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lina2011 [118]
3 years ago
12

Which number is rational? o 22 O 16

Mathematics
1 answer:
dangina [55]3 years ago
4 0
Square root of 16 because it equals to 4 which is a rational number
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A GP has 8 terms, it's first and last terms are 0.3 and 38.4/, calculate the common ratio
gladu [14]

Answer: The right  answer is 2

Step-by-step explanation:

  1. Write out the expression

T1; a = 0.3 ------------ (I)

T8; ar^7 = 38.4 ------------ (ii)

Substituting for 'a' in the second equation, we have;

0.3r^7 = 38.4

0.3r^7 = 38.4

Divide both sides by 0.3

r^7 = 38.4/0.3

r^7 = 128

r = (128)^1/7

r = 2

5 0
3 years ago
A rectangle with length of 9 centimeters and width of 5 centimeters. The perimeter of the rectangle is cm. If the rectangle is d
Katarina [22]

Answer: perimeter of the rectangle is 28 cm

54 cm and 30 cm

The new perimeter of the new rectangle is 168cm

The new perimeter is 6 times greater

Step-by-step explanation:

I just answered then and got it right

5 0
3 years ago
Which set of numbers below DO NOT make a triangle?<br> 0 7,7,7<br> O 6,3,3<br> 0 3,4,5<br> O 5, 11,7
Hoochie [10]

Answer:

3,4,5

Step-by-step explanation:

All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle therefore 3,4,5 is not triangle.

5 0
3 years ago
A fair die is rolled in a board game to determine how many spaces a player can move on their turn. It has one of the numbers 1,2
Jet001 [13]

Answer:

(a)6 (b)3 (c)0.5

Step-by-step explanation:

Given a fair die with the numbers 1,2,3,4,5, or 6 on each of its faces.

  • Event A is the event of rolling an even number
  • Event B is the event of rolling an odd number.

(a)The sample space for the outcomes in this experiment is {1,2,3,4,5,6}

There are <u>6</u><u> </u>outcomes in the sample space.

n(S)=6

(b)

Event A is the event of rolling an even number

Sample space of A = {2,4,6}

There are <u>3</u> outcomes in event A.

n(A)=3

(c)The probability of event A

P(A)=\dfrac{n(A)}{n(S)} =\dfrac{3}{6} =0.5

P(A) =<u>0.5</u> is the probability that you choose an even number.

6 0
3 years ago
Given the line below.
Roman55 [17]

Answer:

The equation of the line in point slope form is equal to

y+2=(x+2)

Step-by-step explanation:

The picture of the question in the attached figure

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

(-2,-2) and (2,2)

substitute the values

m=\frac{2+2}{2+2}=1

step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=1\\(x1,y1)=(-2,-2)

substitute the values in the formula

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

5 0
3 years ago
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