3 years ago

Duane recorded the temperature outside his window one morning. On the second day,

Mathematics

1 answer:

larisa86 [58]3 years ago

7 0

Answer:

Step-by-step explanation:

$day 2 = +7\\\\day3 = -10\\\\day 4 = -6\\\\FinalDay = 1$

so $start +7 -10-6 = 1\\ \\start = 10$

You might be interested in

PLEASE HELP ASAP !!!!!!

ser-zykov [4K]

You should try to add 4 and place the 2 in the 3 digit slot

5 0

3 years ago

If x + y = x y = 5 then x ^2 y + X Y ^ 2 equals

VikaD [51]

Answer:

Step-by-step explanation:

Note x^2y + xy^2 = xy(x+y)

We know xy = 5 and x+y = 5, so

5*5=25

3 0

3 years ago

Solve the following equation for n 18n^2-50=0

Firdavs [7]

$18n^2-50=0\ \ \ |+50\\\\18n^2=50\ \ \ |:18\\\\n^2=\dfrac{50}{18}\\\\n^2=\dfrac{50:2}{18:2}\\\\n^2=\dfrac{25}{9}\to n=\pm\sqrt{\dfrac{25}{9}}\\\\n=\pm\dfrac{\sqrt{25}}{\sqrt{9}}\\\\\boxed{n=-\dfrac{5}{3}\ \vee\ n=\dfrac{5}{3}}$

$Used:\\\sqrt{\dfrac{a}{b}}=\dfrac{\sqrt{a}}{\sqrt{b}}$

3 0

3 years ago

I need to find surface area

boyakko [2]

Answer:

489.6

Step-by-step explanation:

6 x 6 x 2 x 4 x 1.7

6 x 6 = 36

36 x 2 x 4 x 1.7

36 x 2 = 72

72 x 4 x 1.7

72 x 4 = 288

288 x 1.7 = 489.6

8 0

3 years ago

Read 2 more answers

What is bigger 3/4 or 4/15?

Tems11 [23]

Answer:

3/4 is a bigger

Step-by-step explanation:

and 4/15 is a smaller

3 0

3 years ago