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algol13
3 years ago
8

Plzzzzz help PLZZ asap!!!

Mathematics
1 answer:
Dominik [7]3 years ago
8 0

Answer:

equation:- 180-42= x or 180-x= 42

x= 138°

Step-by-step explanation:

180-42= x

180-42= 138°

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Is 4.50 an irrational or rational number?
andre [41]
It is irrational because rational numbers are whole and irrational numbers are decimals,fractions,negatives,and mixed numbers also irrational numbers go on and on forever rational stops for example  3 is rational and 9.6 is irrational 4.50 is irrational hope this helps you i hope i am the brainliest answer because i need it for the next rank 

4 0
3 years ago
Solve 5n^2=5 with the quadratic formula
Yanka [14]

Answer:

n = 1

Step-by-step explanation:

First, rearrange the equation to standard form 0 = ax² + bx + c, when everything equals 0.

5n² = 5

5n² - 5 = 0

State the variables a, b and c.

a = 5;  b = 0;  c = -5

Substitute a, b, and c into the quadratic formula.

n = \frac{-b ±\sqrt{b^{2}-4ac} }{2a}

n = \frac{-0 ±\sqrt{0^{2}-4(5)(-5)} }{2(5)}   Substitute

n = \frac{\sqrt{100} }{10}   Simplify inside the √ and bottom

n = \frac{10}{10}  Simplify the top

n = 1  Final answer

Therefore the solution is n = 1.

The quadratic formula usually is written with x, but it can be solved with any variable in standard form.

3 0
3 years ago
Please help me it’s due
zysi [14]

Answer:

1. 52

2. 50

3. 71

4. 28

5. 32

6. 67

8 0
2 years ago
Please help with this for brainliest
Irina-Kira [14]

Answer:

105cm^2

Step-by-step explanation:

5 times 6 = 30

30 div 2 = 15

6 times 15 = 90

90 + 15 = 105

8 0
3 years ago
Please help me with this question ignore what I wrote and show your work.
zavuch27 [327]
To easily solve for the ratios, divide the weight by the mass.
196/20 = 9.8
9.8 is your multiplier.
Divide 1078 by 9.8
1078/980 = 110
X = 110
Your question is the ratio of weight to mass, so from right to left.
Your correct answer is B.)
5 0
3 years ago
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