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julsineya [31]
3 years ago
13

help? xD Multiply and simplify: 2a(5a2 + 3a – 17) A. 7a2 + 5a – 15 B. 7a3 + 5a2 – 15a C. 10a3 + 6a2 – 34a D. 10a2 + 6a – 34

Mathematics
2 answers:
Olenka [21]3 years ago
6 0
Th awnser is c . here is how i got it the awnser

Download docx
Doss [256]3 years ago
4 0
The answer is c. 10a3+6a2-34a hope it helps
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1 milileter = 2 meters simplest ratio
masya89 [10]

Answer:

I think at least 2000 millimeters would make up around 2 meters

Step-by-step explanation:

1000 milimeters = 1 meter

1000 x 2 = 2000 millimeters

6 0
3 years ago
PLEASE HELP ME ITS DUE TOMORROW!! THANKS!
leonid [27]
PART A
Change the fractions into improper fractions
pablo - rosa = 4 4/9 - 3 5/12
pablo - rosa = 40/9 - 41/12

Equalize the denominator of the fractions
I equalize them to 36. If the denominator 9 is multiplied by 4, so is the numerator. If the denominator 12 is multiplied by 3, so is the numerator.
pablo - rosa = 40/9 - 41/12
pablo - rosa = (40 × 4)/(9 × 4) - (41 × 3)/(12 × 3)
pablo - rosa = 160/36 - 123/36
pablo - rosa = 37/36

Change it to mixed fraction
pablo - rosa = 37/36
pablo - rosa = 1 1/36

Pablo has 1 1/36 quarts more than Rosa

PART B
Calculate the iced tea Pablo gave to Rosa
Change into proper fraction/improper fraction
iced tea given = 15% × 4 4/9
iced tea given = 15/100 × 40/9
iced tea given = 600/900
iced tea given = 2/3

Calculate Pablo's iced tea after giving
Pablo's = 40/9 - 2/3
Pablo's = 40/9 - (2 × 3)/(3×3)
Pablo's = 40/9 - 6/9
Pablo's = 34/9
Pablo's = 3 7/9

Calculate Rosa's iced tea
Rosa's = 41/12 + 2/3
Rosa's = 41/12 + (2 × 4)/(3 × 4)
Rosa's = 41/12 + 8/12
Rosa's = 49/12
Rosa's = 4 1/12

Pablo has 3 7/9 quarts and Rosa has 4 1/12 quarts
6 0
3 years ago
Help find the surface area of a cylinder with the height of 9 inches and base radius of 4
dybincka [34]

9514 1404 393

Answer:

  104π in² ≈ 326.7 in²

Step-by-step explanation:

Put the given numbers in the surface area formula for a cylinder.

  SA = 2πr(r +h)

  SA = 2π(4 in)(4 in +9 in) = 104π in² ≈ 326.7 in²

3 0
3 years ago
Read 2 more answers
Christian is going to invest $310 and leave it in an account for 20 years. Assuming the interest is compounded daily, what inter
Artist 52 [7]

Answer:

r=5.86%

Step-by-step explanation:

5 0
3 years ago
Factors of 130 with an exponent
xz_007 [3.2K]
130 =

2 *  5  *  13

The prime factors are 2, 5, and 13.

No prime factors are used more than once.

The only exponents to write might be the understood 1.

130 = 2^1  *  5^1  *  13^1
4 0
3 years ago
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