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vichka [17]
2 years ago
9

Determine whether the following pairs of line will be parallel perpendicular or neither x=y ;x=y+1​

Mathematics
1 answer:
Airida [17]2 years ago
7 0

Answer:

parallel because they have the same slope

Step-by-step explanation:

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Assume the following triangles are similar. Find the scale factor and the lengths of the missing sides.
Elanso [62]

Answer:

If two figures are similar, then the correspondent sides are related by a constant factor.

For example, if the base of one side of one of the figures has a length L, then the correspondent side of the other figure has a length k*L where k is the scale factor.

Let's start with the two left triangles.

In the smaller one the base is 5, and the base of the other triangle is 15.

Then we will have:

15 = k*5

15/5 = k = 3

The scale factor is 3.

Then we will have that:

a = scale factor times the correspondent side in the smaller triangle:

a = k*3 = 3*3 = 9

a = 9

For the other two triangles, the base of the smaller triangle is 12, while the base of the larger triangle is 20.

Then we will have the relation:

12*k = 20

k = (20/12) = 10/6 = 5/3

The scale factor is 5/3

This means that the unknown side b is given by:

b*(5/3) = 15

b = (3/5)*15 = 3*3 = 9

b = 9.

5 0
3 years ago
Is negative 5 a rational number or an irrational number<br><br><br> (Pleasee help me)
solong [7]

Answer:

Negative five is in fact a rational number.

Step-by-step explanation:

Rational numbers can either be negative or positive. An irrational number would be pi (3.14159 etc.)

8 0
3 years ago
If the point (1, 5) lies on a circle whose center is at the origin, what is the equation of the circle?
makkiz [27]
In this case just change the variables by the numbers. (1,5)
x=1 y=5
1^2 + 5^2 = 26
1+25=26
26=26 *this one is the answer...
TRUE

x2 + y2 = 16
1^2 + 5^2=16
1+25=16
26=16
False

x2 + y2 = 13
1^2 + 5^2=13
1+25=13
26=13
False

x2 + y2 = 11
1^2 + 5^2=11
1+25=11
26=11
False

So we can say that the first one is the answer.
3 0
3 years ago
A TV show had 4,500,000 viewers for their first episode and 8,500,000 viewers for their second episode. How many viewers did the
Nataly [62]

Answer:

13,000,000

Step-by-step explanation:

3 0
2 years ago
What fraction of a £1 is eighty pence
goldfiish [28.3K]
I think it would 80/100 because £1 is 100 and we trying to work out the fraction of 80p of £1. So it would be 80/100. Hope this helps.
7 0
3 years ago
Read 2 more answers
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