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sergeinik [125]
3 years ago
13

(Affgfbwg I’m struggling) Find the value of x in the isosceles triangle shown below

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

B

Step-by-step explanation:

The line from the vertex to the base is a perpendicular bisector and divides the isosceles triangle into 2 right triangles with hypotenuse x

Using Pythagoras' identity in either of the 2 right triangles, then

x² = 12² + 5² = 144 + 25 = 169 ( take the square root of both sides )

x = \sqrt{169} = 13 → B

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2 Points
dolphi86 [110]

Answer:

A

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = - 5 and (a, b) = (2, - 1), so

y - (- 1) = - 5(x - 2), that is

y + 1 = - 5(x - 2) → A

8 0
3 years ago
Quizizz help 10 pts each brainiest guaranteed blah blah blah
emmainna [20.7K]

Answer:

5x^3-2x^2+2x+9

Step-by-step explanation:

(5x^3+4x^2)−(6x^2−2x−9)

To find the opposite of 6x^2−2x−9 find the opposite of each term.

5x^3+4x^2−6x^2+2x+9

Combine 4x^2 and 6x^2 to get −2x^2.

5x^3-2x^2+2x+9

5 0
3 years ago
Read 2 more answers
What is the solution to the equation 3x-5=2x+8+x?
Marysya12 [62]
So when solving this you are going to have to solve the equation.
Okay so first thing we need to do is simplify both sides of your equation so:
3x−5=<span>2x+8+x
</span>Simplifying process:
<span><span><span>3x</span>+</span>−5</span>=<span><span><span>2x</span>+8</span>+<span>x
</span></span><span>Combine Like Terms </span>⇒ 3x−5=<span>(2x+x)+(8)
</span><span><span>3x</span>−5</span>=<span><span>3x</span>+<span>8
</span></span><span><span>3x</span>−5</span>=<span><span>3x</span>+<span>8
</span></span>Second thing we are now going to do is s<span>ubtract 3x from both sides<span> so:
</span></span><span><span><span>3x</span>−5</span>−<span>3x</span></span>=<span><span><span>3x</span>+8</span>−<span>3<span>x
</span></span></span><span>−5</span>=<span>8
</span>Final step is to add 5 to both sides:
−5+5=<span>8+5
</span>0=<span>13
</span>The answer to your question is "<span>There are no solutions"</span>
6 0
3 years ago
I went to the mall to buy four shirts that cost $6.00 dollars each. If you buy three shirts and get the other one 20% off. How m
Mice21 [21]
I think it would be It would be 4.80
5 0
3 years ago
Ashley has a sprinkler that has several varieties of coverage. The quarter circle sprinkler head sprays water a distance of up t
alukav5142 [94]

Answer:

314 square feet

Step-by-step explanation:

we know that

The area that will be covered by the spray of the quarter-circle sprinkler head, is equal to the area of a quarter circle with radius of 20 feet

so

The area of a quarter circle is

A=\frac{1}{4}\pi r^{2}

we have

r=20\ ft

\pi =3.14

substitute

A=\frac{1}{4}(3.14)(20)^{2}=314\ ft^2

8 0
3 years ago
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