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aliya0001 [1]
3 years ago
14

Find the total deposit $286.04 + $518.91 + 1790.80 - $250.00

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

2345.75

Step-by-step explanation:

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Determine which of the following logarithms is expanded correctly.
ziro4ka [17]

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A) log(jk2y = 7log i + 2logk

Step-by-step explanation:

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Heather buys a dog bowl priced at $8. If the sales tax is 10%, how much tax will Heather<br> pay?
Fantom [35]

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I think the answer is 2 dollars

Step-by-step explanation:

4 0
3 years ago
What is 2×3(10)^-5 in standard form
Sindrei [870]
2×3(10)^{-5}=6×(10)^-5=\frac{6}{10^5} =0.00006
5 0
3 years ago
What is y=1/2x+4 in standard form?
zhuklara [117]
<h3>Answer:  x-2y = -8</h3>

===========================================

Explanation:

Multiply both sides by 2 to clear out the fraction

y = (1/2)x+4

2y = 2[ (1/2)x + 4 ]

2y = 2*(1/2)x + 2*4

2y = x + 8

Then move the x term over to the left side

2y = x+8

2y-x = 8

-x+2y = 8

Optionally we can multiply both sides by -1

-x+2y = 8

-1*(-x+2y) = -1*8

x-2y = -8

This is in standard form Ax+By = C with A = 1, B = -2, C = -8

The reason why I multiplied both sides by -1 was to make A > 0 which is what some textbooks use as convention. Of course -x+2y = 8 is equally valid too.

8 0
3 years ago
(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate
Anon25 [30]

Answer:

The margin of error (E)  =0.49

Step-by-step explanation:

Given,

 mean \bar{x}=6.88

 standard deviation \sigma=1.90

 sample size n=41

90\% \quad \text{confidence interval}

Critical value =\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]  

                                                =1-0.90

                                        \Rightarrow \alpha=0.1

Critical value =\frac{z_{0.1}}{2}

                      =z_{0.05}

                      =1.645

The margin of error (E)  =\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }

                                       =1.645\times\frac{1.90}{\sqrt{41} }

                                       =0.49

Hence, The margin of error (E) =0.49

Complete question is attached in below.

                     

7 0
3 years ago
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