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NARA [144]
3 years ago
12

For my problem I must know the percent increase for;

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0
I think that u would have to take 14 from 13 and divide that by 2 (I THINK) i am not fully sure though
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The ratio of martas hourly pay to khalids hourly pay is 6:5
Talja [164]

The hourly pay before the increase for marta and khalid is 21 and 17.5.

Given:

the ratio of martas hourly pay to khalids hourly pay is 6:5 both marta and Khalid get an increase of 1.50 in their hourly pay The ratio of Martas hourly pay to Khalid hourly pay after this increase is 13:11

Let x and y be the hourly pay before increase

x/y = 6/5

x = 6/5*y

x + 1.50 / y + 1.50 = 13/11

11(x+1.50) = 13(y+1.50)

11x + 16.5 = 13y + 19.5

11(6/5*y) = 13y + 19.5 - 16.5

66y/5 = 13y + 3.5

66y - 13*5y / 5 = 3.5

66y - 65y = 17.5

y = 17.5

x = 6/5*17.5

= 105/5

x = 21

Learn more about the ratio here:

brainly.com/question/13419413

#SPJ1

8 0
1 year ago
I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would
frozen [14]

Answer:

96π

Step-by-step explanation:

You will need the formula for the volume of a cone.

V=\frac{1}{3}πr^{2}h

r= 6 cm

To find the height, you need to use the Pythagorean theorem.

a²+ b² = c² (a and b are the 2 legs and c is the hypotenuse)

b = \sqrt{{c^{2}-a^{2} }

b= \sqrt{10^{2}-6^{2}  } = 8

h= 8 cm

remember PEMDAS!

V=\frac{1}{3}π(6)^{2}8

V=\frac{1}{3}π(36)8

V= π(12)8

V= 96π

Answering in terms of π is more accurate because it is actually infinite so when it gets rounded to 3.14, that is only an approximation of pi. (π is actually 3.1415926535897932384626433 etc.)

4 0
3 years ago
While placing a compact disc into a CD player, you notice a small chip on it\'s edge. But you attempt to play the CD anyway by p
Vera_Pavlovna [14]

Answer:

  (x, y) ≈ (-5.89, 1.16)

Step-by-step explanation:

We assume the CD is still accelerating at the same rate at the end of the given time period. The angular position will be found from ...

  θ(t) = θ₀ + (1/2)a·t²

Filling in the numbers given, we get

  θ(3.51) = (10π/180) + (1/2)(2.49)(3.51²) = 15.51306 . . . radians

The x-y coordinates will be found from ...

  (x, y) = radius·(cos(θ), sin(θ)) ≈ 6·(-0.981066, 0.193674)

  (x, y) ≈ (-5.89, 1.16)

_____

For the trig functions, the calculator must be in radians mode, unless you have converted the angles to degrees.

8 0
3 years ago
A seventh grade teacher asks her students a survey question. Which questions are appropriate for the teacher to ask her populati
Lera25 [3.4K]
The middle 3 are appropriate because the other two they are two young to do

hope it helps
8 0
3 years ago
Read 2 more answers
How do you multiply letters
anyanavicka [17]

Answer: you don't multiply the letters, the letter means any number

EX: if there was an equasion like        f x 43 276 the f would be 6 because 6x 43 =276 or 5 x 65 = x

Step-by-step explanation:

3 0
3 years ago
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