All categories

3 years ago

2x-14=-3x+6<br />help with this equation???<br />

Mathematics

2 answers:

nadya68 [22]3 years ago

6 0

Hi

2x - 14 = -3x + 6
Combine the like terms
2x + 3x = 6 + 14
5x = 20
x = 20/5
x = 4

Good luck !

Sphinxa [80]3 years ago

5 0

2x-14=-3x+6
You need to combine like terms and get all the x's on one side and the numbers on the other
2x+3x-14=6
5x=6+14
5x=20
now divide to get x alone
x=4

Hope that helps

You might be interested in

Doctors have two methods of calculating maximum heart rate. With the first method, maximum heart rate, y, in beats per minute is

77julia77 [94]

Answer:

The second method gives the greater heart rate.

Step-by-step explanation:

In the second method, the age and heart rate(bpm) are in a linear relationship.

Therefore, the maximum heart rate for a 90-year-old person in the second method is = 194 - (194 - 187)7 = 145 bpm.

{Since, the maximum heart rate in the second method decreases in an A.P. having value at the age of 20 is 194 and it decreases by 7 bpm per 10 years}

Now, in the first method, the maximum heart rate for 90-year-old person is y = 220 - 90 = 130 bpm.

Therefore, the second method gives a greater heart rate. (Answer)

7 0

3 years ago

Read 2 more answers

How do you find the slope between (-9,10) and (-7,5)

kvasek [131]

Answer:-5/2

Step-by-step explanation:

When there are two points given like above use this formula.

y2-y1/x2-x1

(The 1 and 2 is gonna be on the bottom right. It represents the number of y and x as there is two sets of (x,y)

8 0

3 years ago

Read 2 more answers

A point moves along the curve y = √ x in such a way that the y-component of the position of the point is increasing at a rate of

Eduardwww [97]

Answer:

The value of x component changes at a rate of $\frac{dx}{dt}=4\sqrt{x}$ units per second

Step-by-step explanation:

We are given that $y=x^{\frac{1}{2}}$

Differentiating on both sides with respect to time we get

$\frac{dy}{dt}=\frac{d\sqrt{x}}{dt}\\\\\frac{dy}{dt}=\frac{1}{2}x^{\frac{-1}{2}}(\frac{dx}{dt})\\\\\frac{dy}{dt}=\frac{1}{2\sqrt{x}}\frac{dx}{dt}$

It is given that $\frac{dy}{dt}=2units/sec$

Solving for $\frac{dx}{dt}$ we get

$\frac{dx}{dt}=\frac{dy}{dt}\times 2\sqrt{x}\\\\\frac{dx}{dt}=4\sqrt{x}$

5 0

2 years ago

If f(x) = 2x to the second power - 10, find f(5)

Aleksandr [31]

F(5) = 2(5)^2 - 10
f(5) = 2(25) - 10
f(5) = 50 - 10
f(5) = 40

7 0

2 years ago

How many sides has an equiangular polygon if one of its exterior angles is 25 5/7?

lys-0071 [83]

Step One
Figure out the interior angle
25 5/7 = 25.714285 repeating. The interior angle is the supplement of this angle.

180 - 25.714285 = 154.2857
The formula relating the number of sides and the interior equal angle is

interior equal angle = 180 ( 1 - 2/n) where n is the number of sides. (Google equiangular polygon to find this formula.)

154.2857 / 180 = 1 - 2/n)
0.8571428 = 6/7 = 1 - 2/n
1/7 = 2/n
n = 14 sides
This figure is regular as well as equiangular.

6 0

2 years ago