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Naddika [18.5K]
3 years ago
8

Thats my question down there mates

Mathematics
2 answers:
Law Incorporation [45]3 years ago
7 0

Answer:

x = 9

Step-by-step explanation:

A line segment parallel to a side of a triangle and intersecting the other 2 sides divides the 2 sides in proportion, that is

\frac{9}{72} = \frac{1}{8} = \frac{3x-20}{56} ( cross-  multiply )

8(3x - 20) = 56

24x - 160 = 56 ( add 160 to both sides )

24x = 216 ( divide both sides by 24 )

x = 9

Gnom [1K]3 years ago
3 0

Answer:

The value of x = 9

Step-by-step explanation:

From the figure

we can see that, the middle line segment is parallel to one side of the triangle.Therefore we can write,

9/72 = (3x - 20)/56

9*56 = 72(3x -20) [cross multiplying]

56 = 8(3x - 20) [divided by 9]

7 = 3x - 20 [divided by 8]

3x - 20 = 7

3x = 27

x = 27/3 = 9

Therefore the value of x = 9

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A teacher recorded the number of days her students went on vacation. Which statements describe the data? Select all that apply.
laiz [17]

Answer:

The students went on vacation for average 40 days.

The high school students went for more days than college students.

Step-by-step explanation:

The data shows number of students who went for vacation. The data class frequency shows that students who are in high school went for more days in vacation than college students. The students went for average of 40 days on vacation.

7 0
3 years ago
10 Points!
Gekata [30.6K]
a_1=6,\ a_n=2\cdot a_{n-1}\\\\a_2=2\cdot a_1\to a_2=2\cdot6=12\\\\a_3=2\cdot a_2\to a_3=2\cdot12=24\\\\a_4=2\cdot a_3\to a_4=2\cdot24=48\\\\a_5=2\cdot a_4\to a_5=2\cdot48=96\\\\a_6=2\cdot a_5\to a_6=2\cdot96=192\\\\\text{Answer:}\\D)\ 6,\ 12,\ 24,\ 48,\ 96,\ 192
4 0
3 years ago
Triangle PQR has vertices P(–2, 6), Q(–8, 4), and R(1, –2). It is translated according to the rule (x, y) → (x – 2, y – 16).
Amanda [17]
Since you subtract 16 from the y value, P is (-2, 6), and the y value comes second (meaning that it's 6), we get 6-16=-10
4 0
4 years ago
Read 2 more answers
What is a solutions of x^2-2x+10=0?​
Debora [2.8K]

Answer:

x = 1± 3i

Step-by-step explanation:

x^2-2x+10=0

We can complete the square to solve by subtracting 10 from each side

x^2-2x+10-10=-10

x^2 -2x = -10

We need to add (2/2) ^2  to each side or 1

x^2 -2x+1 = -10 +1

x^2 -2x+1 = -9

The left side factors into (x- (2/2) ) ^2

(x-1) ^2 = -9

Take the square root of each side

sqrt((x-1) ^2 =± sqrt(-9)

x-1 = ±sqrt(-1) sqrt(3)

Remember the sqrt(-1) = i

x-1 = ± 3i

Add 1 to each side

x-1+1 = 1± 3i

x = 1± 3i

8 0
3 years ago
H
Dennis_Churaev [7]

Answer:

She will have $71.32.

Step-by-step explanation:

135-(44.8+18.88)=71.32

3 0
3 years ago
Read 2 more answers
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