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3 years ago

PLEASE HELP I NEED HELPPPPPP

Mathematics

1 answer:

seraphim [82]3 years ago

5 0

I was working on it until I saw it was only 5 points. Sorry bro

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According to the graph, what is the experimental probability of selecting the letter T?

valentina_108 [34]

Answer: the answer is 1/5 I put 4 and got it wrong, after submitting the test it showed me the answer

4 0

3 years ago

A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability

Afina-wow [57]

Answer: Probability that both tests detect the bacteria is 83.66%.

Step-by-step explanation:

Since we have given that

Probability of the first test giving accurate results = 84%

Probability of the second test is accurate = 89%

Probability of both tests detect the bacteria is given by

$\frac{94}{100}\times \frac{89}{100}\\\\=0.94\times 0.89\\\\=0.8366\\\\=83.66\%$

Hence, Probability that both tests detect the bacteria is 83.66%.

6 0

4 years ago

Read 2 more answers

HALP! EASY MATH (not for me obviously) show work plz halp!

galben [10]

Answer:

Infinitely many solutions

Step-by-step explanation:

Solve y = 3x+1 for y

y = 3x+1

Substitute 3x+1 for y in -6x+2y = 2

−6x+2y = 2

−6x+2(3x+1) = 2

2=2

2+−2=2+−2

0=0

4 0

3 years ago

In the xy coordinate plane the slope of line p is 1 2 and its x-intercept is -3. Find the equation of a line that is perpendicul

Novosadov [1.4K]

Answer:

Option C) y = -2x - 6

Step-by-step explanation:

The correct question is

In the xy coordinate plane the slope of line p is 1/2 and its x-intercept is -3. Find the equation of a line that is perpendicular to p and intersects p at is x-intercept.

step 1

Find the slope of a line that is perpendicular to p

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

$m_1*m_2=-1$

we have

$m_1=\frac{1}{2}$ ----> slope of line p

substitute

$(\frac{1}{2})*m_2=-1$

$m_2=-2$ ----> slope of the line perpendicular to p

step 2

Find the equation of the line that is perpendicular to p and intersects p at is x-intercept

we have

$m=-2$

$point\ (-3,0)$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

substitute

$y-0=-2(x+3)$

$y=-2x-6$

8 0

4 years ago

HELP PLEASE 15PTS + BRAINLIEST

irakobra [83]

Answer:

Number of points, x, Number of segments, y

x: 2, 3, 4, 5, ... N,. ...

y: 1, 3, 6, 10, ... (N-1)(N)/2, ...

Step-by-step explanation:

Adding Nth point, there are N-1 new segments,

and (sum over {i = 1 to N-1} of i) total segments. As Gauss knew when he was c.10 yo, the sum is (N-1)(N)/2.

6 0

3 years ago