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Alexxx [7]
3 years ago
12

At a restaurant, the bill comes to $62. If you decide to leave a 15% tip, how much total do you need to pay? Give your answer to

the nearest dollar.
Mathematics
2 answers:
KonstantinChe [14]3 years ago
6 0

Answer:

$71

Step-by-step explanation:

0.15x$62.00=$9.30

$62+$9=  $71

I hope this helps you, have a great day. And good luck!

STatiana [176]3 years ago
4 0

Answer:

$71

Step-by-step explanation:

First you multiply 62×0.15 to get the amount of tip which is 9.3

Next add together 9.3 and 62 to get the total bill which is 71.3

Finally round to the nearest dollar which is $71

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Please Help ASAP with Math
vampirchik [111]

Answer:

5.33

Step-by-step explanation:

move the 4 out of the summation because  just a constant multiplier

4 *sum from 1 to 10 for (1/4)^(n-1)   [sorry i don't know how to write sums using latex)

The formula for the geometric sum is :

First term*(1-multiplier^n)/(1-multiplier), formally \frac{a_1(1-r^n)}{1-r}

Here multiplier is 1/4

First term is (1/4)^(1-1) = 1

Thus the value of sum is 1*(1-(1/4)^1^0)/(1-1/4)which equals (1- (1/4)^1^0)*4/3

We factored out 4 so its 4*(1-(1/4)^1^0)*4/3 which is 16/3 * (1- (1/4)^1^0)

This equals 5.333328247 which is 5.33 to the nearest hundredth

5 0
2 years ago
1. 1.4(x−1.6)=1.6(x−1.4)<br><br>solve<br>2. 1.4(x−1.6)=1.6(1.4−x)<br><br>solve
Bezzdna [24]
1.
1.4( x - 1.6) = 1.6(x - 1.4) \\ 1.4x - 2 .24 = 1.6x - 2.24 \\ 0.2x = 0 \\ x =  0
2.
1.4( x - 1.6) = 1.6(1.4 - x) \\ 1.4x - 2 .24 = 2.24 - 1.6x \\ 3x = 4.48 \\ x =  1.4933333


5 0
3 years ago
(5x+30)=7x ??<br> Can anyone help me
Eddi Din [679]

Answer:

the answer is x=15.....

5 0
2 years ago
Read 2 more answers
What is the value of ( h o k ) (2)<br><br>a -5<br><br>b 1<br><br>c -2<br><br>d -3
Bond [772]

Answer:

-3

Step-by-step explanation:

h(k(2)) = h(k(x=2)) = h(-2) = h(x= -2)= 3/( -2+1) = 3/-1= -3

sorry if I'm wrong.

3 0
2 years ago
The town of Hayward (CA) has about 50,000 registered voters. A political research firm takes a simple random sample of 500 of th
Ilia_Sergeevich [38]

Answer:

(0.0757;0.1403)

Step-by-step explanation:

1) Data given and notation

Republicans =115

Democrats=331

Independents=54

Total= n= 115+331+54=500

\hat p_{ind}=\frac{54}{500}=0.108

Confidence=0.98=98%

2) Formula to use

The population proportion have the following distribution

\hat p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

The confidence interval for the population proportion is given by this formula

\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

We have the proportion of independents calculated

\hat p_{ind}=\frac{54}{500}=0.108

We can calculate \alpha=1-conf=1-0.98=0.02

And we can find \alpha/2 =0.02/2=0.01, with this value we can find the critical value z_{\alpha/2} using the normal distribution table, excel or a calculator.

On this case z_{\alpha/2}=2.326

3) Calculating the interval

And now we can calculate the interval:

0.108 - 2.326\sqrt{\frac{0.108(1-0.108)}{500}}=0.0757

0.108 + 2.326\sqrt{\frac{0.108(1-0.108)}{500}}=0.1403

So the 98% confidence interval for this case would be:

(0.0757;0.1403)

7 0
2 years ago
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