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lisov135 [29]
4 years ago
15

7/8 of the students made the track team. 9/18 made the volly ball team. (No one made both teams.) What fractional part of the st

udents are on those team? (there are 35 people in the class)
Mathematics
1 answer:
raketka [301]4 years ago
6 0
About half of the class joined a team
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Need help w this onee thankss!!
skad [1K]

Step-by-step explanation:

if you draw an imaginary perpendicular line across the figure from the vertex which joins the line of 2 cm with the line that is making an angle of X then you can see that this figure is made up of two figures that is a triangle and a rectangle.

now from the angle given i.e X.

perpendicular= 5 cm

base = 14 -2= 12 cm

hypotenuse= ?

we know that,

h² = p²+b²

= 5²+12²=169

h= √169

h= 13

again,

cos X = b/h

= 12/13

6 0
3 years ago
What is 24% of 135??
KiRa [710]

Answer:

32.4

135 x 24% = 135 x 0.24 = 32.4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
suppose that n is a positive integer written in base 10. prove that n is divisible by 3 if and only if the sum of its decimal di
Goshia [24]

Modulo - The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

What is modulo?

In mathematics, the phrase modulo, which literally means "with respect to a modulus of," is frequently used to claim that two different mathematical objects can be regarded as comparable if their difference is explained by a third component.

Using the Fermat's little theorem:

x^n-1 =(x-1)(x^{n-1}+x^{n-2}+....+x+1)

when x=10. You may easily establish the identity by multiplying it term by word. All terms cancel, excluding the first and last ones. Therefore, any power of ten minus one is divisible by nine, and consequently, by three

Now consider a multi-digit natural number, 43617 for example.

43617= 4*10^4+3*10^3+6*10^2+1*10+7

= 4*9999+3*999+6*99+1*9+(4+3+6+1+7)

Other than the sum of the digits, every term on the right is divisible by 3. The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

to learn more about exponents and power visit:

brainly.com/question/19120853

#SPJ4

5 0
1 year ago
Evaluate x-(-y) when x= -2.31 and y = 5.9
kondor19780726 [428]
-2.31-(-5.9)= -2.31+5.9= 3.59
4 0
4 years ago
Read 2 more answers
A foam material has a density of 175 g/l. what is its density in units of lb/ft3? How do you get 1 gram/liter = 0.06242796 pound
mrs_skeptik [129]

Answer:

Given: 175 g/L

1 gram/liter  =  0.06242796 pound/cubic foot

175 g/L * 0.06242796 pound/cubic foot= 10.924893 lb/ft3

So, a foam material has a density of 10.924893 lb/ft3 in units of lb/ft3

Step-by-step explanation:

5 0
4 years ago
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