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KonstantinChe [14]
2 years ago
12

question 9: find the radius of the cylinder with a volume of 45m cubed and a height of 9m round your anwser to the nearest tenth

.​
Mathematics
1 answer:
tester [92]2 years ago
4 0

Answer:

1.26 but rounded to the nearest 10 would be 1.3 so 1.3 is your answer

Step-by-step explanation:

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If ab = 5 and a² + b² = 25, then (a + b)² =​
prisoha [69]

Answer:

100

Step-by-step explanation:

because 5+5=10

the 10^2=10*10=100

3 0
3 years ago
Read 2 more answers
Factor the expression completely I’ve the complex numbers X^4+10x^2+25
Elza [17]

We have

(a + b)² = a² + 2ab + b²

so that with a = x² and b = 5, we have

x⁴ + 10x² + 25 = (x² + 5)²

Next, we have

a² - b² = (a - b) (a + b)

so that with a = x and b = √5 i,

x² + 5 = x² - (-5) = (x - √5 i) (x + √5 i)

So, the complete factorization over the complexes is

(x - √5 i)² (x + √5 i)²

5 0
2 years ago
Which statements are true about the graph of the function f(x) = x2 – 8x + 5? Select three options.
coldgirl [10]

Answer:

1,4,5

Step-by-step explanation: it ees what it ees

4 0
3 years ago
A 4 meter ladder leans against a house forming a
Ket [755]

Answer:

2.meters

Step-by-step explanation:

Lenght of ladder = 4 m

θ = 30°

To obtain h;

Using Pythagoras rule :

Sinθ = opposite / hypotenus

Hypotenus = 4 ; opposite = h

Sin 30 = h / 4

0.5 = h / 4

h = 0.5 * 4

h = 2 m

Hence, distance between th efoot of ladder and the base of the wall is 2 m

6 0
2 years ago
A cable provider wants to contact customers in a particular telephone exchange to see how satisfied they are with the new digita
dusya [7]

Answer:

  a) uniform

  b) 1/2

  c) 1/1000

Step-by-step explanation:

a) "numbers with equal​ probability" have a uniform distribution.

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b) Even numbers make up 1/2 of all numbers.

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c) There are ten such numbers in the range, so the probability is ...

  10/10000 = 1/1000

7 0
3 years ago
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