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Dima020 [189]
4 years ago
7

What is the value of x in this question

Mathematics
1 answer:
Burka [1]4 years ago
6 0
The answer is 4

To get this answer, we'll first need to find the length of segment ST. This is the short leg of the 30-60-90 triangle on the left. The short leg and the long leg tie together with this formula

long leg = (short leg)*sqrt(3)

Since the long leg is equal to 2*sqrt(3), this means that the short leg must be 2 units long.

The hypotenuse of the same triangle is TR = 4 which is double that of the short leg.

Moving onto the other triangle, which is 45-45-90, the x is the other leg. Recall that for 45-45-90 triangles, the two legs are congruent or the same length. So,
TR = RQ = 4
which is why x = 4
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This too!!<br><br><br><br><br> . <br> Please<br><br><br><br><br> .
REY [17]

Answer:

In order to tell if these are congruent triangles we would need to know if angles Y and V were congruent, angles X and W are congruent or if segments XU and WU were congruent.

Step-by-step explanation:

Any of these would work because you can use two different methods to telling that these are congruent triangles.

The first method is called side-angle-side. In it you need two side lengths that are congruent with a congruent angle in the middle. Since we already know that the right angle in the middle is congruent, and we know YU and VU are congruent, we would just need to know the additional side to prove congruence.

The second method is called angle, angle side. In this we need to know that two angles in a row are congruent followed by a side. Since we know the middle angle is the same, knowing either other angles would give us this method as well.

8 0
4 years ago
Find the zeros of y=x^3-x^2-9x+9
notsponge [240]
The zeros are at -3, 1 and 3

7 0
3 years ago
Suraj took a slice of pizza from the freezer and put it in the oven. The pizza was heated at a constant rate.
Temka [501]

Answer:

Step-by-step explanation:

4    25

6   40

8   55

10  70

12  85

14   100

It would've taken him 14 minutes. for every 2 minutes, the temperature went up 15 degrees.

4 0
3 years ago
PLZZZZZZ HeLp
-BARSIC- [3]

Answer:

Its False

Step-by-step explanation:

i hope its right

8 0
3 years ago
A line has a slope of -2/3 and passes through the point (-3, 8). what is the equation of the line ?
nikdorinn [45]

Answer:

y = -2/3x + 6

Step-by-step explanation:

replace the coordinates in the equation

y= mx + c

y= 8

x= -3

8= -2/3 (-3) + c

c + 2 = 8

c = 8 - 2

c = 6

y= -2/3x + 6

8 0
3 years ago
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