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arlik [135]
3 years ago
7

Geometry Triangles.....

Mathematics
1 answer:
Neporo4naja [7]3 years ago
5 0

Answer:

4

Step-by-step explanation:

since the triangle is isosceles, the vertical line splits the base into two equal halves. the triangle is now 3 - x - 5.

use Pythagorean theorem a^{2} +b^{2} =c^{2}, where c is the hypotenuse and a and b are the other side lengths

5^{2} =3^{2} +x^{2}

25=9+x^{2}

x^{2} = 16

x = \sqrt{16}

x = ±4

since a measure of distance cannot be negative, x = 4, not -4.

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Can y’all help me on 2 and 4
Bogdan [553]
I think the answer for #2 = J and #4 = G

Hope this helps.
5 0
2 years ago
7c+3g=124<br><br> 4c+1g=58<br> ?
vodka [1.7K]

Answer:

2+7h 6+7k 89gfshdxgxhxgchgxhcgdchgcvgchcxgcbb

8 0
2 years ago
In a survey in 2010, the population of two plant species were found to be growing exponentially. Their growth is given by these
Lunna [17]

If we want to find when the population of species A will be equal to the population of species B, we need to see when the two equations for the population of each species are equal, ie. equate them and solve for t. Thus:

2000e^(0.05t) = 5000e^(0.02t)

(2/5)e^(0.05t) = e^(0.02t) (Divide each side by 5000)

2/5 = e^(0.02t) / e^(0.05t) (Divide each side by e^(0.05t))

2/5 = e^(-0.03t) (use: e^a / e^b = e^(a - b))

ln(2/5) = -0.03t (use: if b = a^c, then loga(b) = c )

t = ln(2/5) / -0.03 (Divide each side by -0.03)

= 30.54 (to two decimal places)

Therefor, the population of species A will be equal to the population of species B after 30.54 years.

I wasn't entirely sure about the rounding requirements so I've left it rounded to two decimal places.

6 0
3 years ago
WILL MARK BRANLIEST TO THE CORRECT ANSWER!
krok68 [10]

Answer:

$400.25 is the answer of your question

Step-by-step explanation:

Use Simple interest formula for finding solution in which you use principal as $250 and rate of interest as 4 percent and time period as 15 years and then then to find total amount add Simple interest with principal .

8 0
3 years ago
Read 2 more answers
Match the range of the function f(x) = x2 2x − 1 to its domain.
Ivan
F(x) = x^2 + 2x -1

Domain all real number

Range: all real numbers equal or greater than -2.

To find the range you need to find the vertex of the parabole, which is (-1,-2) and use the fact that, given that the coefficient of x^2 is positive, the funcion open upwards (which means that the vertex is a global minimum).

To find the vertex you use the quadratic formula to find the roots and then the x-coordinate of the vertex is in the middle of the two roots.
7 0
3 years ago
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