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Art [367]
3 years ago
8

What is the answer for 30c=170

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

Answer:

c = 5  2/3

Step-by-step explanation:

30c = 170

c = 5  2/3

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6.
dimulka [17.4K]

So car A travels Distance = 60 km/hr*(1+x)

Car B travels Distance = 75 km/hr(x)

Where x is the time in hours.

Those two equations are equal when on overtakes the other

so:

60 +60x = 75x

60=15x

x=4, but my expression is written to count from when car B commenced travel. So total time is 5 hours from the car A setting off.

3 0
2 years ago
Read 2 more answers
Find the value of x in the figure and choose the correct result,​
Llana [10]
Here’s a picture of my work. The answer is seven. Hope this helps :-)

4 0
2 years ago
Which of the following points does Not lie on the graph of y =3x
nalin [4]

Answer:

(2,6)

Step-by-step explanation:

<u><em>The options of the questions are</em></u>

(0,1) (1,3) (2,6) (3,27)

and the given function is    y=3^x

we know that

If a ordered pair lie on the graph of the given equation, then the ordered pair must satisfy the given equation

<u><em>Verify each ordered pair</em></u>

case 1) (0,1)

substitute the value of x and the value of y in the linear equation and then compare the results

1=3^0

1=1 ----> is true

so

The ordered pair lie on the graph of the given equation

case 2) (1,3)

substitute the value of x and the value of y in the linear equation and then compare the results

3=3^1

3=3 ----> is  true

so

The ordered pair lie on the graph of the given equation

case 3) (2,6)

substitute the value of x and the value of y in the linear equation and then compare the results

6=3^2

6=9 ----> is  not true

so

The ordered pair not lie on the graph of the given equation

case 4) (3,27)

substitute the value of x and the value of y in the linear equation and then compare the results

27=3^3

27=27 ----> is  true

so

The ordered pair lie on the graph of the given equation

8 0
2 years ago
What is 3(x - 4)= 12x
xxMikexx [17]
3x-12 = 12x

-12 = 9x

-12/9 = x

x= -4/3
4 0
3 years ago
Read 2 more answers
At the shorter waterfall, water falls uninterrupted for 1552 feet before entering the river below. The height h above the river
qwelly [4]

Answer:

<h3>9.9s</h3>

Step-by-step explanation:

First note that the river is on the ground level. The height of the river at the ground level is 0

Given the the height h above the river in feet of water going over the edge of the waterfall is modeled by h(t)=-16t^2+1552

When h = 0

0 = -16t^2+1552

16t^2 = 1552

t² = 1552/16

t² = 97

t = √97

<em>t = 9.9secs</em>

<em>Hence the time it takes is 9.9secs to the nearest tenth</em>

8 0
2 years ago
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