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3 years ago

Help me plsssss

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

7 0

Answer:

The answer is b and fraction 1 over 2 ⋅ 8 ⋅ 8

Step-by-step explanation:

I'm pretty sure

notka56 [123]3 years ago

4 0

Answer:

Hence, option 3 is correct.

Step-by-step explanation:

Given,

Side of a square = 8 units

Also,

The shaded triangles base = Height of the triangle = Side of the square = 8 units.

<u>(Sides of a square are always same)</u>

Hence, area of the shaded triangle will be,

$= \frac{1}{2} . \: base \: . \: height$

$= \frac{1}{2} . \: 8 \: . \: 8 \: (ans)$

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For all parts of this problem, P(Ā)=0.75 , P(B)=0.3 , and P(B∣A)=0.15

Marianna [84]

12. I assume $\bar A$ denotes the complement of A, so

$P(A) = 1 - P(\bar A) = 0.25$

Then by definition of conditional probability,

$P(B\mid A) = \dfrac{P(A\cap B)}{P(A)} = \dfrac{P(A\cap B)}{0.25} = 0.15 \\\\ \implies \boxed{P(A\cap B) = 0.0375}$

13. By inclusion/exclusion,

$P(A\cup B) = P(A) + P(B) - P(A\cap B) = 0.25 + 0.3 - 0.0375 \\\\ \implies \boxed{P(A\cup B) = 0.5125}$

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2 years ago

A trapezoid may have three congruent sides<br> True or false

olya-2409 [2.1K]

Answer: true

Step-by-step explanation:

i just know :)

3 0

2 years ago

Read 2 more answers

What is the value of the underline digit 72

bogdanovich [222]

The value of the 7 is 70 and the value of the 2 is 2.

5 0

4 years ago

Read 2 more answers

a group of hikers park there trail head and hike into the forest to a campsite. The next morning they head out on a hike from th

tiny-mole [99]

Answer: The campers will be $40\ miles$ from their car after 12 hours.

Step-by-step explanation:

<h3> The missing graph is attached.</h3>

The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope and "b" the y-intercept.

We can pick two points on the line graphed and substitute the coordinates into this formula to find the slope:

$m=\frac{y_2-y_1}{x_2-x_1}$

Choosing the points (0,4) and (2,10), we get:

$m=\frac{4-10}{0-2}=3$

We can susbstitute the point (0,4) and the slope into $y=mx+b$ and solve for "b":

$4=3(0)+b\\\\b=4$

Then, the equation of this line is:

$y=3x+4$

Since the distance in miles is represented on the y-axis and the time in hours is represented on the x-axis. we can rewrite the equation as:

$d=3h+4$

Finally, in order to calculate the distance in miles that the campers will be from their car after 12 hours, we need to subsitute $h=12$ into the equation and evaluate. Then we get:

$d=3(12)+4\\\\d=40$

4 0

3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!

valentina_108 [34]

Answer:

Step-by-step explanation

Cluster- a group of points that close together

symmetry- data is balanced on opposite sides of a point or line

spread- how close or far apart the values are in a data set

center- the middle of a data set

gap- a space between data values

3 0

3 years ago