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nydimaria [60]
3 years ago
7

Eight times the sum of a number and six

Mathematics
1 answer:
user100 [1]3 years ago
3 0

Answer:

There is any answer as you choose.

Step-by-step explanation:

There is no equal to so you can choose any number.

You might be interested in
A. A car is marked down by 20%. It normally sells for $20,000. What is the sale
Novay_Z [31]

Answer:

A=16000  B=16400

Step-by-step explanation:

1.  You multiply 20,000 by .2 or 20%, because you are trying to find a part of the 20,000.

2. You get 4,000 dollars, that is 20% of 20,000. To find the sale price, you take the 20% away from 20,000, which would be 16,000 dollars. That would be your answer for the first part.

3. the sales tax is 2.5% of the sale price. Again, you multiply 16,000 dollars, your sales price, by .025 or 2.5%.

4. you would get 400 dollars. You add the 2.5% or 400 dollars because you have to pay the tax as well as the price. You would get 16,400 dollars.

6 0
3 years ago
a painter painted 3/5 of a portrait in 20 minutes. If she continues working at the same rate, how many portraits will she paint
mr Goodwill [35]

Answer:

one and four fifths 1 4/5-

Step-by-step explanation:

3 0
3 years ago
John has 9 different flags that he wants to hang on the wall. How many different ways can the flags be arranged in a row?
Masteriza [31]

Answer:

answer is 362,880

Step-by-step explanation:

9!= 9×8×7×6×5×4×3×2×1=362,880

4 0
3 years ago
Read 2 more answers
The population of a city increases by 3.7% per year. If this year's population is 206,000, what will next year's population be,
Annette [7]

Answer:

206,762

Step-by-step explanation:

206,000 * 0.037 = 762.2

762.2 + 206,000 = 206,762.2, rounded to 206762

3 0
3 years ago
Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f
BabaBlast [244]

Answer:

153 times

Step-by-step explanation:

We have to flip the coin in order to obtain a 95.8% confidence interval of width of at most .14

Width = 0.14

ME = \frac{width}{2}

ME = \frac{0.14}{2}

ME = 0.07

ME\geq z \times \sqrt{\frac{\widecap{p}(1-\widecap{p})}{n}}

use p = 0.5

z at 95.8% is 1.727(using calculator)

0.07 \geq 1.727 \times \sqrt{\frac{0.5(1-0.5)}{n}}

\frac{0.07}{1.727}\geq sqrt{\frac{0.5(1-0.5)}{n}}

(\frac{0.07}{1.727})^2 \geq \frac{0.5(1-0.5)}{n}

n \geq \frac{0.5(1-0.5)}{(\frac{0.07}{1.727})^2}

n \geq 152.169

So, Option B is true

Hence  we have to flip 153 times the coin in order to obtain a 95.8% confidence interval of width of at most .14 for the probability of flipping a head

6 0
2 years ago
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