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3 years ago

Which transformations could have taken place to map △ABC to △A"B"C"?

Mathematics

2 answers:

Dmitriy789 [7]3 years ago

7 0

Answer:

C. A translation and a dilation

Step-by-step explanation:

Of course it has to be a dilation as the size is obviously different. So that takes D out of the question. The angles are in the same spots as B is still at the highest on both triangles and so does A. Which means it just translated (moved/slide) to the right and up a bit.

4vir4ik [10]3 years ago

4 0

The answer is C. A translation and a dilation

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A dump truck brought 1⁄3 of a ton of rock on the first trip, 1⁄2 of a ton on the second trip, but on the third trip, had to take

Allisa [31]

Answer:

1/30 of a ton

Step-by-step explanation:

Write this as an expression:

1/3 of a ton and 1/2 of a ton were taken to the site.

4/5 of a ton were remove from the site.

Amount of a ton at the site = $\frac{1}{3}+ \frac{1}{2}- \frac{4}{5}$

Solve the equation by finding common denominators (when the bottom numbers are the same).

$(\frac{1}{3}+ \frac{1}{2})- \frac{4}{5}$ Focus on the first part. The least common multiple (LCM) of 3 and 2 is "6", which will become the denominator.

For 1/3 to become ?/6, multiply top and bottom by 2.

For 1/2 to become ?/6, multiply top and bottom by 3.

$(\frac{2}{6}+ \frac{3}{6})- \frac{4}{5}$

Now we can add the numerators together over the same denominator.

$\frac{5}{6}- \frac{4}{5}$

Do the same thing as before and change the denominators. The LCM of 6 and 5 is "30".

For 5/6 to become ?/30, multiply top and bottom by 5.

For 4/5 to become ?/30, multiply top and bottom by 6.

$\frac{25}{30}- \frac{24}{30}$

Subtract the numerators:

$\frac{1}{30}$ Answer in tons

Therefore there was 1/30 of a ton of rock left at the construction site.

7 0

3 years ago

Read 2 more answers

WILL MAKE BRAINLIEST write the slope intercept form of the equation of each line

olga nikolaevna [1]

Um I think it would be c

4 0

3 years ago

Read 2 more answers

Help PLZZ no files

Mashutka [201]

Answer:

Why?

Step-by-step explanation:

"Jessica's teacher asked her to create a "histogram" representing students and cell phone use."

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8 0

3 years ago

Should this be labeled as non-linear? If not, what is the rate of change? Please show your work, I’m very confused.

il63 [147K]

Answer:

This is not linear.

Step-by-step explanation:

<h2>As you can see the difference between x and y decreases the higher we go.</h2>

5 0

3 years ago

Question 6 :

JulijaS [17]

Answer:

$5.67

Step-by-step explanation:

$5.67

Markup refers to the amount added to the cost price to cover overheads and profit. So for example a 50% markup on a $10 product would mean adding 50% of $10 onto the sale price. As fractions can be written as decimals (50% = 0.5) and we are adding on the amount of markup to the initial cost we can also phrase this as 10 x 1.5 = 15

For your question, the markup would become 1.1 and the initial cost is 2.7, remembering we must add 1 to the markup to cover the initial cost

2.7 x 2.1 = 5.67

6 0

3 years ago