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4 years ago

11

I need help on this one question ;(

2 answers:

Romashka [77]4 years ago

7 0

50-x^2=0
x^2=50
x=+root 50 or -root 50
x=5 root 2 or -5 root 2
The answer is C.

Law Incorporation [45]4 years ago

3 0

Answer:

C

Step-by-step explanation:

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Someone please help me on this one

irakobra [83]

12lb=$27
14lb=$x

$\frac{12}{27} = \frac{14}{x}$

cross multiply

12x=378
divide both sides by 12
x=31.5= $31.50

Answer=$31.50

8 0

3 years ago

I need help with this

navik [9.2K]

Step-by-step explanation:

please mark me as brainlest

8 0

2 years ago

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HELP ME ON THIS QUESTION PLZZZZZ!!!!!!! HELP I AM SO STUCK AND SHOW YOUR WORK PLZ I AM BEGGING YOU

Arlecino [84]

Answer:

The answer is 180 because 5×12 is 60 so 15×12 is 180

Step-by-step explanation:

(5,15)( 10,30)(15,45)(20,60)(25,75) and so on and so forth

5 0

3 years ago

Read 2 more answers

Which graph represents a proportional relationship?

m_a_m_a [10]

Answer: D) The bottom right image

Step-by-step explanation: The linear graph is the one that represents a proportional relationship, the graph goes through the origin. You want it to go through the origin.

I hope this helps!

6 0

4 years ago

The test to detect the presence of respiratory syncytial virus is 97% accurate for a person who has the virus and 99% accurate f

user100 [1]

$\textrm{97 percent accurate for individual with the virus}$

$\text{3 percent inaccurate}$

$\textrm{99 percent accurate for an individual}$

$\textrm{1 percent inaccurate probability}$

$\textrm{Probability of infected:}$

$.0055$

$\textrm{Probability of not being infected}$

$1 - .0055 = .9945$

$\textrm{Combine it all together}$

$0.0055 * 0.03 + 0.9945 * 0.01 = 0.01011$

$\textrm{The probability that a randomly chosen person gets an incorrect result is 0.01011}$

$\textbf{Answer}$

$\textrm{0.01011}$

5 0

3 years ago