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Basile [38]
3 years ago
13

What would be the expression after distributing, 4(x+7)?

Mathematics
2 answers:
umka2103 [35]3 years ago
3 0

Answer:

4x+28

Step-by-step explanation:

evablogger [386]3 years ago
3 0

Answer:

4x + 28

Step-by-step explanation:

First you would multiply 4 and x to get 4x, next 4 x 7 to get 28. Since they are not like terms you are left with 4x + 28

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A bicyclist traveled with a speed of 12 km/h from a camping ground to a station, located 60 km away. Write a formula expressing
yawa3891 [41]

1. The formula expressing the dependence of the variable s on t is: s = 60 - 12t

2. the distance travelled at time t = 3.5 h is 18 Km

<h3>What is speed? </h3>

Speed is the distance travelled per unit. Mathematically, it can be expressed as:

Speed = distance / time

<h3>1. How to determine the formula expressing the dependence of the variable s on t</h3>

From the question given, bicyclist traveled with a speed of 12 km/h from a camping ground to a station, located 60 km.

Thus, we shall determine the distance travel in time t as follow

  • Speed = 12 Km/h
  • Time = t
  • Distance in time t = ?

Speed = distance / time

12 = distance / t

Cross multiply

Distance = 12 × t

Distance in time t = 12t

But the total distance travelled is 60 Km. Thus, the remaining distance (s) from the bicyclist to the station at time (t) will be given as:

s = 60 - 12t

Thus, the formula expressing the dependence of the variable s on t is: s = 60 - 12t

<h3>2. How to determine the distance at t = 3.5 hours</h3>

The distance at t = 3.5 hours can be obtained as illustrated below:

  • Time (t) = 3.5 hours
  • Distance (s) = ?

s = 60 - 12t

s = 60 - (12 × 3.5)

s = 60 - 42

s = 18 Km

Thus, the distance travelled at t = 3.5 hours is 18 km

Learn more about speed:

brainly.com/question/680492

#SPJ1

6 0
2 years ago
(-4, 5) and (8, -1) y intercept​
ozzi

Answer:

what is it that you are looking for tho

Step-by-step explanation:

7 0
3 years ago
Rewrite the following equation in slope-intercept form.<br><br> x + 4y = 16
baherus [9]

Answer:

y=-x/4+4

Step-by-step explanation:

Slope intercept form: y=mx+b

x+4y=16

4y=-x+16

y=-x/4+4

6 0
3 years ago
Read 2 more answers
Hiram earned a score of 83 on his semester algebra test. Ile needs to have a total of at least 180 points from his semester and
I am Lyosha [343]

Answer:

He needs 97 to ensure his A Grade.

7 0
3 years ago
No one is helping me *cries* please help if you can!!
Lorico [155]

Answer:

Step-by-step explanation:

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4 0
3 years ago
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