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3 years ago

5

a cost of a pen is unknown the cost of the notebook is 30 cents more than the pen mary brought 8 pens and 5 notebooks and spend

8 dollars calculate the cost of the pen and the notebook

1 answer:

Cloud [144]3 years ago

7 0

The answer is 30 cents

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NNADVOKAT [17]

1.) 9(4) + 8(5)

36 + 40 = 74

2.) 2(3) + 8(3)

6 + 24 = 30

3.) 4(5) + 7(5)

20 + 35 = 55

4.) 10(4) + 18(5)

40 + 90 = 130

5.) 2 + 8(1/4)

2 + 2 = 4

6.) 9(1/3) + 8(1/4)

3 + 2 = 5

7.) 3(8) + 7(4)

24 + 28 = 52

8.) 12(1/4) + 16(5)

4 + 80 = 84

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3 years ago

Help (look at picture)

mote1985 [20]

Answer:

x is greater than or equal to -5 (the second graph)

Step-by-step explanation:

-5c+2<=27

-5x<=25

x>=-5

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3 years ago

What is the measure of angle x°<br><br> 90°<br> 30°<br> 60°<br> 180°

forsale [732]

Answer:

it is 30°

Step-by-step explanation:

it is 30° because it is smaller that the it is 60° but bigger then the it is 90°(right angle)

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3 years ago

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The height (h) of a fireball launched from a Roman candle with an initial velocity of 64 feet per second is given by the equatio

Zigmanuir [339]

Answer: C or 2 seconds.

Step-by-step explanation:

To find the vertex in a standard form equation: (-b/2a,f(-b/2a))

plug it in: -64/2*-32 = 2

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4 years ago

a triangular prism has an equilateral base with each side of the triangle measuring 8.4 centimeters The height of the prism is 1

Andrew [12]

The correct answer is:

D. 20.4 cm - 16.8 cm (attached)

The triangular prism is similar to the described prism.

$|Huntrw6|$

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