Who invented division?

Answers

Answer 1

Answer: the ancient egyptians

Answer 2

Answer: John Napier is said to have invented the mathematical function know as division. His calculation were further developed by Henry Briggs.

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The exact value of tan 5pi/12 is?

2. There are 3 apples and 5 oranges in a bag. Determine the probability of selecting anorange, then an apple when they are chosen at random without replacement.

Answers

Because of their consistency? That’s the only thing that came to my mind

Amaya ran for president of chess club, and she received 18 by this. There were 30 members in the club. What percentage of the club members voted for Mýa HELP PLEASE

Answers

60%.
18/30 =3/5 =60/100 =60%

The ratio of money in Terry's bank account to Faye's bank account was 3:5.Terry then put £220 in his account and Faye withdrew £300 from her account.
They now had the same amount in their accounts.
How much did they initially have altogether?

Answers

Answer:

£780 and £1300

Step-by-step explanation:

The ratio in their accounts is 3 : 5 = 3x : 5x ( x is a multiplier )

Terry put £220 into his account, then 3x + 220

Faye withdrew £300 from her account then 5x - 300

They now have the same amounts in their accounts, thus

5x - 300 = 3x + 220 ( subtract 3x from both sides )

2x - 300 = 220 ( add 300 to both sides )

2x = 520 ( divide both sides by 2 )

x = 260

Thus initial amount in their accounts

3 × £260 = £780 ← Terry's account

5 × £260 = £1300 ← Faye's account

Divide and simplify
4/9÷8/15

Answers

$\boxed{(4)/(9):(8)/(15)=(4)/(9).(15)/(8)=(5)/(6)}$

(Simplifing 4 with 8 and 15 with 9)

4/9 divided by 8/15
4/9[15/8]
60/72
=30/36
=15/18
=5/6

If 9 is subtracted from two-thirds of a number, the result is 7. find the number. the number is 3 the number is 10.67 the number is 24

Answers

2x/3 - 9 = 7

2x/3 = 16

2x = 48

x = 24

The Golden Gate, located in San Francisco, California , is the tallest bridge in the world, with its tower extending 746 feet above the water and the floor of the bridge extending 220 feet above water. Notice that the supporting cables of the Golden Gate Bridge approximate the shape of a parabola. This parabola can be modeled by the quadratic function y = 0.00012x2 + 6, where x represents the distance form the axis of symmetry and y represents the height of the cables. The related quadratic equation is 0.00012x2 +6 = 0. Calculate the value of the discriminant

Answers

The choices possible are:
a. -0.00056
b. -0.00288
c. -0.00126
d. -0.00078

The discriminant formula for a quadratic function is: ax^2+bx+c,b^2−4ac, where a=0.00012, b=0, and c=6

Substituting these values and solving the given discriminant formula, the value of the discriminant is therefore B. -0.00288.

The general form of a quadratic function is:

ax^2+bx+c,

and the discriminant formula is expressed as:

b^2−4ac,

where for this equation the values of the coefficients are:

a=0.00012, b=0, and c=6

Substituting these values to the discriminant formula will yield to a value of -0.00288.

Other Questions

HELP! I need 2 problems for this question!Q: In this unit you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.

If lines l and m are parallel, then 2 and 3 are corresponding angles.True or false

Plz help .......................

Marking as Brainiest!!!!!