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Alex73 [517]
3 years ago
6

Sophie read a total of 4 books in 2 months. Then, she read 10 books in 5 months. What is the constant of proportionality?

Mathematics
2 answers:
melamori03 [73]3 years ago
7 0
The constant of proportionality is 2.
This is because 4 divided 2 is 2 and 10 divided by 5 is also 2
tatiyna3 years ago
6 0

Answer:

The COP is 2.

Step-by-step explanation:

Do 4 divided 2 which is 2 and then do 10 divided by 5 to also get 2.

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7(y + 2) – (4y – 10) = 44 – 2y + 5<br> y = -10
andrey2020 [161]

Answer:

y=-8

Step-by-step explanation:

7(y + 2) – (4y – 10)

=7y+14-4y+10

=3y+24

3y=-24

y=-8

3 0
3 years ago
Find the equation in general form of the circle with center at the origin and radius equal 6.
____ [38]
\bf \textit{equation of a circle}\\\\ &#10;(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2&#10;\qquad &#10;\begin{array}{lllll}&#10;center\ (&{{ h}},&{{ k}})\qquad &#10;radius=&{{ r}}\\&#10;&0&0&6&#10;\end{array}\\\\&#10;-------------------------------\\\\&#10;(x-0)^2+(y-0)^2=6^2\implies x^2+y^2=36
3 0
3 years ago
−5.010010001... number is rational or irrational or integer or real number?
mojhsa [17]
This is an irrational number because it cannot be written as a fraction
5 0
3 years ago
How do I get this form?
serg [7]

Short answer: you don't.

The linear term in the numerator of the integral means the form shown is not applicable. Rather, you perform the integration using partial fraction expansion.

\displaystyle\int{\frac{5x+1}{25x^2+60x-13}}\,dx=\int{\frac{5x+1}{(5x-1)(5x+13)}}\,dx\\\\=\frac{1}{35}\int{\frac{5}{5x-1}}\,dx+\frac{6}{35}\int{\frac{5}{5x+13}}\,dx

The integral is ...

... (1/35)ln|5x-1| +(6/35)ln|5x+13| +C

_____

If the numerator of your integral were a constant, then the fractions multiplying the separate partial fraction integrals would have the same magnitude and opposite signs. You would end with the difference of logarithms, which could be expressed as the log of a ratio as shown in your problem statement.

6 0
3 years ago
How would you find: the number, 3/7 of which is equal to t ?
alexira [117]

Answer:

n = (7/3)t

Step-by-step explanation:

Represente the unknown number by n.  Then write the statement symbolically, as:

(3/7)n = t

and then solve the above equation for n by multiplying both sides by (7/3):

n = (7/3)t

5 0
3 years ago
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