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pishuonlain [190]
3 years ago
12

Is 6.6 a rational number

Mathematics
2 answers:
Crank3 years ago
3 0

it is a rational number because it can be written as the ratio of two integers

hammer [34]3 years ago
3 0

Yes. It can be written as 66/10 .


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Parallel to y = 2x – 5<br> going through (-6, 1)?
vovikov84 [41]

Answer:

y=2x+13

Step-by-step explanation:

Gradient of parallel lines are equal and in the equation,y=2x-5, 2 represents the gradient.

Therefore the gradient of the other line will also be 2.

Introduce another point (x,y) and then equate using the gradient as follows:

y-1/x--6=2

y-1/x+6=2

Cross multiplication;

(y-1)=2(x+6)

y-1=2x+12

y=2x+12+1

y=2x+13

5 0
3 years ago
C = d where C is the circumference of a circle, is about 3.14, and d is the diameter.
Rzqust [24]

Answer:

Formula for Circumference of a Circle

Circumference is given by the formula C = πd where π = 3.14 and d is the diameter of the circle. Circumference is given by the formula C = 2πr where π = 3.14 and r is the radius of the circle.

Hope it's helpful to you

3 0
4 years ago
In a high school, 7% of the students play the piano this is 21 students choose the expression that complete each step involved i
Inessa05 [86]

\frac{7}{100}  =  \frac{21}{x}  \\ x =  \frac{21 \times 100}{7}  =  \frac{2100}{7}  = 300
there are 300 students in the high school.
hope this helps
8 0
3 years ago
Which expression represents the range of the function shown in the graph
Musya8 [376]

Answer:

A. -8<=y<=6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
the perimeter of the hexagon is 162 cm. Each longer side measures 1 cm more than twice a shorter side. What is shorter sides len
Oksana_A [137]

Answer:

The shorter sides are 17 2/3 cm long

Step-by-step explanation:

Yes, you explained it right.

Let's remember that an hexagon has 6 sides, so the perimeter is the sum of the lengths of all the sides.

I assume there are 3 longer sides and 3 shorter sides. (it could be 4/2, but not 5/1 based on the use of plurals in the question).

If it was a regular hexagon the perimeter would be 6x a side length.

But it's not a regular one, however we know the link between the various lengths. So, let's input what we know, taking x as the length of a short side:

162 = 3x + 3 (2x + 1) = 3x + 6x + 3

159 = 9x

x = 17 6/9 so 17 2/3 cm

6 0
4 years ago
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