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Natalka [10]
3 years ago
11

HELP ME ! beautiful people that are good at math

Mathematics
1 answer:
ANTONII [103]3 years ago
8 0
-3(-4y+3) +7y
Expand
12y-9+7y
Add like terms
19y-9
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Helpppppppp
wel
The hypotenuse can be solved by this formula. X^2 = 6^2 +6^2

X^2=64
Usually you cut it down to 8 but it wants the squared form so 64.
6 0
3 years ago
Need help asap!!<br> First right answer will get brainliest
aleksklad [387]

answer:

B and C are correct.

explanation:

\hookrightarrow \sf x^2-5x+5  where ax² + bx + c

\\ Thus we can determine a = 1, b = -5, c = 5 \\

using quadratic equation:

\rightarrow \sf x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{2a} \ \  when \  \ ax^2 + bx + c = 0

\hookrightarrow \sf x_{1,\:2}=\dfrac{-\left(-5\right)\pm \sqrt{\left(-5\right)^2-4\cdot \:1\cdot \:5}}{2\cdot \:1}

\hookrightarrow \sf  x=\dfrac{5+\sqrt{5}}{2},\:x=\dfrac{5-\sqrt{5}}{2}

4 0
3 years ago
Read 2 more answers
I don’t know. I think I’m doing something wrong. Answer the highlighted questions and show work.
pentagon [3]

12) -5k - 19 = 5 - 13k

-5k = 24 - 13k

8k = 24

k = 3


14) -15n + 16 = 86 - 29n

-15n = 70 - 29n

14n = 70

n = 5


16) 13 - 3p = -5(3 + 2p)

13 - 3p = -15 - 10p

-3p = -28 - 10p

7p = -28

p = -4


18) 14a - 93 = 49 - 57a

14a = 142 - 57a

71a = 142

a = 2


20) 8v = 2(4v + 2)

8v = 8v + 4

No solution


22) 2(-4h - 13) = 37 + 13h

-8h - 26 = 37 + 13h

-8h = 63 + 13h

-21h = 63

h = -3


24) 11n - 3 = 9 + 5n

6n = 12

n = 2


26) -9n - 12 = 8 - 4n

-5n - 12 = 8

-5n = 20

n = -4

6 0
3 years ago
5/-8 devided by 1 3/7
Harrizon [31]

The Answer is -0.4375

6 0
3 years ago
Read 2 more answers
Find the slope of the line given the table of values?
wariber [46]

Answer:

2/-3

Step-by-step explanation:

(y1 - y2)/(x1 - x2) = (-6 - (-8))/(1 - 4) = 2/-3

4 0
4 years ago
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