The second equation is <span>-5-2y=2, then
</span>
<span>-2y=2-(-5),
</span>
-2y=2+5,
-2y=7,
y=7÷(-2),
y=-3.5.
The first equation is 2x+5y=16, subtitude y=-3.5 in this equation, then
2x+5·(-3.5)=16,
2x-17.5=16,
2x=16-(-17.5),
2x=16+17.5,
2x=33.5,
x=33.5÷2,
x=16.75.
Answer: (16.75,-3.5)
7.90×7=55.30. 6.80×1=6.80. 55.30 + 6.80=62.10 Total
She'll have traveled approximately 431.07 km in 8.5 hours, also, 267.85448 miles per hour.
Well first do 36 divided by 4, which is 9, then square root 9 to make it 3, so your answer should be 3
Answer: option c
Step-by-step explanation: with a two-tailed hypothesis she can find the way to go deep on the study, she will be able to increase the statistical power. She will be able to separate in specifics groups.
