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kari74 [83]
3 years ago
5

Simplify the following: (9x - 7) - (5x + 10)

Mathematics
1 answer:
lianna [129]3 years ago
7 0
(9x - 7) - (5x + 10 )
2x - 15x
- 13x
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Look at the following sequence. 128, 320, 800, 2000, . . . If it is a geometric sequence, choose the common ratio. If it is not
OlgaM077 [116]

Answer:

It is a geometric sequence en the common ratio is: r=\frac{5}{2}.

Step-by-step explanation:

1. By definition, a geometric sequence is a sequence in which you obtain a term by multiplying the previous one by a common ratio.

2. The common ratio is obtained by dividing a term by its preceding term.

3. Keeping this on mind, you have:

\frac{320}{128}=\frac{5}{2}\\

\frac{800}{320}=\frac{5}{2}

\frac{2000}{800}=\frac{5}{2}

4. As you can see, the common ratio is \frac{5}{2}


3 0
3 years ago
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Daniel and Jack together sell 96 tickets to a raffle. Daniel sold 12 more tickets than his friend. How many raffle tickets each
Vlad1618 [11]

Answer:

Daniel sold 54 and Jack sold 42

Step-by-step explanation:

D = number of tickets that Daniel sold

J = number of tickets that Jack sold

D + J = 96

D = 12+ J

Substitute the second equation into the first equation

12 + J + J = 96

Combine like terms

12 + 2J = 96

Subtract 12 from each side

2J = 84

Divide by 2

J = 42

D = J+12

D = 54

Daniel sold 54 and Jack sold 42

7 0
3 years ago
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3) 25 students were surveyed at Salisbury Middle School about what activities they
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Answer:

500

Step-by-step explanation:

6 0
3 years ago
PLS I BEG! Help! Fractions! Put the fraction in order from least to greatest. Il lgive brainlist!
baherus [9]

Answer:

2a. 4/9 < 1/2 < 4/4

3a. 4/9 < 1/2 < 5/4

Step-by-step explanation:

8 0
3 years ago
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Tju [1.3M]

Step-by-step explanation:

Lets first find the remainder when p(x) is divided by x-2

p(2)=2(2)³+b(2)²+3(2)-5

p(2)=16+4b+6-5

p(2)=4b+17

Now let's find the remainder when q(x) is divided by x-2

q(2)=(2)³+(2)²-4(2)-b

q(2)=8+4-8-b

q(2)=4-b

Now let's equate both of them

4b+17=4-b

4b+b=4-17

5b=-13

b=-13/5 as required

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2 years ago
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