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erma4kov [3.2K]
2 years ago
14

Help please

Mathematics
1 answer:
madreJ [45]2 years ago
3 0

Answer:

90$ x 5.8 = $5.22

90.00 x 0.058 = $5.22

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Suppose that the world's current oil reserves is
SOVA2 [1]

Answer:

  A)  R = 1900 -24t

  B)  1684 billion barrels

  C) 79.17 years

Step-by-step explanation:

<h3>A)</h3>

Reserves start at 1900 billion barrels and decrease by 24 billion barrels each year. The value for t=0 is 1900; the value for t=1 is 24 less.

  R = 1900 -24t

__

<h3>B)</h3>

For t=9, the reserves will be ...

  R = 1900 -24(9) = 1900 -216 = 1684 . . . . billion barrels

__

<h3>C)</h3>

The reserve will be 0 when ...

  0 = 1900 -24t

  24t = 1900 . . . . . add 24t

  t ≈ 79.17 . . . . divide by 24

Reserves will be gone in about 79.17 years.

5 0
2 years ago
Gary brings a 64 ounce water jug to baseball practice everyday Gary drinks 47 ounces of water himself if he were to choose to al
jok3333 [9.3K]

Answer:

94

Step-by-step explanation:

Gary=47 ounce

friend =47 ounce

47 ounce +47 ounce =94 ounce

4 0
3 years ago
OOOF didn't think i would have to come here two times in a row .....<br> PLease help if you can.
ozzi

Answer:

-8 square root 2

Step-by-step explanation:

3 0
3 years ago
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V14 is between which two intergers
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v14

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3 years ago
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Triangle PQR has sides measuring 9 feet and 10 feet and a perimeter of 24 feet. What is the area of triangle PQR? Round to the n
gregori [183]

Answer: 22 square feet

Step-by-step explanation:

Using Heon's formula, the are can be found with:

= \sqrt{s(s - a)(s - b)(s - c)}

Where s is half the perimeter

a, b and c are sides

Perimeter = a + b +c

24 = 9 + 10 + c

c = 24 - 9 - 10

c = 5 feet

s = 24 / 2 = 12

Area

= \sqrt{s(s - a)(s - b)(s - c)}\\\\= \sqrt{12(12 - 9)(12 - 10)(12 - 5)}\\\\=  \sqrt{12 * 3 * 2 * 7}\\\\\\= \sqrt{504} \\\\

= 22 ft²

8 0
3 years ago
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