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ddd [48]
3 years ago
6

Simplify: 3x2 - 27 Helppppp

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0
3x^2- 27 … you divide the whole thing by 3 to get x^2- 9 and that’s the furthest you can simplify
You might be interested in
Find the measure of the missing angles. WILL GIVE BRAINLIEST
Ivahew [28]
D = 90
This is because any line is equal to 180 degrees, we see that d is situated on a line that continues into another angle, the other angle is 90 degrees, so we minus 90 from 180, to get 90.

E = 99
E is situated on a line with the other angle F, F = 81 (see below) so we minus 81 from 180


F = 81
F is situated on a line, we minus it from the other angle situated on the same line, so we minus 99 from 180to get 81

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.
5 0
3 years ago
Answer the question<br> If you're right I'll MARK YOU BRAINLIEST!!
natka813 [3]

Answer:

2x\sqrt{40x}-2x\sqrt{5}

Step-by-step explanation:

2x\sqrt{40x}-2x\sqrt{5} is found by first, siplifying the radicals in the parenthesis. \sqrt{8x^{2} } can be simplified as 2x\sqrt{2} and -2\sqrt{x} stays the same. Now we have to multiply these two by \sqrt{5x} which then results in 2x\sqrt{40x}-2x\sqrt{5}

4 0
3 years ago
Graph y = 3x - 3 and label the x- and y-intercepts. My answer: (0,3)
Lesechka [4]
The slope-intercept form of the linear function is y = m x + b , where m is the slope and b is y-intercept.
Here we have: y = 3 x - 3
a ) When y = 0
0 = 3 x - 3
- 3 x  = - 3
x = ( - 3 ) : ( - 3 ) 
x = 1
When x = 0
y = 3 * 0 - 3 
y = - 3
So x - intercept is ( 1, 0 ) and y-intercept is ( 0, - 3 ).
b ) The slope:
m = ( y2 - y1) / ( x2 - x1 ) = 
= ( - 3 - 3 ) / ( 5- 7 ) = ( - 6 ) /( - 2 ) = 6 / 2 = 3
Answer: The slope m = 3 . 
5 0
3 years ago
The function d(x)=1375-110 represents the distance a high speed train is from its destination after x hours. How long does the t
aalyn [17]
D(x)=1375-110x
when it reaches 0 it has reached destination
0=1375-110x
add 110x to both sides
110x=1375
divide both sides by 110
x=12.5
answer is 12.5 hour
6 0
4 years ago
Can y’all also show me how to do this so I won’t have to come back here for help plz
Igoryamba

Answer:

the value of x = 56

Step-by-step explanation:

if both are similar figures, then ratio of their

sides will be constant , so

=》14 / 17 = x / 68

=》14 / 17 × 68 = x

=》14 × 4 = x

=》x = 56

hence, value of x = 56.

i hope you got it.

8 0
3 years ago
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