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sergejj [24]
2 years ago
15

At the market, a pear costs b cents and an apple costs 7 cents

Mathematics
1 answer:
horsena [70]2 years ago
8 0

Answer:

Randy has to pay \mathbf{5b-7}

Step-by-step explanation:

Cost of pear = b

Cost of apple =b-7

Randy buys pears = 4

Apple = 1

We need to find cost in terms of b

So, the equation will be:

4b+1(b-7)\\4b+b-7\\5b-7

So, Randy has to pay \mathbf{5b-7}

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The table below shows the temperature in degrees for eight consecutive days as well as the respective number of ice cream cones
cricket20 [7]

Answer:

We have to find the equation of least squares regression line in order to find the number of ice cream cones that the shopkeeper to sell if the temperature is 106 degrees. We can use excel regression data analysis tool to find the equation of the regression line. The excel output is attached here.

The equation of the least squares regression line is:

\hat{y}=46.587+5.080x

Now, if the temperature is 106 degrees, then the number of cones expected to be sold is given below:

\hat{y}=46.587+5.080 \times 106

         =585.1 \approx 585

Therefore, the number of ice cream cones that the shopkeeper would expect to sell if the temperature is 106 degrees is 585.



6 0
3 years ago
The club buys shirts in bulk for 8 each. they mark up the shirts 75% to sell in the school store. At the end of the year, At the
Nitella [24]

The amount of profit the spirit club make on each shirt sold at the end of the year is = $2

<h3>Calculation of profit</h3>

The quantity of shirt bought by the club = $8 per shirt

At the end of the year they sold the shirts at discount of %25 each.

That is 25/100 × 8

= 200/100

= $2

Therefore, they made profit of $2 for each shirt they sold at the end of the year.

Learn more about profit here:

brainly.com/question/19104371

#SPJ1

4 0
2 years ago
Please help on this equation: 7s+20=4s-13. and please if you can, show your work. Thank You!
jonny [76]
7s + 20 = 4s -13
7s - 4s = -13 -20
3s = -33
s = -33/3
s = -11
6 0
2 years ago
What the milk and and butter ​
igor_vitrenko [27]

Answer:

1/4 cups of milk and 1 1/3 Tbsp of butter.

Step-by-step explanation:

Milk : 3/4 multiplied by 1/3 = 3/12 = 1/4
Butter : 4 multiplied by 1/3 = 4/3 = 1 1/3

7 0
2 years ago
6.39E-26 in scientific notation please help
iris [78.8K]
6.39 * 10^-26
I believe that’s the answer
6 0
2 years ago
Read 2 more answers
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