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3 years ago

What is the relationship between the two constants of proportionality?

1 answer:

6 0

We call the ratio between two directly proportional quantities the constant of proportionality. When two quantities are directly proportional, they increase and decrease at the same rate. While these two quantities may increase or decrease, the constant of proportionality always remains the same.

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What is the value of 5n-3 when n=5?

joja [24]

Answer:

Step-by-step explanation:

We are given the expression:—

$\displaystyle \large{5n-3}$

When n = 5, substitute/change n to 5:—

$\displaystyle \large{5(5)-3}$

Evaluate:—

$\displaystyle \large{25-3=\boxed{22}}$

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<u>Summary</u>

<u>Substitution</u>

Changing or replacing from a term to another terms/expression is called substitution.

Examples:—

If we are given the expression $\displaystyle \large{2y-1}$ and we want to find the value when y = 4, simply replace y-term to 4.

$\displaystyle \large{2(4)-1=8-1=\boxed{7}}$

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If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!

8 0

2 years ago

Find the polynomial.(-1/3,4) is the solution set of

Sholpan [36]

If the solutsion are r1,r2 then the factored form is
y=a(x-r1)(x-r2) where a is a constant

so

r1=-1/3
r2=4

y=a(x-(-1/3))(x-4)
y=a(x+1/3)(x-4)

so it will be
y=a(x+1/3)(x-4)
a is a constant

7 0

3 years ago

Read 2 more answers

1. FIND THE SLOPE FROM THE TABLE.

joja [24]

Answer:

Step-by-step explanation:

Just test two coordinates. Just do y2-y1/x2-x1. 60-80/20-10 = -20/10 = -2

5 0

3 years ago

Solve 13 14 15 please.

icang [17]

$x^2=144\\\\x=\pm\sqrt{144}=\pm12\ because\ (\pm12)^2=144\\\\x^3\dfrac{25}{289}\\\\x=\pm\sqrt{\dfrac{25}{289}}=\pm\dfrac{5}{17}\ because\ \left(\pm\dfrac{5}{17}\right)^2=\dfrac{25}{289}\\\\x^3=216\\\\x=\sqrt[3]{216}=6\ because\ 6^3=216$

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3 years ago

Last year the company realized $13,500,000 in operating income (EBIT). Its annual interest expense is $1,500,000. What was the c

Nikolay [14]

Hehhebrhr shebehjeej wished benenel when Jensen irks kebdkeb owner ksnsbjs jeheheje

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3 years ago