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Lubov Fominskaja [6]
3 years ago
8

PLEASE HELP ME QUICKLY

Mathematics
2 answers:
Bumek [7]3 years ago
8 0

Answer:

10

Step-by-step explanation:

theres your answer now u help me

erastova [34]3 years ago
5 0
1. -2/2 2. -12/2 3. 4/7 4. 12/-5
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❗️❗️❗️Find the length of side x in simplest radical form with a rational denominator.❗️❗️❗️
tiny-mole [99]

Answer:

x=\frac{\sqrt{14} }{2}

Step-by-step explanation:

Notice that you are given an isosceles right-angle triangle to solve, since each of its two acute angles measures 45^o. Then such means that the sides opposite to these acute angles (the so called "legs" of this right angle triangle) must also be of the same length (x).

We can then use the Pythagorean theorem that relates the square of the hypotenuse to the addition of the squares of the triangles legs:

(\sqrt{7})^2=x^2+x^2\\7=2\,x^2\\x^2=\frac{7}{2} \\x=+/-\sqrt{\frac{7}{2}} \\x=+/-\frac{\sqrt{14} }{2}

We use just the positive root, since we are looking for an actual length. then, the requested side is:

x=\frac{\sqrt{14} }{2}

6 0
2 years ago
John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?
Eva8 [605]

john had 21.00After buying 2 notebooks he had 13.00

21-13= 8 / 2 =4 each notebook cost 4 dollars.

5 0
3 years ago
What is "house flipping?" a. The process of transferring ownership of a house from one person to another. b. The process of buyi
nalin [4]

Answer:

The answer is B, i believe

Step-by-step explanation:

House flipping is usually when you buy s house and renovate it to make it look nicer and then selling it for more to make a profit from that.

5 0
2 years ago
tracy goes and purchases school supplies she buys pens pencils folders and markers for $30.90, if the sales tax is 6% what is th
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The tax is 1.85$ and total cost is 32.75$
8 0
3 years ago
Solve the inequality 7(x + 4) > 0.
matrenka [14]

Answer:

x > - 4

Step-by-step explanation:

Given

7(x + 4) > 0 ← distribute left side

7x + 28 > 0 ( subtract 28 from both sides )

7x > - 28 ( divide both sides by 7 )

x > - 4

3 0
3 years ago
Read 2 more answers
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