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ArbitrLikvidat [17]
2 years ago
8

Name: -

Mathematics
1 answer:
Luden [163]2 years ago
7 0

Answer:

Step-by-step explanation:

Distance=400+200=600km

diplacement=x      200-0km=200km

total distance travelled=400+400=800km

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a bookstore has 780,000 and sales revenue in 2005 $190,000 2011 assuming a constant annual rate of decrease what is the predicte
AysviL [449]

Answer5,90,000

Step-by-step explanation:

780,000 subtract 190,000 = 590,000

after every 6 years

i'm not sure if its correct. please let me know

7 0
2 years ago
What is the unit rate for meters per second if a car travels 238 meters in 17 seconds?
madreJ [45]
I assume a unit rate is simply ms^-1 or whatever.

In order to determine m/s one must make the "per whatever" part equal to 1. In this case it is seconds, so we must make seconds equal to 1.

If in 17 seconds it travels 238 metres, that means in 1 second it travels 238/17m=14m

Therefore the unit rate (speed) of the car is 14m/s or 14ms^-1
6 0
2 years ago
Read 2 more answers
-14 < 3 + 1 < 13 answer inequality
ahrayia [7]

Answer: -14 < 1 < 3< 13

Step-by-step explanation:

This is the order from the lowest to greatest

5 0
1 year ago
An angle's supplement is nine times of its complementary angle. Find the measure of the angle, the complement of the angle,and t
Nezavi [6.7K]
S = 9C
first sentence written as an expression
Where S represents the angles supplement
and C represents the angles complement
A + S = 180
definition of supplementary allows me to make this statement Where A is the original angle
A + C = 90
definition of complimentary allows this statement
now add the prior 2 statements together
A + S + A + C = 180 + 90
now simplify
2A + S + C = 270
now replace S with 9C using first statement
2A + 9C + C = 270
now simplify
2A + 10C = 270
now divide both sides by 2
A + 5C = 135
now using the second statement isolate A by adding C to both sides
A = 90 - C
now combine the two prior statements
90 - C + 5C = 135
now simplify
90 + 4C = 135
now subtract 90 from both sides
4C = 45
now divide both sides by 4
C = 11.25
so the complimentary angle is 11.25
now take the third equation and substitute in C
A + 11.25 = 90
now subtract 11.25 from both sides
A = 78.75
so the original angle is 78.75
now use the second equation and substitute in A
78.75 + S = 180
now subtract 78.75 from both sides
S = 101.25
so the suplimentary angle is 101.25
7 0
3 years ago
Which phrase is represented by the expression 5 % (36 + 9)?
AnnZ [28]

Answer:

36+9=45+5%=47.25

Step-by-step explanation:

3 0
3 years ago
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