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Dovator [93]
3 years ago
10

2. Which expression is equivalent to 3x(-4x² + 5x - 8) - 6(x² - 5x + 7)?

Mathematics
1 answer:
adoni [48]3 years ago
5 0
It is answer choice B. Using the distributive property, -12x^3+15x^2-24x-6x^2+30x-42. Then combine like terms.
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Find the area of the circle with a circumference of
Anton [14]

Answer:

706.50 mm^2

Step-by-step explanation:

The formula to find the circumference is 2πr (r : radius)

if the circumference is 30π the the radius is = 15

to find the area we use the following formula :

π*r^2

r = 15 and π is given as 3.14

(3.14)*15^2 = 706.50 mm^2

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2 years ago
Determine whether the formula describes y as a function of x. Explain your reasoning.. . y = -x
Alex17521 [72]
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3 years ago
Find the sum of 2x+1 and 5x
aliya0001 [1]

Hey!

This could be rewritten as:

2x + 1 + 5x

We can add like terms together:

7x + 1

5 0
3 years ago
Read 2 more answers
You have $60 and your sister has $120. you are saving $7 per week and your sister is saving $5 per week. how long will it take b
hodyreva [135]
Well if you have 60 and she has 120 i will set it out as a sequence week by week
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120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,205,210,215,220,225,230,235,240, 245,250,255,260,265,270
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4 0
3 years ago
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Five times the sum of 173 and 32
Ipatiy [6.2K]
Hello!
173 + 32 = 205
5 * 205 = 1025
4 0
3 years ago
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