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cupoosta [38]
3 years ago
10

Find the Nonpermissible replacement for y in this expression y-7/y+9

Mathematics
2 answers:
dsp733 years ago
6 0

Answer:

y cannot be -9

Step-by-step explanation:

The other word is discontinuity

It is what y cannot be

The denominator cannot be zero so

y+9 cannot be zero

y cannot be -9

Ierofanga [76]3 years ago
3 0
Y= -9 is the non permissible replacement for Y in this expression

Y+9/Y+7
If Y= -7
You cannot divide by 0. If Y= -7, the denominator would be 0.

Zero in the denominator is NOT allowed.

Y= -9 is the non permissible replacement for Y in this expression.
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If someone left at the same time as you and got there before you driving at 60 miles per hour and you and at 40 miles per hour.
olchik [2.2K]

Answer:

By calculating the time taken to reach we get to know that the The time taken by the other person is less than yourself

Step-by-step explanation:

Given that the other person and yourself left at the same time and the speed of the other person is 60 miles per hour and the speed of yourself is 40 miles per hour.

We know that the speed=\frac{distance}{time}

Let the time taken to reach the destination at a distance of d by the other person is T1.

Then 60=\frac{d}{T1}

T1=\frac{d}{60}

Let the time taken to reach the destination at a distance of d by the yourself is T2.

Then 40=\frac{d}{T2}

T2=\frac{d}{40}

Now the time difference is = T2-T1 = \frac{d}{60} -\frac{d}{40} = -\frac{d}{120}

Therefore T1 > T2 which means the time taken to reach the destination by yourself is greater than that of other person .

3 0
4 years ago
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6 0
3 years ago
one of the same side exterior angles of two parallel lines is 20 degrees less than the other same side exterior angle find the m
Dmitry_Shevchenko [17]

Answer:

25 I am not a fan of the gas increases when the piston is pushed in the next war

8 0
3 years ago
An artist is creating a stained glass design. She uses a lead border around each piece. The radius of the circle is 2 ¼ in. Use
NARA [144]

Answer:

The correct answer is -

a. 4.5 inches.

b. side or arm (a)

c. (a) or 4.5, and 18

d. (d) 4.5, and 14.1428

e. 22/7 × r^2 = 15.90

Step-by-step explanation:

Given :

Radius or r = 2 ¼ inches

Solution:

a. the diameter of the circle -

d = 2r

= 2 ¼  *2

= 2.25*2

= 4.5

b. The diameter of the circle is the same length as one side or arm of the square which is

a = d = 4.5

c. The perimeter of the square

P = 4a = 4d = 4*4.5 = 18

d. Perimeter of the circle =

2πr = πd = (22/7)*4.5

= 14.1428

e. the area of the circle =

22/7 × r^2

= 15.90

4 0
3 years ago
If a triangle has sides with lengths of 2x-7, 5X -3, and 2X -2. What is the perimeter of the triangle?
ad-work [718]
To find the perimeter of the triangle you need to add up all the side lengths
2x - 7 + 5x - 3 + 2x - 2
Now move like terms, the ones with x and ones without, next to each other.
(You can skip this step, but I think it makes it easier to understand.)
2x + 5x + 2x - 7 - 3 - 2
Now just add like terms to get your answer.
9x - 12
7 0
4 years ago
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