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evablogger [386]
2 years ago
14

The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39cm what is the radius of the small

circle
Mathematics
2 answers:
maks197457 [2]2 years ago
6 0
You just multiple my guy. 2:3 is like 2/3. What is 2/3 of 39
39*2/3 = 26
anyanavicka [17]2 years ago
4 0

Answer:

the radius would be 26cm

Step-by-step explanation:

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Solve for x. 1.1x + 1.2x - 5.4 = -10
Andru [333]

Answer:

x ≈  - 1.83

Step-by-step explanation:

to solve for x in the question 1.1x + 1.2x - 5.4 = -10

we have

2.3x - 5.4 = -10

collect the like terms

2.3x = -10 + 5.4

2.3x = -4.2

divide both sides by the coefficient of x

2.3x/2.3 = -4.2/2.3

x = -1.826

x ≈  - 1.83

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Which fraction represents the product of -7/8 and -9/11 in simplest form?
Evgesh-ka [11]

Answer:

63/88

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6 0
2 years ago
What is the square root of 100
bekas [8.4K]

Answer:

10

Step-by-step explanation:

4 0
3 years ago
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X^2 +6x+30 in vertex form
Elina [12.6K]

Answer:

Step-by-step explanation:

Factoring  x2-6x-30

The first term is,  x2  its coefficient is  1 .

The middle term is,  -6x  its coefficient is  -6 .

The last term, "the constant", is  -30

Step-1 : Multiply the coefficient of the first term by the constant   1 • -30 = -30

Step-2 : Find two factors of  -30  whose sum equals the coefficient of the middle term, which is   -6 .

     -30    +    1    =    -29

     -15    +    2    =    -13

     -10    +    3    =    -7

     -6    +    5    =    -1

     -5    +    6    =    1

     -3    +    10    =    7

     -2    +    15    =    13

     -1    +    30    =    29

7 0
3 years ago
Read 2 more answers
The data in the tables below were collected from first year students at a community college. The variable is "number of credit c
Oliga [24]

Solution :

It is given that P(x) is said to be complete or proper probability distribution if it satisfies the following two ways :

1. $P(x) \geq 0$

2. $\sum_z P(x) = 1$

Now consider,

$\sum_z P(x) = 1$

⇒ $P(x=0)+P(x=1)+P(x=2)+P(x=3)+P(x=4)+P(x=5)=1$

⇒ $0.61+T+0.14+0.01+0.01+0.03=1$

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⇒ $T=1-0.8$

       = 0.2

Therefore, the value of T is 0.2

Thus, option (c) is correct.

7 0
2 years ago
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