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diamong [38]
2 years ago
5

Will give brainliest if fill out! Please!

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
7 0

Answer:

Step-by-step explanation:

never mind i figured it out...i think

           

1     1

2 . 9  6

-  0 . 7 5

----------------

  3 . 7 1

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1 hat cost $12
Ivan

Answer:

he bought 6 hats.

Step-by-step explanation:

im just gonna go through this 1 at a time. starting at 1.

12 + (14x9) = 138

(12x5)+(14x5) = 130

(12x4)+(14x6) = 132

(12x8)+(14x2) = 124

(12x6)+(14x4) = 128

6 0
3 years ago
Pls click on the photo and answer both questions<br> Pls Answer ASAP :-)
Papessa [141]

Answer: Answer to be MAY be 18, I don't know. Just a guess.

Step-by-step explanation

8 0
3 years ago
Plz help and show work
scoundrel [369]

Answer:  If the 40% off coupon is used, the subtotal will be $12.69

The gratuity would be exactly $4.23   (He will probably leave $4.25)

Step-by-step explanation: To find out the amount  of the discount

.40 × 21.15 = 8.46

To find the new subtotal, subtract  12.15 - 8.46 = 12.69

To figure the tip:  .20 × 21.15 = 4.23

Changing the percent to a decimal means divide the 20 by 100.

8 0
3 years ago
6<br> What is the surface area?<br> 26 yd<br> 26 yd<br> 24 yd<br> 33 yd<br> 20 yd<br> square yards
CaHeK987 [17]

Answer:

26 yards = 78 ft square

78 × 78 = 6084 foot of surface area

Step-by-step explanation:

I think this is correct. Multiply 26y× 3 ft = (78)^2

4 0
3 years ago
A plane is traveling 600 miles. It takes the plane 5 hours against the wind and 4 hours with the wind. What is the speed of the
madam [21]

Answer: the speed of the plane in still air is 135 miles per hour

the speed of the wind is 15 miles per hour

Step-by-step explanation:

Let x represent the speed of the plane in still air

Let y represent the speed of the wind.

The distance travelled by the plane is 600 miles.

Distance travelled = speed × time

It takes the plane 5 hours against the wind. This means that the total speed is (x-y) miles per hour. Therefore,

600 = 5(x- y) = 5x - 5y - - - - - - - 1

It takes the plane 4 hours with the wind. This means that the total speed is (x+y) miles per hour. Therefore,

600 = 4(x+ y) = 4x + 4y - - - - - - - - 2

Multiplying equation 1 by 4 and equation 2 by 5, it becomes

2400 = 20x - 20y

3000 = 20x + 20y

Adding both equations

5400 = 40x

x = 5400/40 = 135

Substituting x = 135 into equation 1, it becomes

4 × 135 + 4y = 600

540 + 4y = 600

4y = 600 - 540 = 60

y = 60/4 = 15

6 0
3 years ago
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