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8_murik_8 [283]
3 years ago
11

Please help! this the last question

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0
Answer: A
fhcvcjfjfvv
valentinak56 [21]3 years ago
4 0
It’s C. I have to put more letters just ignore this
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What did a the surface area of the square pyramid below?
Mamont248 [21]

Answer:

Area of the square pyramid = 156\,cm^2

Step-by-step explanation:

The Surface area of the square pyramid :

Area of the four triangular faces+ Area of the square base

=(2\times Base \times Height )+ (Side\times Side)

For triangle:

Base=6\,cm\\Height=10\,cm

Side of the square base= 6\,cm

Area of the figure is:

      =(2\times 6 \times10 )+(6\times 6)\\\\=120+36\\\\=156\,cm^2

The area of the square pyramid is : 156\,cm^2

4 0
3 years ago
Identify the vertex of the quadratic function in standard form y=2x^2 -16x+31
lapo4ka [179]

Answer:

(4,1)

Step-by-step explanation:

The vertex of the quadratic can be found using -b/2a. The vertex is the point (-b/2a, f(-b/2a)).

To find the x coordinate of the quadratic, define its a,b, and c. The quadratic has a = 2, b=-16, and c=31. Then -b/2a is -(-16)/2(2) = 16/4 = 4.

To find the y-coordinate, input the x=4 and solve for y.

y=2(4)^2-16(4)+31\\y=2(16)-64+31\\y=32-64+31\\y=1

The vertex is (4,1).

8 0
3 years ago
12 feet = _____ yds<br><br> A<br> 2<br><br> B<br> 4<br><br> C<br> 8<br><br> D<br> 24
Orlov [11]

Answer: I believe your answer is B: 4 yds

Hope I helped pls give me 5 stars and thanks

8 0
3 years ago
Read 2 more answers
Which of the following is an example of a complex formula?<br> A. =150*.05<br> B. =A1
marusya05 [52]
 The answer is A. bc of the point 
5 0
3 years ago
Triangle KLM was dilated according to the rule DO,0.75 (x,y). What is true about the image △K'L'M'? Check all that apply. DO, 0.
mihalych1998 [28]

Answer: The correct statements are 0.75 (x,y) = (0.75x, 0.75y) , LM is parallel to L'M' and "the vertices of the image are closer to the origin than those of the preimage".

Explanation:

It is given that the triangle ABC was dilated according to the rule DO,0.75 (x,y)

DO, 0.75(x,y) represents the rule of dilation. Where both x- and y-coordinates are multiplied by 0.75 the dilation is about the origin has a scale factor of 0.75. The  notation for this dilation would be,

(x,y)\rightarrow (0.75x,0.75y)

Therefore, the first statement is true.

Since both x- and y-coordinates are multiplied by 0.75, therefore the sides of image and preimage are parallel but the sides of image are 0.75th of the side of preimage.

Therefore, the second statement "LM is parallel to L'M'" is true but the third and fifth statement is false.

The scale factor is 0.75 which is less than 1, so the vertices of the image are closer to the origin than those of the pre-image.

Therefore, the forth statement "The vertices of the image are closer to the origin than those of the pre-image"  is true.

7 0
3 years ago
Read 2 more answers
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