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pickupchik [31]
3 years ago
7

Am I correct ??? I don’t really know

Mathematics
1 answer:
Setler [38]3 years ago
4 0
What you have here is a situation with two <em>similar triangles. </em>The triangle in the lower left is similar to the triangle in the upper right - I've included an image with "cutouts" of those triangles so you can see the similarities. Similar triangles have a very important property: <em>the ratios of their corresponding sides are equivalent</em>. Here, we can set up a ratio between the sides of length 64 and x on the larger triangle, and the corresponding sides of length x and 36 on the smaller triangle. Setting the two equal to each other, we have

\frac{64}{x}= \frac{x}{36}

Multiplying both sides of the equation by 36 and x, we get

64\cdot36=x^2

finally, we take the square root of both sides of the equation to find x:

\sqrt{64\cdot36}=x\\&#10;\sqrt{64}\sqrt{36}=x\\&#10;8\cdot6=x\\&#10;48=x

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Can someone please help me on this question? Use the following diagram to find the fraction representing each collection of dots
ale4655 [162]

Answer:

  a.  4/7

  e.  3/4

Step-by-step explanation:

For each part of the question, count the dots that meet the first requirement, and count the dots that meet the "fraction of ..." requirement. The desired fraction is the ratio of these numbers. In the answers above, we have reduced the fractions to lowest terms, but the question does not seem to require that.

__

a. The desired fraction is ...

  (dots in the triangle)/(all dots) = 16/28 = 4/7

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e. (dots in the rectangle not in the circle)/(dots in the rectangle) = 9/12 = 3/4

8 0
3 years ago
Please help stuck on probelem
Maurinko [17]
<h3>Answer:  36 square units</h3>

=========================================================

Explanation:

Draw a horizontal line to cut the figure into a rectangle on top and a triangle down below.

The rectangle has length and width of 6 and 4 (horizontal and vertical components respectively). The area of this rectangle is 6*4 = 24 square units.

The triangle has a base of 6 and a height of 4. The base and height of any triangle are always perpendicular.

The area of the triangle is base*height/2 = 6*4/2 = 24/2 = 12 square units. If you were to cut out half of the triangle and rearrange things, you'll find that a rectangle can be formed. This rectangle is half in area that of the first rectangle we found. This is why we divide by 2 when finding the area of the triangle.

Once you know the two sub-areas, we add them up to get the overall area: 24+12 = 36 square units.

5 0
3 years ago
Read 2 more answers
Y=2/3(x-5)^2
Anvisha [2.4K]

Answer:

  see below

Step-by-step explanation:

The graph opens upward if the sign of the squared term is positive. If that sign is negative, the graph opens downward. The first three equations open upward; the last opens downward.

The line of symmetry is the value of x that makes the squared term zero. Here, that is x=5 for all equations.

<u>y=2/3(x-5)^2</u>:  A, D

<u>y=1/2(x-5)^2</u>:  A, D

<u>y=3/4(x-5)^2</u>:  A, D

<u>y=-4(x-5)^2</u>:  B, D

8 0
3 years ago
What are the next three terms in the sequence 2, -4, 8, -16, 32, ...? A. -128, 256, -512 B. 160, 320, 640 C. 160, -320, 640 D. -
miv72 [106K]
Common ratio is -2

next 3 terms :
32 * -2 = -64
-64 * -2 = 128
128 * -2 = -256

answer is D
7 0
3 years ago
Read 2 more answers
Sporting Goods Company could ship 6 footballs in each carton how many cartons are needed to ship 75 football
postnew [5]
You will take 75 divided by 6 and you will get 12.5 so you will round up to 13
8 0
3 years ago
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