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Serhud [2]
2 years ago
7

2 tables and 3 chairs together cost $1900 wher93 tables and 2 chairs together cost $2600. Find the cost of a table and a chair.​

Mathematics
1 answer:
valentina_108 [34]2 years ago
6 0

Answer:

you can solve all your problems posted by this method ...

Step-by-step explanation:

mark me as brainliest ❤️

...............

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which is the rationalized form of the expression the square root of x divided by the square root of x +the square root of 7
Ilya [14]

Answer:

I assume your goal is to rationalize the denominator -

So you need to multiply the denominator by its conjugate.

So we have:

\frac{\sqrt{x} }{\sqrt{x}-\sqrt{7} } *\frac{\sqrt{x} +\sqrt{7} }{\sqrt{x} +\sqrt{7}}

->

\frac{x-\sqrt{7}\sqrt{x} }{x-7}

gg

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3 years ago
25 POINTS PLUS BRAINIEST PLEASE
dexar [7]

<em>The answer is below...</em>

A.

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Question 2 of 5
ahrayia [7]

Question

Which two ratios represent quantities that are proportional?

Answer:

Hi, There! FrozenVines Here!

I'm here to help you Understand Better So Let's go-

20:24 is My Answer

Step-by-step explanation:

y = kx, where k is the constant of proportionality. In other words, these quantities always maintain the same ratio

proportion is an equation with a ratio on each side. It is a statement that two ratios are equal.

For example 2/5 is Equal to 4/10 this Would be A Example Of a Proportional relationship!

8 0
3 years ago
A circle has a radius of 3. An arc in this circle has a central angle of 20 degrees. What is the length of of the arc?
oksian1 [2.3K]

Answer:7

Step-by-step explanation:

just divide than subtract

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4 years ago
Find a unit vector that is orthogonal to both u and v<br><br> .u = −8, −6, 4<br> v = 17, −18, −1
lisov135 [29]

Answer:

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