Answer:
I think it is the third one.
Step-by-step explanation:
A^2 +b^2=c^2. so 3^2=9 and 19^2=361
361-9=352 and then square root=18.76 or 18.8
Answer:
B. 75°
Step-by-step explanation:
When lines that are parallel are crossed by a transversal , angles in matching corners are equal and called corresponding angles
To get the value of the angle;
180°-105°= 75°.................sum of angles on a straight line
This angle corresponds to angle y because of the parallel lines DE and XY
Jane's percentile score is 98.
She has scored higher than 49 out of 50 students taking the test (98%).
<span>Solutions
1) Equation
</span>⇒ <span><span>(<span><span>2x</span>+3</span>)</span><span>(<span>x−4</span>)
</span></span>⇒<span><span>(<span><span>2x</span>+3</span>)</span><span>(<span>x+<span>−4</span></span>)
</span></span>⇒<span>(2x)(x)+(2x)(−4)+(3)(x)</span>+<span>(3)(−4)
</span>⇒2

<span><span><span>−<span>8x</span></span>+<span>3x</span></span>−12
</span>⇒2

<span><span>−<span>5x</span></span>−<span>12
Answer - </span></span>2

<span>−5x−12</span><span>
</span>