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vesna_86 [32]
3 years ago
13

4.5x + 1.25=12.5 what is x?

Mathematics
1 answer:
Otrada [13]3 years ago
3 0
The answer is actually x=2.5

Step by step:

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3x=6y. i need help to turn that into y-intercept form and find tge y intercept. Help please
evablogger [386]
3x = 6y

to get this into slope-intercept form, you simply need to solve for y. remember that slope-intercept form is y = mx + b, where m is your slope and b is your y-intercept.

3x = 6y ... divide both sides by 6
1/2x = y
y = 1/2x is your equation in slope-intercept form. because no "b" value is present, your intercept will simply be 0.
8 0
3 years ago
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(8a + 3) + (a + 2)
Ierofanga [76]
The answer is 9a+5. All you have to do is combine like terms:)
4 0
3 years ago
Help pleaseeeeeeeeeeee
forsale [732]
A straight line is 180°.

The sum of all the angles in a triangle is also 180°.

Let the missing angle be x°.

For the straight line:
x + 2x²+ 3x+ 6 = 180

x = 180 - (2x² + 3x + 6)

x = 180 - 2x² - 3x - 6

x = 174 - 2x² - 3x

For the missing angle in the triangle:
(174 - 2x² - 3x) + 8x + 3x² - 6x = 180

174 - 2x² - 3x + 8x + 3x² - 6x = 180

174 + x² - x = 180

x² - x + 174 - 180 = 0

x² - x - 6 = 0

(x + 2)(x - 3) = 0

x + 2 = 0 or x - 3 = 0
x = -2 or x = 3


The answer is x = -2 or x = 3
5 0
3 years ago
Read 2 more answers
Who do whales go to see when they need their teeth fixed?<br> (this is for my math 5.3 puzzle time)
julsineya [31]

Answer:

i think it's an orca-dontist

Step-by-step explanation:

not sure tho i remember that joke from somewhere, math page jokes are always cringey

hope that helps :)

6 0
3 years ago
HELP ASAP AND GET 20 POINTS!!!
madam [21]

Answer:

A

Step-by-step explanation:

point H is the point of intersection of the perpendicular bisectors of the triangle's sides and is the circumcentre.

5 0
2 years ago
Read 2 more answers
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