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taurus [48]
3 years ago
13

Factor j^2– 13j + 42.​

Mathematics
1 answer:
Karolina [17]3 years ago
7 0

Answer:

(J-7)(J-6)

Step-by-step explanation:

=j^2– 13j + 42.

=j^2– 6j-7J + 42.

=J(J-6) - 7( J-6)

=(J-7)(J-6)

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The math team has 11 boys, 10 girls, and 1 coach. What is the ratio of coach to students?
love history [14]

Answer: 1:21

Step-by-step explanation:

We know that if they say students they mean both boys and girls so we add 11 and 10 to make 21 and since its, (COACH,) and then student we do 1:21 and not 21:1!

7 0
4 years ago
Read 2 more answers
What is the simplified form of the following expression?
geniusboy [140]

Answer:

242

Step-by-step explanation:

Simplify the following:

11 ((9^2 - 5^2)/2^2 + 8)

Hint: | Evaluate 2^2.

2^2 = 4:

11 ((9^2 - 5^2)/4 + 8)

Hint: | Evaluate 5^2.

5^2 = 25:

11 ((9^2 - 25)/4 + 8)

Hint: | Evaluate 9^2.

9^2 = 81:

11 ((81 - 25)/4 + 8)

Hint: | Subtract 25 from 81.

| 7 | 11

| 8 | 1

- | 2 | 5

| 5 | 6:

11 (56/4 + 8)

Hint: | Reduce 56/4 to lowest terms. Start by finding the GCD of 56 and 4.

The gcd of 56 and 4 is 4, so 56/4 = (4×14)/(4×1) = 4/4×14 = 14:

11 (14 + 8)

Hint: | Evaluate 14 + 8 using long addition.

| 1 |  

| 1 | 4

+ | | 8

| 2 | 2:

11×22

Hint: | Multiply 11 and 22 together.

| 2 | 2

× | 1 | 1

| 2 | 2

2 | 2 | 0

2 | 4 | 2:

Answer: 242

3 0
3 years ago
Is the answer 200? Or 4.5??? Or is none ? I don't know it's confusing :/ can I get help :/
skelet666 [1.2K]
Let x = the number of penguins we are finding

x ÷ 100 × 30 = 15
x = 15 ÷ 30 × 100
x = 50

hope this helps and have a great day :)


6 0
3 years ago
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marin [14]

Answer:

0,0

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
PLEASE HELP !!
soldi70 [24.7K]

Answer:

A

Step-by-step explanation:

this is because a range is simply a collection of numbers that can be found in the domain

and since there is no domain, we assume that the numbers are all in the domain

leading us to our answer a

4 0
3 years ago
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