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Mekhanik [1.2K]
3 years ago
9

I WILL GIVE A CROWN JUST NEED HELP ASAP

Mathematics
1 answer:
pav-90 [236]3 years ago
3 0

Answer:

$720

Step-by-step explanation:

First tutor = 30 x 10 = $300

Second tutor = 30 x 14 = $420

Total = 420 + 300 = $720

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By calculating monthly incom and debt the 2nd one

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Aaron has $25 to spend at the carnival. Admission is $4.00 and the ride tickets are $1.25 each. What is the maximum number of ri
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A paper company needs to ship paper to a large printing business. The paper will be
Kryger [21]

Answer:

x = 8

y = 11

Step-by-step explanation:

Total small box weight  = 50x    [x being the number of small boxes]

Total large box weight = 80y     [y being the number of large boxes]      

Total boxes = x+y = 19

Total weight = 1280

<em>Determine x and y.</em>

<u>You know 2 equations. One for weight and another for number of boxes each.</u>

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  • x+y = 19

<u>Rewrite second equation:</u>

x+y=19

y=19-x

<u>You have to plug in one into another.</u>

1280 = 50x + 80(19-x)

<u>Solve for x</u>

1280 = 50x + 1520 - 80x

-240 = -30x

x = 8

<u>Solve for y by plugging in x into one of the equations:</u>

8+y = 19

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5 0
2 years ago
Juan owns 7 pairs of pants, 3 shirts, 5 ties, and 6 jackets. How many different outfits can he wear to school if he must wear on
ZanzabumX [31]

To solve this problem, just use multiplication.

7\text{ pairs of pants}*3\text{ shirts}*5\text{ ties}*6\text{ jackets}=\large\boxed{630\text{ outfits}}

You can somewhat think of this situation as a sort of tree. You start with 7 large branches representing the pants, then for every one of those you have 3 medium-sized branches to represent the pairs of pants. Each one of those has 5 sticks for the ties, which in turn each have 6 leaves to represent the jackets and therefore a complete outfit. The solution is found by getting the total number of leaves on the tree.

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2 years ago
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.

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