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boyakko [2]
3 years ago
5

6th grade math help me plzzzz

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0

Answer:

n=-3.1

Step-by-step explanation:

To solve this, first subtract 3 from both sides of the equation to get 2n=-6.2. Next, divide both sides of the equation by 2 n order to get the final answer of n=-3.1

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Please help! I'll give anyone who helps 10 points.
Lesechka [4]

Answer:

the bottom one b and c

Step-by-step explanation:

it goes at a steady rate of 2b=c

4 0
2 years ago
Seth invested a certain amount of money and got back an amount of $ 8400. If
kupik [55]

Answer:

$7700

Step-by-step explanation:

amount invested + interest = total

amount invested + 700 = 8400

Subtract 700 from both sides.

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Answer: $7700

5 0
3 years ago
If the ratio of surface areas of 2 similar figures is 144/25 ; What is the ratio of their volumes?
kkurt [141]

Answer:

1728/ 125

Step-by-step explanation:

The ratio of corresponding lengths  of the figures = ratio of the square root of their areas.

So ratio of lengths =  12/5.

Now volume is 3 dimensional  so the ratio is the cube  of the lengths

= 12^3/5^3

= 1728/ 125.

7 0
3 years ago
Find real or imaginary solutions of x^4-10x^2=-9
malfutka [58]
This resembles a quadratic and we can factor it using that pattern.

(x^2)^2-(10x^2)+9=0

(x^2-9)(x^2-1)

(x+3)(x-3)(x+1)(x-1)=0
6 0
3 years ago
Let g(x)= -7x + 4. Find the following <br> g(-5)
777dan777 [17]

Answer:g(-5)=39

Step-by-step explanation:plug -5 in for x and solve. -7*-5=35 35+4=39

8 0
3 years ago
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