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WINSTONCH [101]
3 years ago
12

I REALLY NEED HELP.... PLEASE

Mathematics
1 answer:
kap26 [50]3 years ago
6 0

Answer:

Step-by-step explanation:

quadrado de 8 + quadrado de 5 = 64 + 25 = 89

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Solve the equation:<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B21%20-%204x%7D%7B9%7D" id="TexFormula1" title="\frac{21 - 4x
schepotkina [342]

Answer:

x = -\frac{12}{5}

Step-by-step explanation:

To solve the equation, isolate x. Whatever you do to isolate x one on side, you must do to the other.  

1) Multiply both sides by 9 to get rid of the fractions.  

\frac{21-4x}{9} +\frac{8x+15}{3} = 2 \\21-4x + 3(8x + 15) =18 \\

2) Distribute the 3 to 8x and 15. Then, combine like terms.

21-4x + 24x + 45 = 18 \\66 + 20x = 18

3) Move the 66 to the other side, subtracting 18 by 66, then divide each side by 20 to finally isolate x.

20x = -48\\x = -\frac{48}{20} \\x =- \frac{12}{5}

Thus, x = -\frac{12}{5}.

3 0
3 years ago
I WiLl DuB ThE BrAiNlIeSt : Simplify the equation: answer to: 3[2(8-2*4)+25/5]-5[2(8/4*2)-7(7-2*3)] Answer right and get Brainli
Delicious77 [7]

Answer:

10

Step-by-step explanation:

3[2(8-2*4)+25/5]-5[2(8/4*2)-7(7-2*3)]

3[2(8-8)+25/5]-5[2(2*2)-7(7-6)]

3[2(0)+5]-5[2(4)-7(1)]

3[0+5]-5[8-7]

3[5]-5[1]

15-5

10

5 0
3 years ago
Complete the point- slope equation of the line through (8, -8 and (9, 8). Y - 8 =
valkas [14]
The point slip form would be: y+8=16(x-8). Not sure if that’s what you were looking for.
8 0
3 years ago
The product of two negative integers is 36. The second integer is 5 more than the first. Find the integers.
Finger [1]
-13 -23 because divide by two then add five and subtract 5
8 0
3 years ago
Solve for d. -5d – 16d + -14d + 8d – -13d = -14
gizmo_the_mogwai [7]
-5d – 16d + -14d + 8d – -13d = -14
-5d-16d-14d+8d+13d=-14
-21d-14d+8d+13d=-14
-35d+8d+13d=-14
-27d+13d=-14
-14d=-14
÷-14 both sides
d=1
4 0
3 years ago
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