2 years ago

Do 0.3 and 3.0 have the same value? Explain

Mathematics

2 answers:

Strike441 [17]2 years ago

8 0

Answer:

No!

Step-by-step explanation:

0.3 is in the tenths place, & 3.0 is in the one's place. :)

Marysya12 [62]2 years ago

8 0

Answer:

... no?

Step-by-step explanation:

because 3.0 is whole and .3 is .009 precent of 3? if you're learning math that makes those even then I'm mind blown.

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Ariel wrote a total of 4 pages over 2 hours. How many hours will Ariel have to spend writing this week in order to have written

Pachacha [2.7K]

Your answer is 1

Step-by-step explanation:

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2 years ago

Liz is using the distributive property to evaluate the expression 27(36) by using friendlier numbers. Her work is shown below.

Katen [24]

Liz attempted to factor 36. Since 36 = 3*12 and not 3+12, this is not the way to go. In stead of factoring 36, she should have split it into a friendly sum, like 36=30+6.

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4 0

2 years ago

Read 2 more answers

Solve (x + 4)2 – 3(x + 4) – 3 = 0 using substitution. u = Select the solution(s) of the original equation.

bezimeni [28]

Answer:

$\dfrac{-5-\sqrt{21}}{2},\ \dfrac{-5+\sqrt{21}}{2}$

Step-by-step explanation:

For the equation $(x+4)^2-3(x+4)-3=0$ use the substitution $u=x+4.$ Then the equation will take look

$u^2-3u-3=0.$

Solve this quadratic equation:

$D=(-3)^2-4\cdot 1\cdot (-3)=9+12=21,\\ \\u_{1,2}=\dfrac{-(-3)\pm \sqrt{21}}{2}=\dfrac{3\pm\sqrt{21}}{2}.$

Thus,

$x+4=\dfrac{3-\sqrt{21}}{2}\text{ or }x+4=\dfrac{3+\sqrt{21}}{2},\\ \\x_1=\dfrac{3-\sqrt{21}}{2}-4=\dfrac{-5-\sqrt{21}}{2}\text{ or }x_2=\dfrac{3+\sqrt{21}}{2}-4=\dfrac{-5+\sqrt{21}}{2}.$