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stiv31 [10]
3 years ago
12

In solving 2x -5 = 3 do you have to use the addition property of equality first ? Why or why not ? Why do you nomrally use the a

ddition or equality first ?
Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

In that equation, you have to add the 5 over to the 3. You do this because you want the variable (x) by itself, meaning on one side. That’s why after you add the 5, you will have to divide by 2 to get x by itself. Hope this helps.

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Levi and Beverly paid 20% down on a house valued at $165,000 in 1994. They upgraded the house entirely in 2003, when they refina
aalyn [17]

Answer:

$25,000

Step-by-step explanation:

Given:

House valued at(20% down) = $165,000

Amount receive from selling the house = $190,000

Find:

Value of equity from home on selling = ?

Computation:

⇔ Value of equity from home on selling = Amount receive from selling the house - House valued at(20% down)

⇔ Value of equity from home on selling = $190,000 - $165,000

⇔ Value of equity from home on selling = $25,000

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Two less than the product of 15 and Malik's score
sweet [91]

Answer: not sure what you were trying to ask but two less than 15 is 13.

3 0
3 years ago
Read 2 more answers
A pump adds 5 gallons to a storage pond every 2 minutes. How many minutes will it take to pump 20 gallons into the pond?
Bumek [7]
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7 0
3 years ago
2. A right triangle has a hypotenuse of 15 cm. What are possible lengths for the two legs of the triangle? Explain your reasonin
dolphi86 [110]

Answer:

Two possible lengths for the legs A and B are:

B = 1cm

A = 14.97cm

Or:

B = 9cm

A = 12cm

Step-by-step explanation:

For a triangle rectangle, Pythagorean's theorem says that the sum of the squares of the cathetus is equal to the hypotenuse squared.

Then if the two legs of the triangle are A and B, and the hypotenuse is H, we have:

A^2 + B^2 = H^2

If we know that H = 15cm, then:

A^2 + B^2 = (15cm)^2

Now, let's isolate one of the legs:

A = √( (15cm)^2 - B^2)

Now we can just input different values of B there, and then solve the value for the other leg.

Then if we have:

B = 1cm

A = √( (15cm)^2 - (1cm)^2) = 14.97

Then we could have:

B = 1cm

A = 14.97cm

Now let's try with another value of B:

if B = 9cm, then:

A = √( (15cm)^2 - (9cm)^2) = 12 cm

Then we could have:

B = 9cm

A = 12cm

So we just found two possible lengths for the two legs of the triangle.

4 0
3 years ago
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