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sashaice [31]
3 years ago
8

How many integers between 100 and 300 inclusive,are divisible by 10?

Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0
100≤10n≤300 

<span>10≤n≤30 </span>

<span>So the number of multiples of 10 from 100 to 300 inclusive is: </span>

<span>(30-10+1)=21

The final answer is 21.</span>
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Which simplified ratio correctly compares 30 inches to 2 feet?
Serggg [28]

Answer:

5:4

Step-by-step explanation:

There are 12 inches in one foot, so there are 24 inches in 2 feet.

Therefore, the ratio that compares 30 inches to 2 feet is the ratio that compares 30 inches to 24 inches.

This is

30\ :\ 24

Simplify it:

30\ :\ 24=\dfrac{30}{24}=\dfrac{6\times 5}{6\times 4}=\dfrac{5}{4}=5\ :\ 4

4 0
3 years ago
What 2 decimal place number lies between 4.174 and 4.189 ?
allochka39001 [22]

Answer:

41.74 and 41.89

Step-by-step explanation:

3 0
2 years ago
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An object moves at a constant rate. The graph shows the object's height at different times. Which equation represents the situat
zlopas [31]
<span>d. y = 15x 900</span>

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3 years ago
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Find a side of an equilateral triangle with a 12 inch altitude
saveliy_v [14]
Since the triangle is an equilateral triangle we know all of it's sides must be the same length, with that in mind the angles that make up the triangle must be equal as well. Knowing that a triangle's three interior angles make up 180 degrees we know that the size of each angle must be one third of this (as each angle must be equal).

180/3 = 60


then we may split the triangle along it's altitude into two special right triangles
more specifically two 30-60-90 triangles.

this means that the side with 30 degrees will be some value "x" where the side for 60 degrees will be related as it is "x*sqrt(3)" and the hypotenuse (which would be the side of the triangle) would be proportionally "2x"

this would mean that the altitude is the side associated with the 60 degree angle as such we can solve for "x" using this.

12= x*sqrt(3)
12/sqrt(3)=x
4sqrt(3)=x  (simplifying the radical we get "x" equals 4 square root 3)

now we may solve for the side length of the triangle which is "2x"

2*4sqrt(3) ->   8sqrt (3)  

eight square root of three is the answer.
8 0
3 years ago
15 points and crown <br> solve by factoring (x+6)(2x-5)=0<br> I am confused
Reika [66]
Remember, in order for this equation to be true either one of the polynomials has to equal 0
So:

-> x+6 = 0

x=-6


-> 2x-5 = 0

2x= 5

x= 5/2


So the answer is x=-6 and x= 5/2.


Hope this helps!
7 0
3 years ago
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