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3 years ago

ANYWAYS next one qwq I’m already loosing hope and self esteem

Mathematics

2 answers:

AnnZ [28]3 years ago

5 0

Answer:

4.18

Step-by-step explanation:

Montano1993 [528]3 years ago

3 0

Answer:

The tip would be $4.18.

Step-by-step explanation:

Ok, 20 percent is basically 0.2 becuase percent is out of a hundred So 20/100 or in fraction form is 0.2 You can get the deciaml by putting down the original number (20) and move the decimal place 2 times to the left.

Now you got your decimal, multiply it by the amount given which in this case is 20.89.

Multiply the two numbers and you’ll get 4.178

rounded to the nearest dollar would be 4.18

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Dave and Sandy Hartranft are frequent flyers with a particular airline. They often fly from City A to City B, a distance of 756

horsena [70]

Answer:

Plane = 441 mi/h; wind = 63 mi/h

Step-by-step explanation:

distance = rate × time

Let p = the plane's speed in still air

and w = the wind speed . Then,

p + w = speed with wind

p - w = speed against wind

We have two conditions:

(1) 756 = (p - w) × 2

(2) 756 = (p + w) × 1.5

Distribute the constants (3) 756 = 2p - 2w

(4) 756 = 1.5p + 1.5 w

Multiply Equation (3) by 3 (5) 2268 = 6p - 6w

Multiply Equation (4) by 4 (6) 3024 = 6p + 6w

Add Equations (5) and (6) 5292 = 12p

Divide each side by 12 (7) p = 441 mi/h

Substitute (7) into Equation(3) 756 = 882 - 2w

Add 2w to each side 2w + 756 = 882

Subtract 756 from each side 2w = 126

Divide each side by 2 w = 63 mph

The plane's speed in still air is 441 mi/h.

The wind speed is 63 mph.

Check:

(1) 756 = (441 - 63) × 2 (2) 756 = (441 + 63) × 1.5

756 = 378 × 2 756 = 504 × 1.5

756 = 756 756 = 756

8 0

3 years ago

Cory has 20 crayons. He wants to give the same number of crayons to each of his friend. Write 2 different questions about Cory'

SpyIntel [72]

Answer:

Step-by-step explanation: how many frenis are there?

8 0

3 years ago

HELP FAST HURRY FAST PLZ

Leviafan [203]

Answer:

cant rlly read the question

Step-by-step explanation:

4 0

3 years ago

Use your choice of equal values, substitution, or elimination to solve the

Blizzard [7]

Answer:

For this scenario, I used the elimination method. Organize the equations, so it's easier to subtract from each other. My x-variable will represent the number of hot dogs and my y-variable will represent the number of sodas.

3x+2y=213

x + y =87

We need to make sure one of the monomials are alike in each equation, so we can eliminate a variable. Distribute 3 to each number/variable in the second equation.

3x+2y=213

3(x+y=87) --> 3x+3y=261

Now we can eliminate x.

3x+2y=213

- 3x+3y=261

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

-y=-48

Divide -1 to both sides to get y=48. So, you sold 48 cans of soda. Now, we can find the number of hot dogs by substituting 48 into the second equation to get x+48=87. Subtract 48 to both sides to result with x=39. So, you sold 39 hot dogs.

7 0

2 years ago

Please help me? -4(7+2x)=-7x-33

Mademuasel [1]

Answer:x=5

Step-by-step explanation:

First we do the parenthesis

-4(7+2x)=-7x-33

To get

-28+-8x=7x+-33

and

-8x-28=-7x-33

Then we Add 7x to both sides.

-8x-28+7x=-7-33+7x

-x-28=-33

Then we Add 28 to both sides.

-x-28+28=-33+28

-x=-5

Lastly Divide both sides by -1.

-x/-1=-5/-1

X=5

6 0

3 years ago

Read 2 more answers