3 years ago

The unit rate of 15 degrees in 2 hours

Mathematics

2 answers:

Neporo4naja [7]3 years ago

5 0

Solution: 7.5 Degrees per hour

Reasoning: 15/2 is equal to 7 1/2 or 7.5

Elden [556K]3 years ago

5 0

Found this on another Brainly page.

You might be interested in

I don't know what to do.

mezya [45]

Photo-math take a picture of your problem and it will give you your answer

7 0

3 years ago

Identify the solutions of the system of equations, if any<br> x+5y=6<br> 6x-10y=12

saw5 [17]

$\left \{ {{x+5y=6} \ \ |2\atop {6x-10y=12}} \right. \\\\\\ \left \{ {{2x+10y=12} \atop {6x-10y=12}} \right. \\ ======== \\\\ 8x=24 \ \ \ |:8 \\\\ \boxed{x=3} \\\\ x+5y=6 \\\\ 5y=6-x \\\\ y=\frac{6-x}{5} \\\\ y=\frac{6-3}{5} \\\\ \boxed{y=\frac{3}{5}}$

8 0

3 years ago

Read 2 more answers

At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students pref

seropon [69]

Answer:

260

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Which coordinates , are shared by The Triangle and the rectangle

tigry1 [53]

(5,3) are shared by both

3 0

3 years ago

1. The sum of first n terms of an arithmetic sequence is 3n²+4n

valentina_108 [34]

Answer:

Step-by-step explanation:

$a_1=S_1=3\cdot1^2+4\cdot1=3+4=7$

$a_1+a_2=S_2\\\\a_1+a_1+d=3\cdot2^2+4\cdot2\\\\7+7+d=3\cdot4+8\\\\14+d=12+8\\\\d=6\\\\\\a_n=a_1+d(n-1)\\\\a_n=7+6(n-1)\\\\a_n=7+6n-6\\\\\underline{a_n=7n+1}$

$a_{20}=7\cdot20+1=141$

5 0

3 years ago