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kifflom [539]
3 years ago
8

What is the scale factor of the dilation between ΔABC and ΔA'B'C'?

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0

Multiply the 2 scale factors together:

1/3 x 3/2 = 3/6 = 1/2

The answer is B. 1/2

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write and solve an equation to show thw average number of calendars her 3rd period class sold peer week during the four week cha
kari74 [83]
If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):
x =  \frac{89}{4}

If you solve it, you get:
22 \frac{1}{4}

Which is equal to 22.25. Hope this helps!
5 0
3 years ago
Evaluate 7+5^2*4 <br> Algebra 1
vagabundo [1.1K]

Hi there!

<em><u>Answer:</u></em>

<em><u>=107</u></em>

<em><u>*The answer must have a positive sign.*</u></em>

Step-by-step explanation:

<h2><u>Lesson: Order of operations</u></h2>

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

It can also go left to right.

First, you do exponents.

5^2=5*5=25

7+25*4

Then, you multiply from left to right.

25*4=100

Finally, you add from left to right.

100+7=107

I hope this helps you!

Have a nice day! :)

-Charlie

8 0
3 years ago
Read 2 more answers
Multiply. Express your answer in standard form.(x^2-4x+3)(-3x^2+7x-1)
Yakvenalex [24]

Answer:

-3x^4 + 5x^3 - 33x^2 + 25x - 3

//Hope it helps and it's right.

7 0
3 years ago
How many ways can one rearrange the letters in the word circumference to form a string of 13 letter strings or words sensible or
Varvara68 [4.7K]
25 i think, i just used an anagram server to generate it
4 0
3 years ago
4.5 x 10^16 molecules of carbon dioxide are equal to how many moles?
IgorC [24]

Step-by-step explanation:

1 mole of any substance = 6.022 * 10²³ molecules.

Number of moles of CO2

= (4.5 * 10¹⁶)/(6.022 * 10²³)

= 0.75 * 10^(-7)

= 7.5 * 10^(-8) mol.

6 0
3 years ago
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