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Marina86 [1]
3 years ago
10

***mathtest timed***

Mathematics
2 answers:
Gre4nikov [31]3 years ago
6 0
The answer is option A
Maurinko [17]3 years ago
5 0

Answer:

It is definetly not A. I took the test and that is wrong.

Step-by-step explanation:

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Lliana was part of a group that was working on changing 0.4 to fraction. Each member o the group had a different answer. Which a
Delicious77 [7]

Answer:

Both are correct.

A) A decimal fraction

B) A common fraction

Step-by-step explanation:

<u>1 step.</u> Write down 0.4 divided by 1:

\dfrac{0.4}{1}.

<u>2 step.</u> Multiply both top and bottom by 10 (because there are 1 digit after the decimal point):

\dfrac{0.4}{1}=\dfrac{0.4\cdot 10}{1\cdot 10}=\dfrac{4}{10}.

This fraction is called a decimal fraction.

<u>3 step.</u> Simplify the decimal fraction:

\dfrac{4}{10}=\dfrac{2\cdot 2}{2\cdot 5}=\dfrac{2}{5}.

This fraction is called a common fraction.

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3 years ago
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3 years ago
Write an equation of the parabola in vertex form.
GenaCL600 [577]
Vertex Form of Quadratic Equation - MathBitsNotebook(A1 - CCSS Math) f (x) = a(x - h)2 + k, where (h, k) is the vertex of the parabola. FYI: Different textbooks have different interpretations of the reference "standard form" of a quadratic function...:)
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3 years ago
Find the value of the expression 3m2 + 2p2 − 15 when m = 3 and p = 10.
Vika [28.1K]

Answer:

212

Step-by-step explanation:

3m² + 2p² - 15

Plug in the values.

3(3)² + 2(10)² - 15

Evaluate.

3(9) + 2(100) - 15

27 + 200 - 15

200 + 12

= 212

7 0
3 years ago
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