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3 years ago

How can using properties help you to simplify expressions?

1 answer:

4 0

Well,properties can help you because you can shorten or make an equation more understandable, like using distributive property in the example 2(5x-3), you can rewrite it as 10x-6. See?

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24 is what percent of 12?<br><br> need help? anyone know this?

melamori03 [73]

Answer:

200

Step-by-step explanation:

6 0

3 years ago

Solve the equation. 5(x + 4) = 70 18 14 –6 10

skelet666 [1.2K]

Assignment: $\bold{Solve \ Equation: \ 5\left(x+4\right)=70}$

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Answer: $\boxed{\bold{x=10}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Divide Both Sides By 5

$\bold{\frac{5\left(x+4\right)}{5}=\frac{70}{5}}$

[ Step Two ] Simplify

$\bold{x+4=14}$

[ Step Three ] Subtract 4 From Both Sides

$\bold{x+4-4=14-4}$

[ Step Four ] Simplify

$\bold{x=10}$

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$\bold{\rightarrow Mordancy \leftarrow}$

6 0

3 years ago

A penguin walks 10 feet in 6 seconds, so how long does it take for a penguin to walk 45 feet ?? Plz help me its due in a couple

Nata [24]

Answer: The penguin would walk 45 feet in around 27 seconds.

Step-by-step explanation: 10 ft = 6 sec, 20ft = 12sec, 30ft = 18 sec, 40 ft = 24 sec, 5 ft = 3 sec

6 0

3 years ago

If $1,000 is invested at 16% interest, compounded continuously, for five years,

arlik [135]

Answer:

2,225.54

Step-by-step explanation:

I am not sure if I am correct or not but it is either the first or second one.

6 0

3 years ago

Read 2 more answers

Exercise

Maurinko [17]

X - nominator
y - denominator

$\frac{3x}{y+12}=\frac{3}{4}\\
\frac{x+7}{3y}=\frac{1}{2}\\\\
3(y+12)=12x\\
2(x+7)=3y\\\\
3y+36=12x\\
2x+14=3y\\\\
2x+14+36=12x\\
10x=50\\
x=5\\\\
3y=2\cdot5+14\\
3y=10+14\\
3y=24\\
y=8\\\\
\frac{x}{y}=\boxed{\frac{5}{8}}$

6 0

4 years ago