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siniylev [52]
3 years ago
5

Solve each system by substitution. y = -4x - 18 y = -3x - 13​

Mathematics
1 answer:
evablogger [386]3 years ago
7 0

Answer:

x=5 and y=2

Step-by-step explanation:

hope it will enough to explain u .... if anything extra needed then ask me in comment section

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Last question please help((: #10
GrogVix [38]
We would use the sine function because we have an angle the hypotenuse, and the unknown opposite side.

sin(x)=opposite/hypotenuse
sin(60)=x/30
√3/2=x/30 (cross multiply)
30*√3/2=x (divide numerators and denominators by 2)
x=15√3 ft. 
So the correct answer is A

Hope this helps
6 0
3 years ago
Read 2 more answers
Solve for x: 4x - 2 &gt; 6x + 8. (5 points)<br> x&lt;-5<br> x&gt;5<br> x&lt;5<br> x&gt;-5
alexgriva [62]

Answer:

x<-5 is the correct answer

6 0
3 years ago
Tommy finished 3/5 of the race in 6 hour. how long was the entire race?
lesya692 [45]

Hello there,

Well to find the total time you would have to set up a proportion...

6 / 3/5 = x / 1

Now you crosss multiply and divide...

6 * 1 = 6

6 / 3/5 =30/3 = 10


Answer: 10 hours


Hope I helped!!

-Char

7 0
3 years ago
Which best describes the composition of two functions
masha68 [24]
The composition of 2 functions is B
3 0
3 years ago
What is the sum of 9/10+8/100
ArbitrLikvidat [17]
9/10 + 8/100

9/10 + 2×4/25×4

Common denominator is 50.

9/10 + 2/25.

5×9/5×10 + 2×2/2×25

45/50 + 4/50

= 49/50
6 0
3 years ago
Read 2 more answers
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