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3 years ago

1: The local street cart sells bacon egg and cheese sandwiches for $2.50,

Mathematics

1 answer:

myrzilka [38]3 years ago

6 0

Answer:

213 sandwiches

534 soft drinks

Step-by-step explanation:

system of equations, if you want better explanation, hmu in the comments.

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F(x) = 3(х + 2) f(-3) = о аз Oь -7 Ос 7 W

choli [55]

Answer:

The value of f(-3) = -3

Step-by-step explanation:

It is given that f(x) = 3(x+2), in order to find f(-3), we have to substitute x = -3 into the function, f(x) :

f(x) = 3(x+2)

f(-3) = 3(-3+2)

= 3(-1)

= -3

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3 years ago

Solve for x. x= In e x=

IgorLugansk [536]

Good morning ☕️

Answer:

x = 1

Step-by-step explanation:

since the function ln is the inverse of the function exponential then :

$ln(e )=lne^{1} = 1$

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3 years ago

A store owner buys a case of 144 pens for $28.80. He sells the pens for $0.40 each. The owner claims that they marked the pens u

stellarik [79]

Answer: $0.3

Step-by-step explanation:

Given

The owner buys 144 pens for $28.80 i.e. each pen costs

$\dfrac{28.80}{144}=\$0.2$

owner sells the pen at $0.4 i.e. price marked up by

$\Rightarrow \dfrac{0.4-0.2}{0.2}\times 100=100\%$

So, the claim of the owner is incorrect

The actual increase in the price to get 50% markup

$\Rightarrow 0.2\times (1+0.5)=\$0.3$

6 0

3 years ago

-9f +19-1 + f) 12-=8f is this the answer?

jeka94

Hi!

-9f + 19 - 1 + f is actually -8f + 18.

To do this we add like terms, -9f and f; and 19 and -1

-9f + f is -8f

19 - 1 is 18

Therefore your answer is -8f + 18

7 0

2 years ago

Two friends, Ellie and Easton, took summer jobs. The equation y = 19.2x represents Ellie's earnings in dollars and cents, y, for

skad [1K]

Answer:

I don't know what's I don't know I'm really sorry very very very very very very very very very very very very sorry very sorry

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3 years ago