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Nonamiya [84]
3 years ago
9

The value of X is ...

Mathematics
1 answer:
Alex787 [66]3 years ago
8 0

Step-by-step explanation:

sums of external angles of triangle =360°

360 - 130 -134

x = 96°

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A rectangular pool contains 920 cubic meters of water. the pool is .4 meter deep and 100 meters wide. How long is the pool?
LekaFEV [45]
Hi there,

Sol:
Length of the swimming pool = 260 m
Breadth of the swimming pool = 140 m

Let the height of the water in the swimming pool after pouring water be h meters.

Volume of the water poured = 54600 m3

l x b x h = 54600
260 x 140 x h = 54600
h = (54600) / (260 x 140)
h = 1.5 m = 150 cm

Hope it helps
5 0
2 years ago
Write 3×1/6 in simplest form
Finger [1]

3 x 1/6

Simplify,

3/6 = 1/2

So, = 1/2

5 0
3 years ago
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Could someone help me with (Q 15?) Maybe a brainliest if you do step by step and get the correct answer. Thank you :D
Sphinxa [80]

Answer:

It is a reflection  across the y axis

Step-by-step explanation:

The reflection of point (x, y) across the x-axis is (x, -y).

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Since (-4, -2.4) becomes (4, -2.4)  The x values changes sign.  It is a reflection  across the y axis

4 0
2 years ago
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What is the probability that a random selected student at harbor high is 17 years old or older.
Triss [41]

Answer:

See below.

Step-by-step explanation:

The table shows the total number of students as 572 (bottom right cell in the table.)

The number of students who are 17 or older are the students in the two groups: 17-18 and 19-20.

There are 151 students with ages 17-18.

There are 34 students with ages 19-20.

The total of all students 17 or older is 151 + 34 = 185.

The probability of choosing a student age 17 or older is the number of students 17 or older (which is 185) divided by the total number of students (which is 572).

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We round 32.34% to the nearest integer to get 32%.

4 0
3 years ago
Ten plus 6 times a number n is equal to 5 less than the number n
jasenka [17]
10 + 6n = n - 5
can you solve that? 
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3 years ago
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