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nexus9112 [7]
3 years ago
13

If NASA scientists use positive and negative numbers to represent the time surrounding a rocket launch, what would zero mean?

Mathematics
2 answers:
Tom [10]3 years ago
3 0

Answer:

0 would mean to Launch

if you are going the opposite way you would count up

Advocard [28]3 years ago
3 0

Answer:

C

Step-by-step explanation:

plz mark brailiest

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A car is traveling at a constant velocity. After two hours the car has traveled 110 miles. After four hours the car has traveled
Aleks04 [339]
I will take110+110 which will give me220
8 0
4 years ago
Can you please explain how you did it. Thanks!
vivado [14]
Well first you would start by setting up with a proportion.
In total, the girls paid $54+$22= $76
Thus 1 sister contributed $54/$76=x/100
The other sister contributed $22/$76=x/76
For each proportion, cross-multiply and simplify to get the percentage. The percentage will be the x
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Can someone help me with 8 or 9
kumpel [21]
8
A. Delivery is $20. One cord is $120.
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4 years ago
Penelope drove 27 kilometers. Which expression finds the distance she drove in centimeters? Use the metric table to help answer
vovikov84 [41]

Answer:

Step-by-step explanation:

1km=1000 m

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4 0
3 years ago
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1. What is the constant of proportionality, k,<br><br><br> of Kevin's wage? Greg's? Savannah's?
Gala2k [10]

Answer:

Part a) The constant of proportionality of Kevin's wage is k=\$8.25\ per\ hour

Part b) The constant of proportionality of Greg's wage is k=\$9.00\ per\ hour

Part c) The constant of proportionality of Savannah's wage is k=\$9.50\ per\ hour

Step-by-step explanation:

See the attached figure to better understand the problem

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

To find out the constant of proportionality k , divide the variable y (total earned) by the variable x (number of hours)

<em>Kevin's wage</em>

Take any point from the table

I take the point (2,16.50)

k=\frac{16.50}{2}=\$8.25\ per\ hour

<em>Greg's wage</em>

Take any point from the table

I take the point (3,27.00)

k=\frac{27.00}{3}=\$9.00\ per\ hour

<em>Savannah's wage</em>

Take any point from the table

I take the point (2,19.00)

k=\frac{19.00}{2}=\$9.50\ per\ hour

3 0
3 years ago
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