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VladimirAG [237]
2 years ago
9

Decide which of the following quantities can be represented by a positive number and which can be represented by a negative numb

er. Give an example of a quantity with the opposite sign in the same situation

Mathematics
1 answer:
mash [69]2 years ago
6 0

Answer:

Step-by-step explanation:

a +

b -

c +

d -

e -

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The telephone company charges $1.35 fir the first 3 minutes of a phone call and $0.35 for each additional minute. i talk on the
irinina [24]

Answer:

$5.20

Step-by-step explanation:

Talked on the phone for 14 minutes .

14 - 3 = 11

11 x .35 = 3.85

3.85 + 1.35 = 5.2

8 0
3 years ago
A basketball has a diameter of approximately 9.5 inches . What is the volume of the basketball? Use 3.14 for pi
ki77a [65]

Answer:

29.83

Step-by-step explanation:

you just multiply 9.5 times 3.14

7 0
3 years ago
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5. What is the equation of the tangent line to the circle x^2+y^2=1 through the point (6,0)?
notka56 [123]

Answer:

There is no tangent line of the given circle at (6, 0).

Step-by-step explanation:

Given equation of the circle,

x^2 + y^2 = 1

∵ equation of a circle is (x-h)^2 +(y-k)^2 = r^2,

Where, (h, k) is the center of the circle and r is the radius,

By comparing,

Center of the given circle = (0, 0),

Radius of the circle = 1 unit

Now, check whether point (6, 0) lie on the circle,

if x = 6, 6^2 + y^2 = 1

36 + y^2 = 1

y^2 = 1- 36

y= i\sqrt{35}\neq 0

i.e., (6, 0) does not lie on the circle,

Hence, there is no tangent line of the given circle at (6, 0).

3 0
3 years ago
Roberta needs 12 zippers to make 3 of the same backpacks. If Roberta has 48 zippers, how many of those same backpacks can she ma
yaroslaw [1]
First, you need to find out how many zippers are used to make one bookbag. To do that, you divide the zippers used to make the 3 backpacks.

12 / 3 = 4

So, 4 zippers are used per bookbag. Then, you divide the number of available zippers by four to find out how many bags she can make.

48 / 4 = 12

Roberta can make 12 bookbags.
5 0
3 years ago
Help ppl me yalllll
prisoha [69]

Answer:

B

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = 2πr ( isolate r by dividing both sides by 2π )

C ÷ 2π = r → B

5 0
3 years ago
Read 2 more answers
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