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3 years ago

7

Find the value of x . PLEASE HELP )):

1 answer:

Scorpion4ik [409]3 years ago

5 0

Answer:

x=65

Step-by-step explanation:

since its 65 on one side, its going to be 65 on the other. they are congurent

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How many multiples of 2 are there between 99 and 999?

agasfer [191]

Answer:

Step-by-step explanation:

The multiples of numbers calculator will find 100 multiples of a positive integer. For example, the multiples of 3 are calculated 3x1, 3x2, 3x3, 3x4, 3x5, etc., which equal 3, 6, 9, 12, 15, etc. You can designate a minimum value to generate multiples greater than a number.

7 0

4 years ago

The state medical school has discovered a new test for tuberculosis. (If the test indicates a person has tuberculosis, the

Inessa [10]

The probability according to the given scenario is:

(a) <em>0.0395</em>

(b) <em>0.95</em>

(c) <em>0.076</em>

The given values are:

$P(B/A) = 0.79$
$P(A) = 0.05$

(a)

The probability that the b/w has tuberculosis as well as having (+) test will be:

→ $P(A \cap B) = P(B/A).P(A)$

By substituting the values, we get

→ $= 0.79\times 0.05$

→ $= 0.0395$

(b)

The probability that a person does not have tuberculosis will be:

→ $P(A') = 1-P(A)$

→ $=1-0.05$

→ $= 0.95$

(c)

The person does not have tuberculosis as well as have a (+) test, the probability will be:

→ $P(A' \cap B) = P(A').P(B/A')$

→ $= 0.95\times 0.08$

→ $= 0.076$

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8 0

2 years ago

I don’t know how to find the LCM for this.

nekit [7.7K]

Answer:

B

Step-by-step explanation:

7mn³|7m²n³ ---14mn^5

| m---2n²

LCM=7mn³×m×2n²

=14m²n^5

or LCM of 7,14 =14

Highest power of m=2

Highest power of n=5

LCM=14m²n^5

6 0

3 years ago

Y=3x^2+11x-4 and y=10x-1. solve the system of equations

Mashcka [7]

3x^2+11x-4=10x-1
3x^2+11x-10x-4+1=0
3x^2+x-3=0
Δ=1^1-4*3*(-3)=1+36=37
x1=(-1+V37)/6

x2=( -1-V37)/6

7 0

3 years ago

Rectangular flower bed needs a thin metal border all the way around. The sides are 4' x 3' long how many feet of border should b

Phoenix [80]

Good luck to you! Any questions, ask away.

5 0

3 years ago