Answer:
Descends at a rate of 200 feet per min
Step-by-step explanation:
Answer:
392
Step-by-step explanation:
Answer:
8 1/4
Step-by-step explanation:
3/4= 9in
11/12= 11in
9x11=99 in
99/12=8.25
8 1/4
Answer:
27/100 because if u write the decimal out in word form it's 27 hundredths and its the same thing if u write 27/100 in word form
Answer:
<em>(2, - 6, 3)</em><em> </em>
Step-by-step explanation:
2x - y - 3z = 1 ⇒ y = 2x - 3z - 1 .... <em>(1)</em>
4x + 3y + 2z = - 4 .... <em>(2)</em>
- 3x + 2y + 5z = - 3 .... <em>(3)</em>
(1) ---> (2) and (3)
4x + 3(2x - 3z - 1) + 2z = - 4 ⇔ 10x - 7z = - 1 ... <em>(4)</em>
- 3x + 2(2x - 3z - 1) + 5z = - 3 ⇔ x - z = - 1 ⇒ x = z - 1 ---> (4)
10(z - 1) - 7z = - 1 ⇒ <u><em>z = 3</em></u>
<u><em>x = 2</em></u>
2(2) - y - 3(3) = 1 ⇒ <u><em>y = - 6</em></u>
<em>(2, - 6, 3)</em>