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dangina [55]
3 years ago
7

How do I factor 5n^2 +19n+12

Mathematics
1 answer:
trapecia [35]3 years ago
3 0
I hope this helps you

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Evaluate square root of 16 minus x end root when x = 8.
My name is Ann [436]
\sqrt{16-x}
x=8
16-8=8
\sqrt{8}

Use a calculator to find the square root of 8.

7 0
3 years ago
Could someone pls explain logarithms to me ,l don't understand it at all.l think l am going to fail this subject.​
Bad White [126]

Answer:

In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.

Step-by-step explanation:

4 0
3 years ago
Paige earned $15.50 per hour. She received a 10% raise. Paige worked 10 hours at her new salary. How much did Paige earn?
PSYCHO15rus [73]

Answer:

C- $170.50

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
John and Emily are brother and sister. John has as many brothers as sisters, and Emily has twice as many brothers as sisters. Ho
spin [16.1K]

Answer:

4 boys, 3 girls

Step-by-step explanation:

brothers of John ⇒ x

sisters of John ⇒ y

John has as many brothers as sisters:

  1. x = y

brothers of Emily ⇒ x + 1 (Emily have the same amount of brother as John, plus one (John))

sisters of Emily ⇒ y -1 (Emily have the same amount of sister as John, minus one (herself))

Emily has twice as many brothers as sisters:

  1. 2 (y-1) = x+ 1

Now we have a system of 2 equations and 2 variables

x=y (I)

2y - 2 = x + 1 (II)

____________

Replace x in equation II

2y - 2 = y + 1

2y - y = 2 + 1

y = 3

____________

Replace y in equation I

x = y = 3

That mean that John have 3 brothers plus himself, there is 4 boys in the family and John have 3 sister, so there is 3 girls in the family

8 0
3 years ago
What is the combined weight of all the kittens
Aleksandr [31]
The answer is 5. If you do 3/8 x 4 you get 1.5, if you multiply 1/2 x 3 you get 1.5, if you do 1/4 x 3 you get .75 and if you do 5/8 x 2 you get 1.25. So, 1.5 + 1.5 + .75 + 1.25 = 5
6 0
3 years ago
Read 2 more answers
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