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2 years ago

An eye doctor charges an exam fee, plus a charge for the number of boxes of contact lenses purchased.

Mathematics

1 answer:

LiRa [457]2 years ago

5 0

Answer:

to get the exam fee

$112•97 ÷ 2

45•49

$272•93 ÷ 3

56•49

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If f(x) = 3x - 1 and g(x) = x + 2, find (f - g)(x).

Marina86 [1]

Answer:

$\boxed{\sf (f - g)(x) = 2x - 3}$

Given:

f(x) = 3x - 1

g(x) = x + 2

To Find:

(f - g)(x)

Step-by-step explanation:

$\sf (f -g)(x) = f(x) - g(x) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =(3x - 1) - (x + 2) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =3x - 1 - x - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =3x - x - 1 - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =(3x - x) - (1 + 2) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =2x - (1 + 2) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =2x - 3$

6 0

3 years ago

A candy store is making a mixture of chocolate-coated almonds and chocolate-coated raisins. The

adell [148]

Answer:

Almond , raisins:

(1, 15)

(3, 7.5)

(5, 0)

Step-by-step explanation:

x: almond

y: raisin

30x + 8y = 150

x = 1, y = 15

x = 3 y = 7.5

x = 5, y = 0

3 0

3 years ago

If b = 7 and A = 80 degrees,<br> find c.

bixtya [17]

Answer:

Step-by-step explanation:

7/sin10=c

c=40.31

6 0

3 years ago

ABCD is a rectangle. If AC = 2x + 10 and BD = 56, find the value of x.

TEA [102]

9514 1404 393

Answer:

(b) 23

Step-by-step explanation:

The diagonals of a rectangle are the same length, so ...

AC = BD

2x +10 = 56

x +5 = 28 . . . . . divide by 2

x = 23 . . . . . . . . subtract 5

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3 years ago

The ratio is 5:3 there is 20 girls and 16 boys if three girls are absent what would the ratio be

Leokris [45]

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2 years ago

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