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sveticcg [70]
4 years ago
12

Write the quadratic equation in general form then choose the value of “b”.

Mathematics
1 answer:
Sonbull [250]4 years ago
8 0

Answer:

Write the quadratic equation in general form then choose the value of “b”.  

(2x-1)(x+5)=0

<u>A.)9</u>

B.)10

C.)11

Step-by-step explanation:

Expand (2x-1)(x+5)

Which is 2x^{2} +9x-5

ax^{2} +bx+c\\

So the value of B is 9

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Frank and his mom are planting vegetables in their garden. Frank has finished planting 8 rows of carrots so far and is planting
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Answer:

It will take 3 hours. They will both have completed 11 rows.

Step-by-step explanation:

1 row of carrots per hour = frank

3 rows of tomatoes per hour = frank's mom

right now, this is how many they have completed

frank - 8 rows

mom - 2 rows

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f - 9

m - 5

2nd hour

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3rd hour

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8 0
2 years ago
Consider the sequence 8, 14, 20, 26, . . .. (a) What is the next term in the sequence? 2.2 Exercises 98 (b) Find a formula for t
omeli [17]

Answer:

Step-by-step explanation:

Each term of the given arithmetic sequence is 6 more than the previous one.  Thus, the next term is 26+6, or 32.

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3 0
3 years ago
There are some monkeys in the zoo. 60% are young monkeys and the remaining are baby and old monkeys. The ratio of baby monkeys t
USPshnik [31]

Answer:

There are 60 monkeys in the Zoo

Step-by-step explanation:

In this question, we are asked to calculate the number of monkeys in a Zoo given some information to use.

Let’s have the total number of monkeys be m.

60% are going monkeys. This means number of young monkeys is 0.6m.

The number of baby and old monkeys is obviously 0.4m.

Ratio of baby to old monkeys is 3:1. This means if we splitter 0.4m into 4, number of baby monkeys is 0.3m while number of old monkeys is 0.1m

Now, subtracting the number of baby monkeys from young monkeys give a total of 18 monkeys.

Let’s project this mathematically;

This means ;

0.6m - 0.3m = 18

0.3m = 18

m = 18/0.3

m = 60

There are 60 monkeys in the zoo

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I think that is is 8.3, but I could be incorrect!
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iragen [17]

Hello from MrBillDoesMath!

Answer:             5n - 2  

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Thank you,

MrB

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3 years ago
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