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Mashcka [7]
3 years ago
14

Solve the equation x² = 5. (must show equality properties in work so I can earn full credit)

Mathematics
2 answers:
natita [175]3 years ago
8 0
X² = 5
take root to both side to clear the square

√x² = ±√5

X = ±√5
yulyashka [42]3 years ago
4 0
The awnser is c. I really hope this helps
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What is the smallest whole number larger than the perimeter of any triangle with a side of length 5 and a side of length 19?
vivado [14]

Answer:

48

Step-by-step explanation:

The maximum third side length of a triangle with two sides 5 and 19 is 5+19-1=23. Therefore, the maximum perimeter of a triangle with the two side lengths given is 5+19+23=47.

The smallest whole number larger than this is 48.

4 0
3 years ago
14 Metric System Conversion. Convert 26.2 miles into kilometers and round to the nearest tenth. (Hint: 1 mile= 1.609 km)
Mekhanik [1.2K]

Answer:

42.1558 km

Step-by-step explanation:

We know that 1 mile = 1,609 km

Then use this data as a conversion factor.

If we want to transform miles to kilometers then our conversion factor should be:

\frac{1,609\ km}{1\ miles}

Now we must multiply the number of miles by this factori and thus we obtain the equivalent in kilometers

26.2*\frac{1,609\ km}{1\ miles} = 42.1558 km

5 0
3 years ago
An isosceles triangle has an angle that measures 116.6°. Which other angles could be in that isosceles triangle? Choose all that
katrin2010 [14]
D is wrong. It can't have 2 angles equal to or greater than 90.

2x + 116.6 = 180
2x = 180 - 116.6
2x = 63.4
x = 63.4/2
x = 31.7   Two of this size are the only possible answers.
6 0
4 years ago
Find the height of the triangle
Paul [167]
There are two -main- approaches to answer this problem. By using the sine identity, or applying law of sines.

We'll do the sine trig. identity, as it is the most effective.

Given an angle '\alpha' in a right triangle, 'sin( \alpha )' is defined as the opposite side of the triangle to the given angle, over the triangle's hypotenuse.

So, for this setup:
sin(20)= \frac{x}{10}

Now, we solve for x:
x=10sin(20)=3.42

So, answer is 3.4
7 0
4 years ago
Read 2 more answers
Given segment AB with points (-4, 8) and (6, 3) respectively. Find the coordinates of point P that partitions Segment AB in the
netineya [11]

Answer:

P = (2,5)

Step-by-step explanation:

Given

A(-4,8)

B(6,3)

m:n = 3 : 2

Required

Determine P

Since P divides the segment into 3:2, P is calculated using

P = (\frac{nx_1 +m x_2}{m+n},\frac{ny_1 + my_2}{m+n})

Where

(x_1,y_1) = (-4,8)

(x_2,y_2) = (6,3)

m:n = 3 : 2

Substitute these values in the above formula:

P = (\frac{2 * -4 +3 * 6}{3 + 2},\frac{2 * 8 + 3 * 3}{3 + 2})

P = (\frac{-8 +18}{3 + 2},\frac{16 + 9}{3 + 2})

P = (\frac{10}{5},\frac{25}{5})

P = (2,5)

8 0
3 years ago
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