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Kaylis [27]
3 years ago
13

The triangles are similar.

Mathematics
2 answers:
erik [133]3 years ago
6 0
5×4=20 , 12×4=48
53÷4 = 13 then
x=13
pishuonlain [190]3 years ago
5 0

Answer : The value of x is, 13

Step-by-step explanation :

As we know that when two object have same shape then they are similar. That means, when two triangles are similar then their ratios of lengths of their corresponding sides are equal.

Let the name of the big triangle be, PQR and small triangle be, XYZ.

Given:

PQR is similar to triangle XYZ. That means,

\frac{PR}{PQ}=\frac{XZ}{XY}

\frac{52}{48}=\frac{x}{12}

x = 13

Therefore, the value of x is, 13

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Pls help me on this math question.I am really confused
Natali5045456 [20]

Answer:

640 m

Step-by-step explanation:

We can consider 4 seconds to be 1 time unit. Then 8 more seconds is 2 more time units, for a total of 3 time units.

The distance is proportional to the square of the number of time units. After 1 time unit, the distance is 1² × 80 m. Then after 3 time units, the distance will be 3² × 80 m = 720 m.

In the additional 2 time units (8 seconds), the ball dropped an additional

... (720 -80) m = 640 m

_____

<em>Alternate solution</em>

You can write the equation for the proportionality and find the constant that goes into it. If we use seconds (not 4-second intervals) as the time unit, then we can say ...

... d = kt²

Filling in the information related to the first 4 seconds, we have ...

... 80 = k(4)²

... 80/16 = k = 5

Then the distance equation becomes ...

... d = 5t²

After 12 seconds (the first 4 plus the next 8), the distance will be ...

... d = 5×12² = 5×144 = 720 . . . meters

That is, the ball dropped an additional 720 -80 = 640 meters in the 12 -4 = 8 seconds after the first data point.

6 0
3 years ago
Help againnn<br><br> i hate matg
ser-zykov [4K]

Hello User!

Correction "Math"

Answer: 12 4/7

6 0
3 years ago
Part A: Which of the following points are on the same line that passes through the (7,-7),(21,14),(49,35)? Select all
puteri [66]
It is C hope i helped you!;)
5 0
3 years ago
What’s the distance between the two points (-2,1),(1,-2)
Vedmedyk [2.9K]

Answer:

zzz

Step-by-step explanation:

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5 0
3 years ago
A<br> Find tan a.<br> r<br> √5,-√7)<br> ✓[?<br> Enter
Virty [35]

Answer:

tan(\alpha)=-\frac{\sqrt{35}}{5}

Step-by-step explanation:

Tan can be defined as: \frac{sin(\theta)}{cos(\theta)} as it simplifies to opposite/adjacent. If you know a bit about the unit circle, you'll know that the x-coordinate is going to be cos(theta) and the y-coordinate is going to be sin(theta). Since the sin(theta) is defined as opposite/hypotenuse, and the hypotenuse = 1, so sin(theta) is defined as the opposite side, which is the y-axis. Same thing goes for cos(theta), except the adjacent side is the x-axis.

Using this we can define tan

sin(\alpha)=-\sqrt{7}\\cos(\alpha)=\sqrt{5}\\\\tan(\alpha)=-\frac{\sqrt{7}}{\sqrt{5}} * \frac{\sqrt{5}}{\sqrt{5}}\\tan(\alpha)=-\frac{\sqrt{7*5}}{5}\\tan(\alpha)=-\frac{\sqrt{35}}{5}\\

8 0
2 years ago
Read 2 more answers
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