2 years ago

I need help please someone

1 answer:

4 0

<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>

You might be interested in

The measure of the first angle in a triangle is 60 degrees, the second angle is 90 degrees. How many degrees is the measure of t

Ludmilka [50]

If it’s out of 180 degrees it’s 30 degrees

5 0

2 years ago

Read 2 more answers

Please help me out, I will give you brainlest when it gives me the option to.

bekas [8.4K]

Answer:

The answer is A

Step-by-step explanation:

6 0

2 years ago

If a car is traveling 75 miles per hour, how many feet will it travel in 10 seconds?

Alekssandra [29.7K]

Answer:

Step-by-step explanation:

speed=75 miles per hour

$speed=\frac{75 \times 1760 \times 3 }{3600 } =110 ~ft~/ ~s$

distance covered in 10 seconds=110×10=1100 ft

3 0

2 years ago

Read 2 more answers

An arithmetic sequence with a thrid term of 8 and constant difference of 5

olga nikolaevna [1]

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
d=5\\
a_3=8\\
n=3
\end{cases}
\\\\\\
a_3=a_1+(3-1)5\implies 8=a_1+(2)5\implies 8=a_1+10
\\\\\\
\boxed{-2=a_1}
\\\\\\
a_n=-2+(n-1)5$

8 0

3 years ago

2. QS bisects 2 PQR Р S 29° R What is m

drek231 [11]

Answer:

slope

Step-by-step explanation:

7 0

2 years ago