What expressions are equivalent to 10x + 30x?

Mathematics

1 answer:

Yuri [45]2 years ago

7 0

Answer:

5(2x+6x) and 10(x+3x)

Step-by-step explanation:

because the three results 40x

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The atmospheric pressure at sea level is 14.7 lb/in2. This pressure is reduced by half for each 3.6 miles above sea level. Which

Oxana [17]

Find attached a graph that I constructed.

To do that graph I used Excel.

First I did a table with this set of points:

height presuure
 miles psi
 0 14,7 <---- initial data

3.6 7.35 <--- increase hegiht 3.6 miles => half pressure

7.2 3.675 <---- second increase of 3.6 miles in height

10. 8 1.8375 <---- third increase of 3.6 miles in height

14.4 0.91875 

18 0.459375

Download pdf

5 0

3 years ago

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Question 12 helllllllppppp plazzzzzzz

Eddi Din [679]

Answer:

Step-by-step explanation:

It says Renita takes minutes to ride half a mile.

She leaves 30 minutes before school.

Total distance is

$2\frac{1}{2} = \frac{1}{2}+ \frac{1}{2} +\frac{1}{2} +\frac{1}{2} +\frac{1}{2}\\$