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Vesnalui [34]
3 years ago
10

Which answer describes the type of sequence? 99,89.9,78.8,68.7,.

Mathematics
2 answers:
morpeh [17]3 years ago
7 0

Answer:

geometric

Step-by-step explanation:

12345 [234]3 years ago
6 0

Answer:

Neither arithmetic nor geometric

Step-by-step explanation:

Since 99-89.9= 9.1, and 89.9 - 78.8 = 11.1, the sequence is not arithmetic.

Likewise 89.9/99=0.908 and  78.8/89.9 = 0.876 makes it not a geometric sequence

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(x+4) (x+7) find product<br>​
nataly862011 [7]

Answer:

x2+11x+28    

Step-by-step explanation:

Thus, (x+7)(x+4) multiplies out to x2+4x+7x+28, which can be simplified to        

                                                     x2+11x+28

6 0
3 years ago
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oee [108]

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cleetus

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3 years ago
Line___is a transversal.
iVinArrow [24]

Answer:

C

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4 0
3 years ago
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Aleonysh [2.5K]

Answer: D) 10 jerseys

Step-by-step explanation:

Let j represent the number of jerseys and C for total cost

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Online company eqn: C = 7.75j + 20

Set both sides equal to solve:

5.25j + 45 = 7.75j + 20

5.25j - 7.75j = 20 -45

- 2.5j = -25

\frac{-2.5j}{-2.5}=\frac{-25}{-2.5}

j = 10

Therefore, the cost is the same for both companies when 10 jerseys are sold

6 0
2 years ago
At a rock concert, the ratio of girls to boys is 3:7. If there are 360 more boys than girls, how many girls are at the concert?
bixtya [17]
You could understand the ration as parts: the total number of parts was 3+7=10.

So girls were 3/10 parts and boys 7/10 parts. The difference was 7-3=4 parts. this difference is equal to 360, so each part is 90 (4*90 =360).

so girls are "3 parts" and each part is 90, then the number of girls is 3*90=270.
4 0
3 years ago
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