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enot [183]
2 years ago
8

Please Help I'm not really good at math

Mathematics
1 answer:
UkoKoshka [18]2 years ago
3 0

The true statements about the triangles RST and DEF are: (a), (d) and (e)

<h3>How to determine the true statements?</h3>

The statement ΔRST ≅ ΔDEF means that the triangles RST and DEF are congruent.

This above implies that:

  • The triangles can be mapped onto each other by rigid transformations such as reflection, translation and rotation
  • The transformation does not include dilation
  • Corresponding sides are congruent

The above means that the possible true statements are: (a), (d) and (e)

Read more about transformation at:

brainly.com/question/4289712

#SPJ1

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-4x-2y=-12 <br>4x+8y=-24​
sweet [91]

Answer:

x = 6

y = -6

Step-by-step explanation:

By adding both equations :-

=》-4x -2y + 4x + 8y = -12 + (-24)

=》-4x + 4x + 8y - 2y = -12 - 24

=》6y = -36

=》y = -36 ÷ 6

=》y = -6

putting the value of y in equation 2

=》4x + 8y = -24

=》4x + (8 × -6) = -24

=》4x - 48= -24

=》4x = 48 - 24

=》x = 24 / 4

=》x = 6

6 0
2 years ago
Read 2 more answers
An animal shelter is putting together treat bags for each of the 48 dogs and 38 cats at the shelter. The material for each treat
notsponge [240]

Answer:

74.82

Step-by-step explanation:

48+38=86       86 X  0.87= 74.82

3 0
2 years ago
The value of a house has increased by $4,200 in the past year. By what percent has the value increased if the value last year wa
IgorC [24]

Answer:

The value has increased by <u>8 percent</u>.

Step-by-step explanation:

Given:

The value of a house has increased by $4,200 in the past year.

The value last year was $52,500.

Now, to find the percent increased.

<em>Value of house = $52,500.</em>

<em>Value of house last year increased by = $4200.</em>

So, to get the percent increased:

\frac{Value\ of\ house\ last\ year\ increased\ by} {Value\ of\ house}\times 100.

=\frac{4200}{52500} \times 100

=0.08\times 100

=8\ percent.

Therefore, the value has increased by 8 percent.

6 0
2 years ago
The price of a laptop computer was $1,980. During a fair, the price was reduced by 30%. Find the price of the computer during th
Svet_ta [14]

The computer is now worth 594 dollars.

Step-by-step explanation:

7 0
3 years ago
What is the value of x when 3x=54? <br> A) x=18<br> B) x=51<br> C) x=57<br> D) x=162
Inessa05 [86]
The answer is a. x = 18 :)
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2 years ago
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