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serious [3.7K]
3 years ago
13

You purchase three $0.89 candy bars and you hand the cashier a $5 bill. You then tell them to keep the change as a top. What per

cent tip did you leave
Mathematics
1 answer:
Trava [24]3 years ago
3 0

Answer:

82.2%

Step-by-step explanation:

You gave them $4.11 extra and 4.11 of 5 is 82.2

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In ΔDEF, the measure of ∠F=90°, FE = 21, DF = 20, and ED = 29. What is the value of the cosine of ∠E to the nearest hundredth?
luda_lava [24]

Answer:

43.60°

Step-by-step explanation:

We can solve the triangle using the trigonometrical ratios which may be expressed in the form SOA CAH TOA Where,

Sin Ф = opposite side/hypotenuses side

Cosine Ф = adjacent side/hypotenuses side

Tangent Ф = opposite side/adjacent side

The hypotenuse is the side facing the right angle while the opposite is the side facing the given angle.

Considering triangle ΔDEF, where ∠F=90°, FE = 21, DF = 20, and ED = 29

As such, with respect to angle E, ED is the hypotenuse, DF is the opposite side and FE is the adjacent side

Cosine ∠E = 21/29

∠E = cos-1 0.724137931

∠E = 43.60° to the nearest hundredth

8 0
3 years ago
Read 2 more answers
Patti went to the bakery. She bought a loaf of bread for $3.49, 6 muffins that cost $1.25 each, and a bottle of juice for $1.79.
Maslowich

Answer:

7.22

Step-by-step explanation:

3.49+7.50+1.79= 12.78

20.00 -12.78=7.22

8 0
3 years ago
Help pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Zina [86]

Answer:

ur answer would be 64

Step-by-step explanation:

length is 32

width is 64

7 0
3 years ago
Read 2 more answers
How do you solve this step by step?
mestny [16]

Answer:

x = 9

Step-by-step explanation:

3x - 5x + 8x = 4x + 18

- 2x + 8x = 4x + 18

6x = 4x + 18

2x = 18

x = 9

8 0
3 years ago
How many rice balls can Justin make with 700700700 grams of rice?
user100 [1]

Answer:

im pretty sure its 777 hope this helped:)

4 0
3 years ago
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