2 years ago

Help!!!! 100 POINTS (FIRST CORRECT ANSWER GETS BRAINLIEST)

Mathematics

1 answer:

sashaice [31]2 years ago

8 0

Answer:

14x+4

Step-by-step explanation:

5x+5x+2x+2x+3+3-1-1

5x+5x+2x+2x=14x

3+3-1-1=4

14x+4

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What is the opposite of 15 across

Gnoma [55]

‍♂️‍♂️ -15 a parallel, clarify your question

8 0

3 years ago

Triangle J K L is shown. Angle J L K is 105 degrees. The length of J K is 4.7 and the length of J L is 2.7.

cluponka [151]

Answer:

The approximate measure of angle K is 34°

Step-by-step explanation:

In ΔJKL

∠L = 105°

JK = 4.7

JL = 2.7

Sine Rule:

$\frac{SinA}{a} = \frac{SinB}{b}= \frac{SinC}{c}$

So, $\frac{SinL}{JK} = \frac{SinK}{JL}\\\frac{SinL}{4.7} = \frac{SinK}{2.7}\\\frac{Sin 105}{4.7} = \frac{SinK}{2.7}\\\frac{Sin 105 \times 2.7}{4.7} = SinK\\\frac{(0.9659 \times 2.7)}{4.7} = Sin K\\\frac{2.60793}{4.7} = Sin K\\0.5549 = Sin K\\Sin^{-1}(0.5549)= K\\K = 33.70$

K ≈ 34°

So, Option B is true

Hence The approximate measure of angle K is 34°

5 0

2 years ago

What is the solution of 4x - 30 ≥ -3x + 12?

amid [387]

First, let's add 30 to both sides:
4x - 30 +30 ≥ -3x + 12+30

4x ≥ -3x + 42

Now, let's add 3x to both sides
4x +3x ≥ -3x+3x + 42
7x ≥ 42

Let's divide both by 7:

x ≥ 6

4 0

3 years ago

Read 2 more answers

Solve: 6/x + 23 = 1/y for y.

iris [78.8K]

Answer:

$\frac{y}{x} = \frac{6y {}^{2} }{x {}^{2} }$