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Arte-miy333 [17]
3 years ago
7

Find x. Multiple choice answers are below!

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0

Answer:

4\sqrt{6}

Step-by-step explanation:

To find x, we can use the Pythagorean Theorem. As this triangle is made up of 2 right triangles. As the length of both right triangles is 10, the length of one will be 5.

Now that we have 2 sides of the right triangle, we can use the Pythagorean Theorem to solve for x

11^{2} -5^{2} =x^{2} \\\\121-25=x^2\\\\x=\sqrt{96}

Lastly, we can simplify this radical to

\sqrt{96} \\\\4\sqrt{6}

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Can someone help me on this
Cerrena [4.2K]

Answer:

2x+h

Step-by-step explanation:

f(x+h) means that wherever there's an x in the function f(x) we plug in a x+h

we have

(x+h)²+9

Let's start with the numerator

(x+h)²+9-(x²+9)

Distribute the exponent

x²+2xh+h²+9-x²-9

Which gives us

2xh+h²

Divide the whole thing by h to give us

2x+h

4 0
3 years ago
What is the area of a rectangle whose length is 3x and breadth is 2x
kherson [118]

Answer:

Your answer is <em>6x</em>

Step-by-step explanation:

Given,

          length(l)     = 3x

          breadth(b) = 2x

          area of a rectangle(A) = ?

Now,

A = l*b

A = 3x*2x

A = 6x    ans.

Hope its helpful!

Please mark me as brainlist.

4 0
2 years ago
Read 2 more answers
A company charges $7 for a T-shirt and ships any order for $15. A school principal ordered a number of T-shirts for the school s
rosijanka [135]
7x + 15 = 1520
It’s $7 times the unknown number of shirts (x). Plus $15 to ship. All has to equal the total of $1,520.
8 0
3 years ago
For each figure answer the following questions
Rudiy27

9514 1404 393

Answer:

  a) ∆ABC ~ ∆EDC by AA similarity

  b) ED/AB = 3/4

  c) 15 cm

Step-by-step explanation:

a) Two angles in each triangle are the same, so the AA similarity postulate can be used to declare the ∆ABC ~ ∆EDC. (Each triangle includes a right angle and angle C.)

__

b) Corresponding sides are ED/AB, DC/BC, EC/AC. The ratio of corresponding sides is ED/BC = (12 cm)/(16 cm) = 3/4.

__

c) Using the ratios identified above, we have ...

  DC/BC = 3/4 = x/(20 cm)

  x = 3/4(20 cm)

  x = 15 cm

8 0
3 years ago
Graph each equation.<br><br> y=-2x-1 <br><br> help please
yan [13]
You can graph that by looking at the y-intercept first. That's where you start to put a point in the coordinate plane or graph.

So go down 1 below 0.

Next, look at the slope.
We know that y = -2x - 1 is in slope intercept form (y = mx+b)
So -2 is our slope. It will be -2/1 because we need a fraction to graph the rise over run and all whole numbers can be a fraction by making 1 as their denominator.

Look at the attachment. 

Starting from -1 (y-intercept), go down 2 (-2) then right 1 (1).
To complete the line above, keep the same value and reverse their sign/symbol. So -2/1 will be 2/-1. It goes up 2 then left 1.

I hope you understand and find this answer the most helpful! :)

8 0
3 years ago
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