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frosja888 [35]
2 years ago
8

Can someone help me?

Mathematics
1 answer:
Lana71 [14]2 years ago
3 0

Step-by-step explanation:

the answer would be

4

2

1

3

5

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I need some help with this
Korvikt [17]


The following can be deduced from the expressions

m ∠ D = 4 × m ∠ A
m ∠ B = 3 × m ∠ A-12

Please note that the sum of angles in a triangle is 180 degress. Therefore,

M∠ A + m ∠ B + m ∠ D = 180equation(3)

Substitute for equation 1 and 2 in equation 3 as shown below

m ∠ A + 3 × m ∠ A - 12^0 + 4 x m ∠ A =180^0
m ∠ A + 3 × m ∠ A + 4 x m ∠ A = 180^0+12^0
8m ∠ A = 192^0
m ∠ A= 192^0/8
m ∠ A=24^0

Substitute for m∠A= 24 in equation 1 and 2 as shown below

m ∠ D = 4 × m ∠ A
m ∠ D = 4 × 24^0
m ∠ D = 96^0
m ∠ B = 3 × mA - 12^0
m ∠ B = 3 × 24^0 - 12
m ∠ B = 72^0 - 12^0

,

∠= °

∠= °

∠= °
5 0
2 years ago
1. A number is chosen at random from 1 to 25. Find the probability of not selecting a prime number.
Gnesinka [82]

Answer:

<u><em>64%</em></u>

Step-by-step explanation:

<em>1. Nine prime numbers between 1 and 25.</em>

<em>2. 25-9 = 16</em>

<em>3. Sixteen non-prime numbers between 1 and 25.</em>

<em>4. 16/25 = 0.64 = 64%</em>

Hope this helps!

5 0
3 years ago
Solve the equation. \dfrac{11}6 =n+\dfrac79 6 11 ​ =n+ 9 7 ​ start fraction, 11, divided by, 6, end fraction, equals, n, plus, s
kvasek [131]
11/6 = n + 7/9
11/6 - 7/9 = n = 19/18
5 0
3 years ago
What is the answer to this problem?
Rufina [12.5K]
It increases then decreases then becomes constant
4 0
3 years ago
There are 120 planes on an airfield. If 75% of the planes take off, how many planes took off?
Soloha48 [4]

Answer:

You have to do 120 divided by 0.75 use a calculator

Step-by-step explanation:

7 0
2 years ago
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