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marishachu [46]
3 years ago
5

Given: ,

Mathematics
2 answers:
lisov135 [29]3 years ago
5 0

Answer:

(A) SSS Postulate

Step-by-step explanation:

Given: AB≅DC and AC≅DB.

To prove: ΔABC is congruent to ΔDCB.

Proof: It is given that AB≅DC and AC≅DB, thus let us consider  ΔABC and ΔDCB, then

AB≅DC (Given)

AC≅DB (Given)

BC=BC (Reflexive property of congruence)

Thus, by SSS rule of congruency, ΔABC is congruent to ΔDCB that is ΔABC≅ΔDCB.

Hence, option A is correct.

nekit [7.7K]3 years ago
3 0
Sss postulate all sides are congruent

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What is the image of (2,-2) after a dilation by a scale factor of 5 centered at the<br> origin?
ss7ja [257]

Answer:

(10, -10)

Step-by-step explanation:

since the point is at the origin, simply multiply.

2 * 5 = 10

-2 * 5 = -10

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3 years ago
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Can I have help solving for x?:))
zvonat [6]

Answer:

24.8

Step-by-step explanation:

We will have to use trigonometry here to find the value of x. The first thing we can see is that we need to work out the hypotenuse. We need to chose whether to use Sin, Cos or Tan. We do that by look at the sides .

→ 'x' is the hypotenuse

→ 12 is opposite

→ The adjacent is the side that doesn't have a numerical value to we look for a formula triangle without adjacent in it

Tan = Opposite ÷ Adjacent

Sin = Opposite ÷ Hypotenuse

Cos = Adjacent ÷ Hypotenuse

We can see the Sin formula has no adjacent in it so we use that formula. However we want to work out the hypotenuse so we have to rearrange the sin formula to get hypotenuse as the subject so

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Hypotenuse = Opposite ÷ Sin

→ Let's substitute in the values

Hypotenuse = 12 ÷ Sin(29)

Hypotenuse = 24.7519841

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6 0
4 years ago
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Can someone please answer this? Please please :(
Alchen [17]

Answer:

Question 4 answers
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Step-by-step explanation:

1 is 3 by 7 which is 21

2 si 3 by 3 which is 9

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7 0
2 years ago
Line q has a slope of 5/3. Line r is parallel to line q. What is the slope if line r?​
seropon [69]

Answer:

The slope remains a constant m=\frac{5}{3} as it is parallel.

Explanation:

1. Line Q is defined as a slope of \frac{5}{3}; i.e. y=\frac{5}{3}

2. Line R is defined to be parallel of Line Q.

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Please Help.....................................................................................................................
Ber [7]
Tables hurt my eyes :P

The total number of combinations is the product of the number of choices you have for each selection...in this case:

She can choose from 3 flowers and after that she can choose from 3 different vases so:

The number of combinations is 3*3=9

Anyway it is the bottom left table...
8 0
4 years ago
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