you would solve using each met

nadezda [96]

You determine which one to use by seeing which one would be easier

elimination: 5x + 7y = 2
-5x + 6y = 6

substitution: y = 9x + 5
2y = 7x + 2

3 0

3 years ago

Solve 54 - 10x s 20 + 7x.

konstantin123 [22]

9514 1404 393

Answer:

2 ≤ x

Step-by-step explanation:

Maybe you want to solve ...

54 -10x ≤ 20 +7x

34 ≤ 17x . . . . . . . . . . . . add 10x-20 to both sides

2 ≤ x . . . . . . . . . . . . . . divide by 17

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2 years ago

What is the measure of this missing angle plsss teach me how to do this

Andreyy89

Answer:

115

Step-by-step explanation:

am i rigth because 40° to 75° and the lost is 115°

4 0

2 years ago

PLEASE HELP! A positive number is 1/3 of another number. The sum of the numbers is five less than the square of the larger numbe

antoniya [11.8K]

Answer: The numbers are 1 and 3.

Step-by-step explanation:

Let x = smaller number , y= larger number.

As per given,

$x=\dfrac{y}{3}$ ...(i)

$x+y=y^2-5$ ...(ii)

Put value of x from (i) in (ii)

$\dfrac{y}{3}+y=y^2-5\\\\\Rightarrow\ \dfrac43y=y^2-5\\\\\Rightarrow\ 3y^2-4y-15=0\\\\\Rightarrow\ 3y^2-9y+5y-15=0\\\\\Rightarrow\ 3y(y-3)+5(y-3)=0\\\\\Rightarrow\ (y-3)(3y+5)=0\\\\\Rightarrow\ y=3 \ \ or\ y=\dfrac{-5}{3}$

Since numbers are positive , so y=3 is correct.

And x will be 1 [from (i)]

Hence, the numbers are 1 and 3.

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2 years ago

Which are partial products for 68 × 43?

Ksivusya [100]

D.600 TINEE 40 =24,000

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2 years ago