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matrenka [14]
3 years ago
10

Help ASAP will give brainiest (20 Points)

Mathematics
2 answers:
alekssr [168]3 years ago
8 0

A question like this can become a little bit simpler with a shift in perspective. If we draw a box around the figure (picture 1), we can look at its area as <em>the area that's left when we chop off 4 triangular chunks</em>. The length of the outer box is 8, and its width is 10, making its area 8 x 10 = 80 square units.

Next, we find the area of the 4 triangular chunks. From picture two, we have:

  • A 2 x 2 triangle with an area of (1/2) x 2 x 2 = <em>2 square units</em>
  • A 6 x 6 triangle with an area of (1/2) x 6 x 6 = <em>18 square units</em>
  • Two 4 x 4 triangles with areas of (1/2) x 4 x 4 = <em>8 square units</em>

Adding these together, we find the area of all of the triangular chunks to be 2 + 18 + 8 + 8 = 20 + 16 = <em>36 square units</em>.

Now that we have the areas of the larger box and the triangular chunks, we can "cut off" those chunks by subtracting their area from the area of the boxes, leaving only the area of the original figure. Doing this, we find that area to be

80 - 36 = 44 square units.

tensa zangetsu [6.8K]3 years ago
7 0
54 or 52 I think? I'm not sure
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What is the value of x in the equation 3x − 2 = x + 8?
N76 [4]

Answer:

x=5

Step-by-step explanation:

We need to find the value of x the given equation: 3x-2=x+8

the goal when solving for equations is to isolate the variable onto one side, and have the number (value of what x is) on the other side

here's the equation:

3x-2=x+8

first, add 2 to both sides

3x-2=x+8

   +2   +2

___________

3x=x+10 (2 goes away on the left side, as -2+2=0)

now, subtract x from both sides

3x=x+10

-x   -x

______

2x=10 (x goes away on the right side, as x-x=0)

we have the variable isolated on one side, with the number on the other, but we need the value of x by itself (1x)

divide both sides by 2

x=5 (because 2x/2=1x, or x. 10/2=5).

therefore, the value of x is 5

Hope this helps!

4 0
3 years ago
Mia has 3/4 pound of butter. a muffin recipe calls for 1/8 pound of butter for each batch how many batches of muffins can Mia ma
svet-max [94.6K]
3/4 put into eighths would be 6/8. So Mia would be able to make 6 batches with the butter that she has.
4 0
3 years ago
Where is the circumcenter of any given triangle?
Salsk061 [2.6K]

The <em>correct answer</em> is:


B) the point of concurrency of the perpendicular bisectors of the sides of the triangle


Explanation:


The definition of circumcenter is "the point of intersection of the perpendicular bisectors of a triangle."


To construct the circumcenter, we first construct the perpendicular bisector of each side of the triangle. Once we have these three lines, we find their point of intersection; this is the circumcenter.

4 0
3 years ago
Read 2 more answers
The article "Chances are you know someone with a tattoo, and he's not a sailor" included results from a survey of adults aged 18
4vir4ik [10]

Answer:

a) 0.2

b) 0.28

c) 0.12

d) 0.7

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

We have the following table:

                  At Least One Tattoo No Tattoo

Age 18-29 126                              324

Age 30-50 54                               396

So in total, there are

126 + 324 + 54 + 396 = 900 people

(A) P(tattoo)

This is the probability that a randomly selected person has a tattoo.

Desired outcomes:

126 + 54 = 180

180 people have at least one tattoo

Total outcomes:

There are 900 people.

P(tattoo) = 180/900 = 0.2

(B) P(tattoo | age 18-29)

This the probability that a person aged 18-29 has a tattoo

Desired outcomes:

126 people aged 18-29 have tattoos

Total outcomes:

126 + 324 = 450 people aged 18-29

P(tattoo | age 18-29) = 126/450 = 0.28

(C) P(tattoo | age 30-50)

This the probability that a person aged 30-50 has a tattoo

Desired outcomes:

54 people aged 18-29 have tattoos

Total outcomes:

54 + 396 = 450 people aged 30-50

P(tattoo | age 18-29) = 54/450 = 0.12

(D) P(age 18-29 | tattoo)

The probability that a tattoed person is 18-29.

Desired outcomes:

126 tattoed people are 18-29

Total outcomes

126 + 54 = 180 tattoed people

P(age 18-29 | tattoo) = 126/180 = 0.7

3 0
4 years ago
1/4 + 1/2 + x= - 3/4 I know im asking a lot about those what is the x but this one actually was a tricky one to me i hope you gu
ella [17]

In order to solve it you have to get x by itself.

1. Simplify. 1/4 + 1/2 + x is also the same as 3/4 + x. So you have 3/4 + x = -3/4.

2. Then you subtract 3/4 on both sides to get x by itself. x = -3/4 - 3/4

3. Simplify. x = -1 1/2 or -1.5 depending on whether you need the answer in a fraction or a decimal.

5 0
4 years ago
Read 2 more answers
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