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Advocard [28]
3 years ago
15

Helpppppppppp meeeeeeeee

Mathematics
2 answers:
garri49 [273]3 years ago
8 0

Answer: 20

Step-by-step explanation:

To solve this problem, we need to use the order of operations.

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

\frac{1}{5}(6+3+1)^2             [parenthesis]

\frac{1}{5}(10)^2                        [exponent]

\frac{1}{5}(100)                       [multiply]

20

Now, we know the answer is 20.

andrezito [222]3 years ago
4 0

Answer: 20

Step-by-step explanation:

= 1/5 (10)^2

= 1/5 * 100

= 20

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how would you multiply negative numbers? or negative fractions for example -12 x 12 is what and please explain good
galina1969 [7]

Answer:-12 x 12 =- 144.

What you do is multiply regularly then add the negative sign, but if your multiplying  2 negatives it’s a positive answer. I cant help with the Fractions caz I’m not good at them lol .

7 0
3 years ago
IF a= 6 and b= 7, then 4a(3b+5) + 2b =?
lukranit [14]

Answer:

64

Step-by-step explanation:

4a(3b+5)+2b

Substitution

4(6)[3(7)+5]+2(7)

Order of operations (PEMDAS)

4(6)[21+5]+2(7)

4(6)+26+2(7)

24+26+14

50+14

64

Hope this helps. Have a nice day. May it be filled with joy and happiness. Please, be safe and wash your hands. Happy Holidays.

3 0
3 years ago
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The lines represented by the equations 12y – 8x = -72 and y = 2/3 x – 3
klasskru [66]

Answer:

They are parallel

Step-by-step explanation:

Same slope but different y-intercept

5 0
2 years ago
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7x/2+5=8<br><br> solve for x
ANEK [815]

Answer:

X= 6/7

Step-by-step explanation:

4 0
3 years ago
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If x-3 is a factor of x3+4x2+kx-30.Find the value of k.​
Bogdan [553]

Answer:

k=-11

Step-by-step explanation:

x^{3}+4x^{2}+kx-30

if x-3 is a factor,

(3)^{3}+4(3)^{2}+k(3)-30=0\\27+4*9+3k-30=0\\27+36+3k-30=0\\33+3k=0\\3k=-33\\k=-11

3 0
3 years ago
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