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3 years ago

Please factorise 14cd – 7c

Mathematics

2 answers:

igomit [66]3 years ago

8 0

Answer:

7c (2d - 1)

Step-by-step explanation:

Common factorization

liberstina [14]3 years ago

3 0

Answer:

$\bold{ 7c(2d - 1)}$

Step-by-step explanation:

$\sf \rightarrow 14cd - 7(c)$

take 7(c) as common factor

$\sf \rightarrow 7c(2d - 1)$

factorised

$\sf 7 c(2d - 1)$

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3 years ago

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Cerrena [4.2K]

Answer:

9 weeks and the constant is 5 pounds

Step-by-step explanation:

Bob starts at 220 pounds, but his goal is 175. We subtract those two terms to find the number of pounds he is trying to loose. 220-175 = 45. Since we know that he is loosing 5 pounds a week, then we know to divide. 45/5= 9 weeks. The constant would be five because that factor doesn't change. He looses at a constant of 5 pounds.

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3 years ago

How many kilometers are equivalent to 3,570 meters?

sergejj [24]

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4 0

4 years ago

Read 2 more answers

Write the vertex form of the equation of the parabola which has a vertex of (0,0) and contains the point (2,-2)

Anettt [7]

$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
y=a(x-{{ h}})^2+{{ k}}\qquad 
\begin{cases}
h=0\\
k=0
\end{cases}\implies y=a(x-0)^2+0
\\\\\\
y=ax^2\qquad 
\begin{cases}
x=2\\
y=-2
\end{cases}\implies -2=a2^2$

solve for "a", to get the coefficient, and then plug it back in the equation.

7 0

4 years ago