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Soloha48 [4]
3 years ago
15

Is -5/8+3/5 irrational number

Mathematics
1 answer:
natka813 [3]3 years ago
5 0
Any number that you can completely write with digits is rational.
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When four times a number is decreased by 9, the result is 19. What is the number?
Novay_Z [31]

Answer:

7

Step-by-step explanation:

Working backwards:

19 + 9 = 28

28/ 4 = 7

Checking work:

7 x 4 = 28

28 - 9 = 19

8 0
2 years ago
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The basketball team has 50 members, and 18 of them are 6th graders. What percentage of the team is in the 6th grade?​
motikmotik

Answer:

36%

Step-by-step explanation:

\frac{18}{50} = \frac{36}{100}

So 36% of the team is in 6th grade.

8 0
3 years ago
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Of 30 students, į play sports. Of those who play sports, į play soccer.
stellarik [79]

Answer:

what are the equations to the math on this?

8 0
3 years ago
You use 4 gallons of water on 14 plants in your garden.
GrogVix [38]

Answer:

35 plants

Step-by-step explanation:

For this case we can make the following rule of three:

4 gallons --------------> 14 plants

x --------------------------> 35 plants

From here, we clear the value of x.

We have then:

therefore, 10 gallons are needed to irrigate 35 plants.

Answer:

it will take 10 gallons to water 35 plants

4 0
3 years ago
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The end points of a diameter of a circle are (6,2) and (-4,7).
motikmotik

Answer:

Step-by-step explanation:

The standard form equation of a circle with radius r is expressed as

( x − h )^2 + ( y − k )^2 =r ^2 ,

where r represents the radius

h and k are the coordinates of the center of the circle C( h , k )

To determine the coordinates at the center of the circle, the midpoint formula would be used. It is expressed as

[(x1 + x2)/2 , (y1 + y2)/2]

Midpoint of the circle =

(6 - 4)/2 , (2 + 7)/2 = (1, 4.5)

h coordinate of the center = 1

k coordinate of the center = 4.5

r^2 = (x - h)^2 + (2 - k)^2

r^2 = (6 - 1)^2 + (2 - 4.5)^2

r^2 = 5^2 + (- 2.5)^2 = 25 + 6.25

r^2 = 31.25

Substituting r^2 = 31.25, h = 1 and k = 4.5 into (x − h )^2 + ( y − k )^2 = r^2, the standard equation of the circle becomes

(x − 1 )^2 + ( y − 4.5 )^2 = 31.25

3 0
3 years ago
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