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Reika [66]
3 years ago
14

A dress that normally costs $69.50 is on sale for 40% off. What is the sale price of the dress?

Mathematics
1 answer:
Archy [21]3 years ago
6 0

Answer:

$27.80

Step-by-step explanation:

69.50 - 40% = 27.8

hope this helps :)

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Answer:

0.0768 kilograms per cup

Step-by-step explanation:

I got this answer from DeltaMath. Trust me :)

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Tonisha has a lemonade stand. She has $25 in expenses and wants to make at least $55 per day.
Novosadov [1.4K]

Hello!

Your answer is:

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2 years ago
Triangle ABC is reflected across the line y=2x to map onto triangle RST. Select all statements that are true.
Anettt [7]

The reflection transformation in the question is a rigid transformation,

therefore, the image and the preimage are congruent.

The statements that are true are;

  • <u>AB = RS</u>
  • <u>∠ABC ~ ∠RST</u>
  • <u>ΔABC = ΔRST</u>
  • <u>m∠BAC = m∠SRT</u>

Reasons:

The given parameter are;

Triangle ΔABC is reflected across the line 2·X, to map onto triangle ΔRST

Required:

To select the true statements

Solution:

A reflection is a rigid transformation, therefore, the distance between corresponding points on the image and the preimage are equal.

Therefore;

AB = RS

BC = ST

AC = RT

Given that the image formed by a reflection is congruent to the preimage, we have;

ΔABC ≅ ΔRST

∠ABC ≅ ∠RST

m∠ABC = m∠RST by the definition of congruency

∠BCA ≅ ∠STR

m∠BCA = m∠STR by the definition of congruency

∠BAC ≅ ∠SRT

m∠BAC = m∠SRT by the definition of congruency

Therefore, the true statements are;

  • <u>AB = RS</u>; Image formed by rigid transformation
  • <u>∠ABC ~ ∠RST</u>; Definition of similarity
  • <u>ΔABC = ΔRST</u>; By definition of congruency
  • <u>m∠BAC = m∠SRT</u>; by the definition of congruency

Learn more here:

brainly.com/question/11787764

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3 years ago
What is the slope of the line that has an equation of y = x - 3?<br><br> 3<br> 0<br> 1<br> -3
olga55 [171]
The slope of the line is m=1
3 0
3 years ago
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