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Alekssandra [29.7K]
3 years ago
13

I need help on question 12 asap!! My assignment is due in 20 minutes and I still got other problems to solve.

Mathematics
1 answer:
Lorico [155]3 years ago
4 0
$2.27:) hope this helps!!
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Simplify.<br><br> ∣∣−14∣∣<br><br> −4<br><br> −14<br><br> 14<br><br> 4
nadya68 [22]

Answer:

4

Step-by-step explanation:

It becomes positive and stays positive

7 0
3 years ago
Simplify-<br> 9 (1 - r) + 3r
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

Hello

Simplify :

9 (1 - r) + 3r

= 9 - 9r + 3r

= 9 - 6r

= 3(3 - 2r)

8 0
3 years ago
Write the standard form of the line that passes through (-1,-3) and (2,1)
Pie
Answer:

5 =  - 2x - y
To find this you must find the slope first:
\frac{y - y1}{x - x1}
which is, after performing some calculating is -2.

Next you need to set up your eqaution:
y - y1 = m(x - x1)
when you set it up, and substitute the variables for your slope and points you should get this:
y - ( - 3) =  - 2(x - 1)
y + 3 =  - 2x - 2
add 2 to both sides
y + 5 =  - 2x
subtract y from both sides
5 =  - 2x - y



6 0
3 years ago
On a circle, which of these is not a straight line?
Y_Kistochka [10]

Answer:

circumference

Step-by-step explanation:

it's a circle

6 0
3 years ago
Show that (a + b) (a + b)²=a³+ 3a²b+3ab²+b³
mash [69]

Step-by-step explanation:

(a+b)(a+b)² = (a+b)(a²+2ab+b²)

=a(a²+2ab+b²) + b(a²+2ab+b²)

= a³+2a²b+ab² + a²b+2ab²+b³

=a³+2a²b+ a²b+ab² +2ab²+b³

=a³+3a²b+3ab²+b³

7 0
3 years ago
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