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leva [86]
4 years ago
10

What is the product? (5r + 2) (3r -4)

Mathematics
1 answer:
Tanzania [10]4 years ago
7 0

Answer:

15r² - 14x - 8

Step-by-step explanation:

  1. 5x * 3x = 15x²
  2. 5x * -4 = -20x
  3. 2 * 3x = 6x
  4. 2 * -4 = -8

Now add your products,

15x² + -20x + 6x + -8 = 15x² - 14x - 8

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If it takes a planet 5 years to orbit the Sun, how long (in years) will it take the planet to go all the
Mazyrski [523]

Answer:

230 million years

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Which sequences are geometric? Check all that apply.
zhenek [66]

Answer:

The sequences which are geometric are

16,-8,4,-2,1

625,125,25,5,1

-15,-18,-21.6,-25.92,-31.104

Step-by-step explanation:

Geometric sequences are ones in which you multiply or divide to get the next terms in the sequence.

Cheers

7 0
3 years ago
Which expression represents the height of the triangular base of the pyramid?
coldgirl [10]
The angle in the triangle = 60 degrees 

so  tan 60  = h / (1/2) s =  2h /s
sqrt3 = 2h / s

h =   sqrt3 s / 2


B is the correct choice
8 0
3 years ago
Read 2 more answers
the sum of the digits of a two-digit number is 14. the first digit is 4 less than twice the second digit. what is the number
Blizzard [7]

Answer:

86

Step-by-step explanation:

t = ten's digit    u= one's digit

t + u = 14            t = 2u - 4

In the first equation substitute for t 2u - 4 that we find in the second equation above.

t + u = 14

2u - 4 + u = 14  Combine the u's

3u - 4 = 14  Now add 14 to both sides

3u = 18  Divide both sides by 3

u = 6.  We found the unit's digit, now we will find the ten's unit by plugging in 6 for u in the first equation above.

t + u = 14

t + 6 = 14  Subtract 6 from both sides

t = 8

So, your answer is 86.

5 0
3 years ago
Miguel bought a car for 4,700 dollars. he made a down payment of 19 1/2 %. money is rounded to the nearest hundredth. how much w
lianna [129]

Answer:

$916.50

$3,783.50

Step-by-step explanation:

down payment:

4700 x .195 = $916.50

still owed:

4700 - 916.5 = $3,783.50

3 0
3 years ago
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