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3 years ago

What is 3t-7=5, then 6t=

Mathematics

1 answer:

mel-nik [20]3 years ago

5 0

I think the answer is 24t, because 3t is probably 12 and 6t is the double of 3t so the double of 12 is 24..

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Solve for x: 3 over 3 x plus 1 over quantity x plus 4 equals 10 over 7x .

harina [27]

3 1 10
------ + --------------- = ----------
3x x +4 7x

1 1 10
------ + ------------ = ----------
x x +4 7x

x + 4 + x 10
------------------ = ----------
   x(x +4) 7x

2x + 4 10
------------------ = ----------
   x(x +4) 7x

7x(2x + 4) = 10x(x+4)

14x^2 + 28x = 10x^2 + 40x

4x^2 - 12x = 0
4x(x - 3) = 0
4x = 0
x = 0
x - 3 = 0
x = 3

answer x = 0 and x = 3

8 0

3 years ago

Read 2 more answers

It takes Peter 4 hours to walk 12 miles.If he continues to walk at the same rate, how long will it take him to walk:

blondinia [14]

Answer:

a]2.3 hrs

b]3.6hrs

Step-by-step explanation:

4hrs = 12 miles

x = 7miles

4 x 7=28/12=2.3

4 x 11=44/12=3.6hrs

6 0

3 years ago

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What is the slope of the line whose equation is y−4=5/2(x−2)?

postnew [5]

Answer:

$m=\dfrac{5}{2}$

Step-by-step explanation:

If the equation of the line is

$y=mx+b,$

then m represents the slope of the line and b represents the y-intercept of the line. This equation is called the equation of the line in the slope form.

Rewrite the equation of the line in the slope form

$y-4=\dfrac{5}{2}(x-2)\\ \\y-4=\dfrac{5}{2}x-\dfrac{5}{2}\cdot 2\\ \\y-4=\dfrac{5}{2}x-5\\ \\y=\dfrac{5}{2}x-1$

Thus, the slope of the line is

$m=\dfrac{5}{2}$

7 0

3 years ago

Read 2 more answers

Find the center and radius of the circle and sketch its graph<br> X^2+y^2=9

Vaselesa [24]

Answer:

Centre (0,0)

Radius √9 = 3

I've attached a graph if the circle with it

Answered by GAUTHMATH

6 0

3 years ago

A bridge connecting two cities separated by a lake has a length of 5927.261 yd. use the table of facts to find the length of the

alex41 [277]

Answer:

the length of the bridge in miles is 3.37 miles

Step-by-step explanation:

The computation of the length of the bridge in miles is shown below:

Given that

The length is 5927.261 yard

As we know that

1760 yard = 1 mile

So 1 yard = 1 ÷ 1760 mile

For 5927.261 yard, the miles would be

= 5927.261 ÷ 1760

= 3.37 miles

Hence, the length of the bridge in miles is 3.37 miles

5 0

3 years ago