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N76 [4]
3 years ago
11

What is the value of x to the nearest tenth

Mathematics
1 answer:
natima [27]3 years ago
3 0
11.1901810337



I think
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Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning
aalyn [17]
To flip any of the points to map up correctly to the other points, you would have to do a reflection over the y-axis. The reasoning for this is because you cannot dilate your shape because it won't map over correctly. A translation will not work, mainly because the shape still needs to flip. A rotation will also not work because when you rotate it, the shape will still not map over your new one. 

-So your answer to this question would be that only a Reflection over the y-axis will allow the two shapes to map over each other correctly.
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3 years ago
What is the surface area of the regular pyramid given below ?
Levart [38]

Answer:

Option C 207\ units^{2}

Step-by-step explanation:

we know that

the surface area of a pyramid is equal to

SA=B+LA

where

B is the area of the base

LA is the lateral area

The area of the base B is

B=9*9=81\ units^{2}

The lateral area is equal to

LA=4*(1/2)(9*7)=126\ units^{2}

the surface area is equal to

SA=81+126=207\ units^{2}

5 0
3 years ago
Read 2 more answers
Encuentra el valor de la incógnita -24/x = 6
Marat540 [252]

Answer:

x = -4

The solution is x = -4

3 0
2 years ago
Write in detail how you have used math in the real-world to solve a problem.
neonofarm [45]

Answer:

I went shopping once for ingredients of a cake, but i didn't know what my finale price would be. So i estimated what the total cost could be, then i took all the prices and added them up then divided the price by how many ingredients i got to find the average and it was pretty close to my estimate. So math can help when you go shopping. (Sorry if how i find my prices is weird, i kinda just stand in one spot for at least 5 - 8 mins trying to find my price)

Step-by-step explanation:

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3 years ago
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if PQ || RS and the slope of PQ= x-1/4 and the slope of RS is 3/8 then find the value of x justify algebraically and numerically
Artemon [7]

The value of x is 5/8.

<u>Step-by-step explanation</u>:

Given,

  • The lines PQ and RS are parallel to each other.
  • slope of PQ= x-1/4
  • slope of RS = 3/8

The slopes of parallel lines are equal.

slope of PQ = slope of RS

⇒ x-1/4 = 3/8

⇒ (4x-1)/4 = 3/8

⇒ 8(4x-1) = 4(3)

⇒ 32x-8 = 12

⇒ 32x = 20

x = 20/32

x = 5/8

5 0
3 years ago
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