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Minchanka [31]
2 years ago
7

6) Which of the following is not a solution to the inequality 5x + 3y ≥ -3?

Mathematics
1 answer:
Soloha48 [4]2 years ago
8 0

Step-by-step explanation:

5x + 3y ≥ -3

5x ≥ -3

x ≥ -3/5

5x + 3y ≥ -3

3y ≥ -3

y ≥ -3/3

y ≥ -1

Solution

x ≥ -3/5 and y ≥ -1

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an equation is shown 120÷ __ =1.20

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1.2* 100 = 120

3 0
3 years ago
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In ΔLMN, n = 510 cm, l = 820 cm and ∠M=20°. Find ∠L, to the nearest degree
Dafna11 [192]

The angular measure L is : 47°

<h3>What are angles?</h3>

Angles are formed when two lines meet.

Analysis:

Firstly, we calculate for m using cosine rule.

m^{2} = 510^{2} + 820^{2} -2(510)(820) cos 20

m^{2} = 260100 + 672400 -83600(0.9396)

m^{2} = 146618.56

m = \sqrt{146618.56} = 382.9cm

using sine rule to find ∠L

382.9/sin20 = 820/sinL

sinL = 820sin20/382.9

sinL = 820(0.342)/382.9

sinL = 0.732

L = sin inverse of 0.732 = 47°

In conclusion, ∠L is 47°

Learn more about sine and cosine rule: brainly.com/question/4372174

#SPJ1

8 0
2 years ago
What should be done to x^2 + 15x in order to create a perfect square?
lana [24]

\bf \qquad \textit{perfect square trinomial} \\\\ (a\pm b)^2\implies a^2\pm \stackrel{\stackrel{\text{\small 2}\cdot \sqrt{\textit{\small a}^2}\cdot \sqrt{\textit{\small b}^2}}{\downarrow }}{2ab} + b^2 \\\\[-0.35em] ~\dotfill

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5 0
3 years ago
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