4 years ago

How do you do these?

Mathematics

1 answer:

Shtirlitz [24]4 years ago

8 0

Get the variable value alone.

#4 subtract 4 on both sides

To get rid of a fraction you multiply by the denominator.

-4(5)=n

-20=n

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Help me with this quick pleaseeeee

melisa1 [442]

Answer:

D' = ( 1 , -1 )

Step-by-step explanation:

2 times 1/2 = 1

-2 times 1/2 = -1

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3 0

3 years ago

Add 7 3/10+4 4/15. Simplify the answer and write it as a mixed number.

aev [14]

Answer:

⟾ $11 \frac{17}{30}$

Step-by-step explanation:

⟾ $7 \ \frac{3}{10} + 4 \ \frac{4}{15}$

⟾ $\frac{73}{10} + \frac{64}{15}$

⟾ $\frac{219 +128 }{30}$

⟾ $\frac{347}{30}$

Now write as mixed fraction,

⟾ $11 \ \frac{17}{30}$

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5 0

3 years ago

262.5=10.5x+24x<br> How can I solve this?

fgiga [73]

Answer:

x=7.608696

Step-by-step explanation:

Simplify both sides of the equation.

262.5=10.5x+24x

262.5=(10.5x+24x)(Combine Like Terms)

262.5=34.5x

Step 2: Flip the equation.

34.5x=262.5

Step 3: Divide both sides by 34.5.

34.5x

34.5

262.5

34.5

x=7.608696

3 0

4 years ago

during a class election the ratio of students who voted for cqndidate A compared to candidate B was 10:7 if candidate A received

natima [27]

The combined amount of votes candidate A and candidate B received is 5 : 2.

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3 years ago

2px3qx5r someone answer please

marissa [1.9K]

Answer:

$2pqrx^8$

Step-by-step explanation:

Hope this helps!

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3 years ago