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3 years ago

15

What is the 4 math methods

1 answer:

erastovalidia [21]3 years ago

5 0

The Four basic Mathematical Operations are:
•Addition
•Subtraction
•Multiplication
•Division

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Jason and Doug competed in the long jump at a track meet. Jason's long jump was 98 inches. Doug's long jump was 3 yards. How muc

vlada-n [284]

One foot is 12 inches, multiply that by 3 and you have 1 yard.
To get one yard to 3 yards ad 36+36+36 or 36 X 3

3 yards is 108.

Drugs jump was 3 yards.

3 yards = 108
3 yards = Doug's jump
Doug's jump = 108

108- 98 = 10

Doug's jump was 10 inches longer

5 0

4 years ago

Which fraction is in simplest form?<br><br> A) 6/8<br> B) 7/12<br> C) 5/9<br> D) 3/51

andreyandreev [35.5K]

I believe C. 5/9 is correct

4 0

3 years ago

Read 2 more answers

What are the roots of the quadratic equation below 2x^2-5x-1=0

PilotLPTM [1.2K]

Answer:

roots=(5±sqrt(33))/4

Step-by-step explanation:

roots=(-b±sqrt(b^2-4ac))/2a

roots=(-(-5)±sqrt(25+8))/(2*2)

roots=(5±sqrt(33))/4

roots=(5+sqrt(33))/4 and (5-sqrt(33))/4

7 0

3 years ago

Find the volume of a pyramid with a square base, where the side length of the base is

valina [46]

Answer:

Volume = 1114.1 $in^3$

Step-by-step explanation:

Recall that the formula for the volume of a pyramid is given by:

$Volume=\frac{1}{3} \,B\,*\,H$

where B is the area of the pyramid's base (in our case a square of side 12,8 in), and H the pyramid's height (in our case 20.4 in).

Then the square base of the pyramid has an area given by: $(12.8\,\,in)^2=163.84\,\,in^2$

Finally,we can now write the volume of the pyramid as:

$Volume=\frac{1}{3} \,B\,*\,H\\Volume=\frac{1}{3} \,(163.84)\,*\,20.4\,\,in^3\\Volume=1114.112\,\,in^3$

Rounding the answer to a tenth of a cubic inch, we get:

Volume = 1114.1 $in^3$

7 0

3 years ago

the amount of sales tax on a clothing purchase is directly proportional to the purchase price of the clothing. the sale tax on a

salantis [7]

9514 1404 393

Answer:

7%

Step-by-step explanation:

The tax rate is the ratio of tax to pre-tax cost:

$4.20/$60.00 = 0.07 = 7%

The constant of variation (tax rate) is 7%.

6 0

3 years ago