2 years ago

4. Castles and Coasters charges $12 to get

Mathematics

1 answer:

Vlad1618 [11]2 years ago

5 0

20+x = 12+2x is the answer and x=8

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Factor the expression using the GCF. The expression 21m−49n factored using the GCF is...

Roman55 [17]

Answer: 7(3m - 7n)

Step-by-step explanation:

Factor each term then see what value(s) they have in common:

21m - 49n

∧ ∧

3 · 7 · m 7 · 7 · n

Both terms have a 7 in common. What is left over after removing the 7?

21m: 7(3m)

49n: 7(7n)

GCF: 7 Leftovers: 3m and 7n

Factored form of expression is: 7(3m - 7n)

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Write that down the equation for the lines that is the graphs are depicted below

erastovalidia [21]

A(1,2)

Find slope of line (m)

$\\ \sf\longmapsto m=\dfrac{2-0}{1-0}$

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$\\ \sf\longmapsto y=mx+b$

$\\ \sf\longmapsto 2=2(1)+b$

$\\ \sf\longmapsto 2=2+b$

$\\ \sf\longmapsto b=2-2=0$

Equation of the line

$\\ \sf\longmapsto y=2x$

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IgorLugansk [536]

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2 years ago

F(x)=−4x ^ 2 +10 {Find }f(-2)

BlackZzzverrR [31]

Answer:

$f(-2) = -6$

Step-by-step explanation:

Step 1: Set x to -2

$f(-2) = -4(-2)^2 + 10$

$f(-2) = -4(4) + 10$

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Answer: $f(-2) = -6$

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saul85 [17]

Answer:

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Step-by-step explanation:

see picture for explanation.

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