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IrinaK [193]
2 years ago
7

Somebody pls help I have a math finals tomorrow it is 11:30 pm and I can't sleep because I am so nervous and worried

Mathematics
2 answers:
nadezda [96]2 years ago
8 0
Get a good breakfast!!! Make sure you go to bed. And always drink water
viktelen [127]2 years ago
5 0

You'll do just fine, just make sure to study and have some sleep, okay?

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Factorise fully 3x-9x^2
artcher [175]

Answer:

3x(1 - 3x)

Step-by-step explanation:

We can factor the expression by using the common factor.

Pull out 3x from the expression.

3x - 9 {x}^{2}  \\ 3x(1 - 3x)

Common Factor is similar to dividing by the term we pull out. When we pull out the term, we divide the whole expression and keep the term out of the expression.

6 0
3 years ago
Solve the equation. show all work.<br><br> 3x - 10 = 5x + 22
inysia [295]
<span>Simplifying 3x + 10 = 5x + 22 Reorder the terms: 10 + 3x = 5x + 22 Reorder the terms: 10 + 3x = 22 + 5x Solving 10 + 3x = 22 + 5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x' to each side of the equation. 10 + 3x + -5x = 22 + 5x + -5x Combine like terms: 3x + -5x = -2x 10 + -2x = 22 + 5x + -5x Combine like terms: 5x + -5x = 0 10 + -2x = 22 + 0 10 + -2x = 22 Add '-10' to each side of the equation. 10 + -10 + -2x = 22 + -10 Combine like terms: 10 + -10 = 0 0 + -2x = 22 + -10 -2x = 22 + -10 Combine like terms: 22 + -10 = 12 -2x = 12 Divide each side by '-2'. x = -6 Simplifying x = -6</span>
5 0
3 years ago
A right triangle has one angle that measures 69º. What is the measure of the other acute<br> angle?
gavmur [86]

Answer:

21°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

subtract the sum of the 2 given angles from 180 for the other angle

other angle = 180° - (90 + 69)° = 180° - 159° = 21°

6 0
3 years ago
4/8+2/6 please<br><br> like really<br> pls
evablogger [386]
Here is the correct answer along with the way i got it! I hope this helps :)

5 0
3 years ago
What is the area of a circle with the diameter of 90?
Tomtit [17]

Answer:

6,358.5‬

Step-by-step explanation:

A=πr²

A=3.14 × 45²

A=3.14 × 2,025‬

A= 6,358.5

Sorry if its wrong

7 0
3 years ago
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