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Vsevolod [243]
3 years ago
6

What is the length of the unknown leg of the right triangle for 7 feet and 9 feet? Plz help, I'll do anything.

Mathematics
1 answer:
maxonik [38]3 years ago
6 0

Answer:

\sqrt{130}

Step-by-step explanation:

If you are trying to find the hypotenuse, then you want to use the equation a^2 + b^2= c^2

1. 7^2 + 9^2=c^2

2. 49+81=c^2

3. c^2=130

4. Square root both sides

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Long division <br><br> 7)16.73
mixas84 [53]

Answer: 2.39

Step-by-step explanation: you have to divide 16.73 by 7

8 0
3 years ago
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X + y = 6<br> X - 4y = 1<br> Find the solution of the system of equations by using<br> elimination.
Effectus [21]

Answer:

x=5, y=1

Step-by-step explanation:

First, you need to multiply both sides of the second equation by -1 so that you can proceed the elimination process. Like this...

x + y = 6

x - 4y = 1

x + y = 6

-x + 4y =- 1

Now you can eliminate the x variable by addition process. It becomes like this...

x + y = 6

-x + 4y =- 1

5y=5

y = 1

Now, let's proceed substitution process. You can substitute the value of y into any equation that you want. I want to put the value of y into the equation of x + y = 6 .

When y=1, substitute into x + y = 6

x + 1 = 6

x = 6-1

x = 5

Hooray! Now you have the value of x and y.

x= 1 and y=5.

I hope you will understand my explanation. Bye!

4 0
4 years ago
Find the slope of the line that contains (-1,9) and (9,9)
Flura [38]
Steps:
1. Do the slope formula
Y2-Y1
--------
X2-X1
2.
9-9
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9- (-1)
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7 0
3 years ago
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Simplify to a form a√ b
horsena [70]

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Step-by-step explanation:

I don't think you can do that without having the variables.

8 0
3 years ago
Katie wants to collect over 100100100 seashells. She already has 343434 seashells in her collection. Each day, she finds 121212
Elden [556K]

Katie wants to collect over 100 seashells. She already has 34 seashells in her collection. Each day, she finds 12 more seashells on the beach. Katie can use fractions of days to find seashells.

Write an inequality to determine the number of days, d, it will take Katie to collect over 100 seashells

<em><u>Answer:</u></em>

Kathie needs more than 5 days to get over 100 shells

The required inequality is 34 + 12d > 100

<em><u>Solution:</u></em>

Given that,

Katie wants to collect over 100 seashells.

She already has 34 seashells in her collection.

Each day, she finds 12 more seashells on the beach

Let "d" be the number of days she takes to cover 100 sea shells

From given statement,

She finds 12 seashells each day

Then for "d" days, the number of sea shells she collected is 12d

She already had = 34

So, the equation can be framed as:

34 + 12d > 100

Here we used "greater than" symbol, since she wants to collect over 100 seashells

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12d >100-34\\\\12d>66\\\\d>\frac{66}{12}\\\\d>5.5

This means she won't have more than  100 shells until the 6th day

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