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4 years ago

Gm someone help me ?

Mathematics

2 answers:

Olegator [25]4 years ago

8 0

Letter D.

Congruent shapes have the same angles, proportions, etc. but they're not always the same size.

Hope it helped,

Happy homework/ study/ exam!

lozanna [386]4 years ago

3 0

A is correct since if 2 figures are congruent they have common sides and angles sas postulate and sss postulate

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Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below

guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation $D_{o,2.4}(x,y)$ represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

$(x,y)\rightarrow (kx,ky)$

Since the scale factor is 2.4, therefore

$(x,y)\rightarrow (2.4x,2.4y)$

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

$P(2,-2)\rightarrow P'(2.4(2),2.4(-2))$

$P(2,-2)\rightarrow P'(4.8,-4.8)$

Therefore the coordinates of P' are (4.8,-4.8).

3 0

4 years ago

mean of 164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170

Karo-lina-s [1.5K]

Answer:

170.72

Step-by-step explanation:

to find the mean, we must add al the numbers and divide it by n

that is,

164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170 we have to add al these numbers and divide it by 25

sum- 4628 divided by 25

=170.72

7 0

2 years ago

ALGEBRA GRAPHING HELP

Brilliant_brown [7]

Answer:

B on the first question and A on the 2nd

Step-by-step explanation:

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2 years ago

In a certain manufacturing plant, the first operation can be done on any one of five machines, the second operation on only one

Ymorist [56]

Let's see all the steps:
1) operation : 5 options
2) only one option: we ignore it
3) the third operation: 6 options
4): 2 options.

So we have 5 options, 6 options and 2 options: and they are independent of each other. This means that we multiply the numbers, and 5*6*2=60 So the answer is 60!

5 0

3 years ago

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Please help me i really need help please please

gizmo_the_mogwai [7]

Answer:

it's D all of the above

Step-by-step explanation:

.......

7 0

3 years ago

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