3 years ago

Cuanto es 1/3 de 48 libros

Mathematics

2 answers:

Brrunno [24]3 years ago

8 0

The answer will be 16 libros

melamori03 [73]3 years ago

6 0

1/3 *48=16 16 libros

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If 3x+2y=33 and 2x+3y=42 what does x+y equal?

xenn [34]

Answer:

Step-by-step explanation:

3x+2y=33

2x+3y=42

Add the two equations together:

5x+5y=75

Divide both sides by 5:

x+y=15

Hope this helps!

6 0

3 years ago

Please help me :). I'll give brainiest

Dennis_Churaev [7]

Answer:

axis of symmetry: $x=3$ , vertex: $(3,23)$

Step-by-step explanation:

$-\frac{b}{2a}=-\frac{12}{-4}=3$

axis of symmetry(x-value of the vertex): $x=3$

input this value into the function to get the vertex

$-2(3)^{2}+12(3)+5$

$-18+36+5$

$18+5$

$23$ is the y-value of the vertex

$(3,23)$

plz mark me brainliest. :)

4 0

3 years ago

What's your favorite subject?

nexus9112 [7]

Answer:

math thank you very much

6 0

3 years ago

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Suppose that the dollar cost of producing x appliances is c(x)=1000+ 90x- 0.2x 2

Aleksandr [31]

Answer:

Step-by-step explanation:

Given that the dollar cost of producing x appliances is

$c(x)=1000+ 90x- 0.2x^2$

A) Average cost can be obtained by dividing c(x) by units = x

i.e. average cost = $\frac{1000}{x} +90-0.2x$

B) Marginal cost = dC/dx = $90-0.4x$

When x=140 marginal cost $= 90-0.4(140)\\=34$

C) We calculate

c(140) = $=1000+90(140)-0.2(140^2)\\\\=9680$

c(141) = $=1000+90(141)-0.2(141^2)\\\\\\=9713.80$

Marginal cost = difference = 33.80

Same as 34 shown in marginal cost.

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3 years ago

0.4 has a mixed number

den301095 [7]

Answer:

2 1/2

Step-by-step explanation:

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3 years ago

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