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Reil [10]
3 years ago
13

Number 10 I don't understand.

Mathematics
1 answer:
Oliga [24]3 years ago
6 0
I don't see y or z in the problem, but I know that X=4
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2x + 4 = 4x how. to solve it ​
ipn [44]

Answer:

x=2

Step-by-step explanation:

2x+4=4x

-2x     -2x  

4=2x/2x

4/2=x

x=2

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I had this on a test and i got it

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Anika [276]

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number 3 is 264 and the other one is 30

Step-by-step explanation:

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3 years ago
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The system of equations y=-3x+2 and y=2x-6 is shown on the graph below.
gavmur [86]

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8 0
2 years ago
Stanley has a collection of seashells. He found 35% of his collection on Florida beaches. If Stanley has 49 seashells from Flori
m_a_m_a [10]

Answer:

The number of seashells he have in his collection all together is <u>140</u>.

Step-by-step explanation:

Given:

Stanley has a collection of seashells. He found 35% of his collection on Florida beaches.

Stanley has 49 seashells from Florida.

Now, to find the number of seashells of his collection altogether.

Let the number of seashells all together be x.

Percentage of seashells found on Florida beaches = 35%.

Number of seashells found on Florida beaches = 49.

Now, to get the number of seashells altogether we put an equation:

35\%\ of\ x=49.

⇒ \frac{35}{100} \times x=49

⇒ 0.35\times x=49

⇒ 0.35x=49

Dividing both sides by 0.35 we get:

⇒ x=140.

Therefore, the number of seashells he have in his collection all together is 140.

4 0
2 years ago
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