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Cloud [144]
3 years ago
11

The dinner check was $78.00.If Erin leaves a 20% tip, howmuch will the tip be?​

Mathematics
2 answers:
jenyasd209 [6]3 years ago
8 0

Answer:

Step-by-step explanation:

Just calculate 20% of 78.00 or 78.00x0.20=$15.6

almond37 [142]3 years ago
5 0
15.6, calculate 20 percent off $78
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Simplify, will give brainliest plus 50 points
Lelu [443]

Answer:

20. = 5(ab)^4 / 9mc^7

24. = 9c^4

Step-by-step explanation:

5 0
2 years ago
Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10
Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with \mu=106 and \sigma=15.

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

4 0
2 years ago
PLEASE HELP!!! THANKS!! BRAINIEST OFFERED!!!
kotykmax [81]

Answer:

d

Step-by-step explanation:

you cannot have two x values in a function

3 0
2 years ago
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I will mark either the best or the first answer.<br> Btw, please don't answer with nonsense.
boyakko [2]

Answer:

6.8, 26.2, -7.8, -10.2, 2.6, -12.9

Step-by-step explanation:

20. is 6.78232 Rounded answer is 6.8

21. 26.172504657 rounded to the nearest tenth is 26.2

22. is -7.8102496759 rounded to the nearest tenth is -7.8

23. -10.246950766 rounded to the nearest tenth is -10.2

24. is 2.5980762114 rounded to the nearest tenth is 2.6

25. -12.942179106 rounded to nearest tenth is -12.9

7 0
2 years ago
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Alchen [17]

Answer:

The amount driven would be 275, and the cost for both plans will be 77.75$

Step-by-step explanation:

make both equations

y=0.09x+53

y=0.13x+42

set them equal to each other and solve for x to get the distance

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