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Marizza181 [45]
2 years ago
15

What is the amount of change from 20 to 36

Mathematics
2 answers:
OlgaM077 [116]2 years ago
6 0

Answer:

16

Step-by-step explanation:

meriva2 years ago
6 0

Answer: $16.00

Step-by-step explanation:

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Solve using elimination.<br> 8x – 6y = -6<br> 2x – 4y = -14
vovangra [49]
I’m not sure if you want the answer or how to do i’ll just give you both.
multiply the bottom by -4. then it should look like:
8x-6y=-6
-8x+16y=56
then cancel out the x’s and add/subtract the others, giving you: -2y=50. then divide 50 by -2 giving you: y=-25. then find x. plug in y to one of the equations. i usually do the one that hasn’t been messed with. 8x-6(25)=-6. then solve it like a normal two-step equation.
so the answer is: (18,-25)
7 0
3 years ago
Consider circle C with radius 5 cm and a central angle measure of 60°. What fraction of the whole circle is arc RS?
skelet666 [1.2K]

Answer:

There are a total of 360° in any given circle, so an arc swept out by 60° of that 360° would make up 60/360 = 1/6 of the circle's circumference.

The formal for the circumference of a circle comes out of the definition of one of the most famous constants in mathematics: π. π is defined as the ratio between a circle's circumference and its diameter, or:

From this definition, we can multiply both sides of the equation by d to obtain

or, circumference is π times the diameter. To find the diameter, we just need to double the radius, giving us 5 * 2 = 10cm. Usually you'll see π approximated as 3.14, which is likely what they want you to use here. Using that approximation, we find the circumference to be 3.14 * 10 = 31.4 cm.

Finally, to get the length of that arc, we just need to take 1/6 of the circumference (since the arc sweeps out 1/6 of the circle), giving us 31.4 * 1/6 ≈ 5.2 cm.

Step-by-step explanation:

7 0
3 years ago
What is the place value of 3 in 9. 365?​
nikdorinn [45]

Answer:

It is in the tenths place

Step-by-step explanation:

In the number 9.365, 3 is in the tenths place.

8 0
2 years ago
Read 2 more answers
If 3 3/4 pounds of candy cost $20.25, how much is 1 pound of candy
Nina [5.8K]
3 and 3/4lb=20.25
what you should do is divide both sides by 3 and 3/4 but that isnt nice

convert 3 and 3/4 to improper
3 and 3/4=3+3/4=12/4+3/4=15/4
15/4lb=20.25
times 4/15 to both sides (15/4 times 4/15=60/60=1)
1lb=81/15
1lb=5.4

answer is
1lb=$5.40
5 0
2 years ago
R(x) = 2 sqrt x s(x)= sqrt x (rs)(4) =
In-s [12.5K]

Answer: 8

Step-by-step explanation:

3 0
2 years ago
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