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Anton [14]
3 years ago
12

4. PO

Mathematics
1 answer:
Blizzard [7]3 years ago
6 0

Answer:

She has 44 stamps left

Step-by-step explanation:

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What is the product? (5r + 2)(3r − 4)
Anarel [89]
Distribute the first set of parenthesis 

<span><span>15<span>r<span><span>​2</span><span>​​</span></span></span>−20r+6r−8</span><span>
Combine like terms

</span><span><span>15<span>r<span><span>​2</span><span>​​</span></span></span>+(−20r+6r)−8</span><span>
Simplify your answer

</span><span>15<span>r<span><span>​2</span><span>​​</span></span></span>−14r−8

*Answer is </span>15r^2​​−14r−8*<span><span>
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6 0
3 years ago
Given f(x)= 3x^2-5x+2 and g(x)= 4x- 6, find f(x)+g(x).
kirill115 [55]

f(x) = 3x² - 5x + 2

g(x) = 4x - 6


f(x) + g(x)


(3x²- 5x + 2) + (4x - 6)

3x² - 5x + 2 + 4x - 6

3x²- 5x + 4x + 2 - 6

3x² - x - 4

8 0
3 years ago
12. In a certain cafe, all the sandwiches and drinks are priced the
kakasveta [241]

The cost of one sandwich is $3.90

The cost of one deknk is $1.50

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7 0
2 years ago
40 POINTS!!!!! A submarine descends to 1/6 of its maximum depth. Then it descends another 2/3 of its maximum depth. If it is now
tia_tia [17]
Its max is 780

2/3 + 1/6 = 5/6

650/5=130

650+130=780
4 0
3 years ago
One ounce is approximately 28.3 grams. Write a direct variation equation that relates x ounces to y grams.
Dmitry_Shevchenko [17]

Answer:

15 oz

Step-by-step explanation:

5 0
3 years ago
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