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True [87]
3 years ago
11

natalie was out at a restaurant for dinner when the bill came. her dinner came to $29. after tipping in a tip, before tax, she p

aid $34.22. find the percent tip
Mathematics
1 answer:
Free_Kalibri [48]3 years ago
3 0

Answer:

%18 tip

Step-by-step explanation:

The dinner cost was $29 before tip

after tip it was $32.22

34.22-29= $5.22  she tipped

$29 * %x = $5.22

After solving this equation, the x is %18

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La presa de Hidroituango tiene una altura de 225 m., alberga 20 millones de m^3 de volumen y una cresta de 550 metros de longitu
bija089 [108]

Answer:

El ancho de la superficie = 444,44 my el largo = 200 m

La superficie de la superficie de la presa = 88888,89 m²

Step-by-step explanation:

Los parámetros dados son;

La altura del agua en la presa = 225 m

El volumen de agua en la presa, d = 20 millones de m³

La longitud de la base = 200 m

Sea el ancho de la presa = x

El volumen viene dado por la relación;

200 × 225 × x = 20 millones de m³

x = 20.000.000 / (200 × 225) = 444,44 m

Por tanto, las dimensiones de la superficie son ancho = 444,44 my largo = 200 m

El área de superficie de la superficie de la presa = 444.44 × 200 = 88888.89 m².

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3 years ago
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Answer:

189 students have an email account.

Step-by-step explanation:

315 divided by 5 is 63, multiply that by three.

4 0
3 years ago
Please help I'm so confused
arlik [135]

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6 0
3 years ago
Angela uses 2/3 cups of strawberries to make 5/6 of a liter of smoothie. What is the unit rate in cups of strawberries per liter
Leviafan [203]

5/6 litre of Smoothie = 2/3 cups of smoothie

Divide both sides by 5/6

So 1 litre of smoothie = 2/3 ÷ 5/6 cup of smoothies

= 2/3 × 6/5 cup of smoothies

= 4/5 cup of smoothies

6 0
3 years ago
Four pounds of apples cost $5. Eight pounds of apples cost $10. If the total cost of apples, y, varies directly with the number
Lesechka [4]

Cost of apples, y, varies directly with pounds

of apples purchased, x.

y = kx

k is constant of proportion

Four pounds of apples cost $5

5 = 4k

k = 5/4 = 1.25

10 = 8k

k = 10/8 = 1.25

As it should be, k is a constant equal to 1.25

y = 6(1.25) = $7.50 for 6 pounds of apples

8 0
3 years ago
Read 2 more answers
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