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worty [1.4K]
3 years ago
15

The expression. 3(5^2 +2x+4)-4(4x^2 +2x+3) equals?

Mathematics
1 answer:
crimeas [40]3 years ago
8 0

Answer:

- x^2 - 2x

Step-by-step explanation:

3 ( 5x^2 + 4 + 2x) - 16x^2 -8x -12

15 x^2 + 12 + 6x - 16x^2 - 8x - 12

-x^2 - 2x

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Two stars are 7.644 x 1014 miles apart. Express this
vagabundo [1.1K]

Answer:

Multiply 1014 by 6.444 and you should get

Step-by-step explanation:

6534. 216 x

8 0
2 years ago
Need help asap please!!
Harrizon [31]

Answer:

v=46\\

Step-by-step explanation:

Simply:

-v=-46

8 0
3 years ago
Please help! Greatly appreciated sorry for really bad quality
Degger [83]
The first answer.

Point P is at (50,-40) the distance from Q to P is 80 units which you can find by subtracting the x of Q (-30) from the x of P (50).
50-(-30)=80
It then tells you point R is vertically above point Q so you know your x value for R will be the same as Q.
Add your distance from Q to P of 80 units to the y value of Q because you are traveling up.
-40+80=40
R will have a point of (-30,40) and a distance of 80 units
7 0
3 years ago
WILL GIVE BRAINLIEST!!
otez555 [7]

Answer:

$2553

Step-by-step explanation:

The chart has a pattern going up in fives

6 0
3 years ago
Read 2 more answers
write an equation in y=mx+b for a line that passes through (3,-4) & has a slope of -3. you can write it in point-slope and c
dedylja [7]
Y = -3x + b
Plug in point
-4 = -3(3) + b
-4 = -9 + b, b = 5
Solution: y = -3x + 5
5 0
3 years ago
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