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Vanyuwa [196]
3 years ago
15

Which equation is not equivalent to the formula m = ca?

Mathematics
1 answer:
kherson [118]3 years ago
3 0

\displaystyle\\ m = c \times a\\\\ \Longrightarrow \begin{cases} c = \dfrac{m}{a} \\\\ a = \dfrac{m}{c} \\\\ m = a\times c  \end{cases}\\\\ \Longrightarrow\text{Equation}\text{\bf "a equals c over m"}\text { is NOT equivalent to the formula m = ca}

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Find the midpoint of NP⎯⎯⎯⎯⎯ given N(2a, 2b) and P(2a, 0).
geniusboy [140]

Answer:

(2a, b )

Step-by-step explanation:

Given the endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

[ \frac{1}{2}(x₁ + x₂ ), \frac{1}{2}(y₁ + y₂ ) ]

Here (x₁, y₁ ) = N(2a, 2b) and (x₂, y₂ ) = P(2a, 0), thus

midpoint = [ \frac{1}{2}(2a + 2a), \frac{1}{2}(2b + 0 ) ] = (2a, b )

4 0
3 years ago
Select an equation that is equivalent to a^2-144b^2 a) (a-12b)^2 B) (a+12b)^2 C) (a-12b)(a+12b) C) a^2-24ab+144b^2
Nataliya [291]

Answer:

C) (a-12b)(a+12b)

Step-by-step explanation:

a^2-144b^2 = (a-12b)(a+12b)

This is the formula that when two terms squared are written with a minus sign between them their factors are the product of the original numbers once with a plus sign and once with the minus sign.

This can be explained by multiplying them.

                (a-12b)

<u>                 *(a+12b)         </u>

                  a²- 12ab

  <u>                     +12ab - 144b²      </u>

<u>                     a²    +0    - 144b²    </u>

We see we get the same answer as applying the formula above.

4 0
2 years ago
Suppose you are making a model where one block represents 5 feet. About how many blocks tall is your model of the Empire State B
Ymorist [56]
Answer:
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Scale factor:

Explanation:
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3 0
3 years ago
My homework says name a 2 digit odd number that is prime. name a 2 digit odd number that is composite.
lidiya [134]
2 digit meaning that it has 2 numbers. For example, 66 is a two digit number.
Now, they also said it must be prime, meaning that its factors can only be 1 and itself. 
Also, it must be odd. 

Answer:  67

Now, do the same, except the number must be composite, as meaning that it has other factors. 

Answer:   21
5 0
3 years ago
Read 2 more answers
Two numbers are in a ratio of 1:4 and their sum is 50. What is the smaller number?
katrin [286]
Let us assume the common ratio to be = x
Then
(1 * x) + (4 * x) = 50
x + 4x = 50
5x = 50
x = 50/5
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So from the above deduction, we get the common ratio to be equal to 10
Then
The smallest number = 1 * x
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                                  = 10
3 0
3 years ago
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