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Gnom [1K]
3 years ago
11

On Thursday, a company received 10 boxes with 16 desk calendars

Mathematics
1 answer:
Jet001 [13]3 years ago
3 0

Answer:

340

Step-by-step explanation:

10 ×16=160

12×15=180

160+180=340 so a total of 340 calendars

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5. Use the points (4, 10.5) and (8,5.7) to estimate the slope of the line of best fit. Answer choices: 0 83 0.83 -1.2 1.2 1 7​
adelina 88 [10]

Answer:

Slope of the line is -1.2

Option B is correct option.

Step-by-step explanation:

We need to find slope of the line with given points (4, 10.5) and (8,5.7)

The formula used to calculate slope is: Slope=\frac{y_2-y_1}{x_2-x_1}

The points given are: (4, 10.5) and (8,5.7)

We have x_1=4,y_1= 10.5x_2=8,y_2=5.7

Putting values and finding slope

Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{5.7-10.5}{8-4}\\Slope=\frac{-4.8}{4}\\Slope=-1.2

So, Slope of the line is -1.2

Option B is correct option.

7 0
2 years ago
SOMEBODY PLS HELP ME <br> URGENT!!!!!!!!!!
sammy [17]
1. The dimensions of the tank should be 20 by 20 by 20. The hint is telling you that a tank that is 2 by 2 by 2 has a volume of 8, so, if you increase the size of the dimensions, you can reach 8,000 with the same digit of 2. Don't forget that the formula for the volume of a rectangular prism is lwh.

2. Since our aquarium is a square tank that is 20 by 20 by 20, each side on the top is 20 inches long. We have 4 sides, so the perimeter is 4 x 20, or 80. The perimeter of the top of our tank is 80 in². As for the base, we already know that each side is 20, so, in order to find the area of the base, we just multiply 20 x 20 to get 400. The area of the base of the tank is 400 in².

3. Another rectangular prism with a volume of 8,000 might have dimensions of 40 by 20 by 10. These, multiplied together, equal 8,000, using the formula for the volume of a rectangular prism.

To find the dimensions of the rectangular prism that equal 8,000, I mostly just use trial and error. It helps if you think about it as 8, as shown in the first problem, or if you list the factors of 8. For instance, for number 3, I just used the factors of 8 to find some possible dimensions.

8 - 1, 2, 4, 8
For number 3, I used the factors 1, 2, and 4. To change it from 8 to 8,000, I just changed 1 to 10, 2 to 20, and 4 to 40.

Hope this helps!
3 0
3 years ago
Area of triangle where A=50, b=31, c=18
Mrac [35]
Use Heron's Formula:
s means semi-perimeter = (50 + 31 + 18) / 2 = 99 / 2 =
49.5
area = sq root [(s * (s-a) * (s-b) * (s-c)]
area = sq root [(49.5 * (s-a) * (s-b) * (s-c)]

This will NOT form a triangle.  The longest side (50) is greater than the sum of the other 2 sides.

Source:
http://www.1728.org/trianinq.htm

 


5 0
3 years ago
A jar contains n nickels and d dimes there are 30 coins in the jar and the total value of the coins is $2.10 Set up and solve a
Gekata [30.6K]

Answer:

12 dimes and 18 nickels

Step-by-step explanation:

Equations given by word problem:

n + d = 30

0.05n + 0.1d= 2.10

How I solved them:

d= 30 - n

0.05n + 0.1(30 - n)= 2.10

0.05n + 3 - 0.1n= 2.10

-0.05n= -.09

Divide both sides by -0.05

n= 18

18 + d = 30

d= 12

8 0
3 years ago
Read 2 more answers
15. Ordered: gr. viiss<br> Label: 30% solution<br> How many ml do you use?
Shkiper50 [21]

Answer:

k

Step-by-step explanation:k

k

5 0
3 years ago
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