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erma4kov [3.2K]

3 years ago

5

Decimals that have the same value are

1 answer:

shepuryov [24]3 years ago

4 0

<span>Decimals that have the same value are equivalent decimals. Equivalent decimals are decimal numbers that have the same value (the same amount). In other words equivalent decimal numbers have the same value but different number of decimals. For example:
0.5 and 0.50 are equivalent decimals.
0.5 and 0.500
0.05 and 0.0500

</span>

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In the system of equations, r and s are constants. If the system has infinitely many solutions, what is the value of rs?

exis [7]

Answer: B) -48

Step-by-step explanation:

If the system of two linear equations $a_1x+b_1y=c_1\ \&\ a_2+b_2y=c_2$ has infinitely many solutions , then

$\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}=k$

For the given system of linear equations : $rx-sy=26\\4x+3y=13$

We , will have

$\dfrac{r}{4}=\dfrac{-s}{3}=\dfrac{26}{13}=2\\\\\Rightarrow\ r= 4\times2=8\ \ \&\ \ s=2\times-3=-6$

The value of $rs=(8)\times-6=-48$

Hence, the value of rs is -48.

Thus , the correct option is B) -48.

6 0

3 years ago

The diameter of a semicircle is 2 miles. What is the semicircles perimiter?

NeTakaya

6.28 (equation for circle perimeter is 2πr)

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3 years ago

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You got paid twice this month one check was for $230.16 and the other was for $131.08 how much did you get paid all together

STALIN [3.7K]

Answer: The answer is 361.24

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2 years ago

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PLEASE HELP IM SERIOUSLY STUCK E

lara31 [8.8K]

Answer: 2.12 × $10^{-3}$

The coefficient (in green) will be 2.12

Step-by-step explanation:

Scientific notation is written by multiplying the number by a power of 10. This number is a number between 1 and 10.

Since this is a smaller number, we will be multiplying it by a power of 10 to a negative number.

To get this value to a number between 1 and 10, we must multiply it by 10 3 times (also shown as 10³) which gives us 2.12.

To get back to the original value, we multiply this by $10^{-3}$ . This gives us our answer.

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1 year ago

Select the THREE situations that could be represented by the product of two numbers equal to -20

Cerrena [4.2K]

Answer:

it might be 3 one according to me

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2 years ago