All categories

3 years ago

What is -14n+1=rt-4n, solving for n

1 answer:

4 0

Answer: n = -rt/10 + 1/10

Explanation: isolate the variable by dividing each side with the factors that don’t contain n, then isolate n to get this answer.

Hope this helps!

You might be interested in

Joe travels at a constant speed of 80 miles per hour for ten hours. How many miles will he travel in ten

ratelena [41]

Answer:

1287.48 km

Step-by-step explanation:

80 miles = 128.748 km

Distance = Speed x Time

Putting in 'x' for distance

x = 80*10

x = 800 miles

x = 1287.48 km

3 0

3 years ago

Find the equation of the circle with a diameter whose end points are (-1,-2) and (-3,2)

Sergeeva-Olga [200]

Answer:

The equation of the circle with a diameter whose end points are (-1,-2) and (-3,2) is

$x^{2} +y^{2}+4x-1=0$

Step-by-step explanation:

Explanation:-

Step 1:-

The equation of the circle having center and radius is

$(x-h)^2+(y-k)^2=r^2$

here center is (h,k) and radius is r

Given diameter whose end points are (-1,-2) and (-3,2)

The diameter of the circle is passing through the center of the circle

so center of the circle = midpoint of two end points

$(\frac{-1 +(-3) }{2} ,\frac{-2+2 }{2} )$

$(-2,0)$

therefore center (h,k) = (-2,0)

Step 2:-

we have to find the radius of the circle

the radius of the circle = the distance from center to the one end point

i.e., C P = r

Given one end point is P(-3,2) and center C(-2,0)

The distance formula of two points are

$\sqrt{(x_{2}-x_{1} ) ^{2}+ (y_{2}-y_{1} ) ^{2}}$

$r=\sqrt{{(-3)-(-1) ) ^{2}+ (2-(-2)) ^{2}}$

$r=\sqrt{5}$

Step 3:-

center (h,k) = (-2,0) and

radius $r=\sqrt{5}$

The standard form of circle equation

$(x-h)^2+(y-k)^2=r^2$

$(x-(-2))^2+(y-0)^2=\sqrt{5} ^2$

on simplification is

$x^{2} +y^{2}+4 x-1=0$

5 0

3 years ago

3(5 +4) + 4 – 2 •4= HELPPPP

Y_Kistochka [10]

Answer:

Step-by-step explanation: hope this helps

6 0

3 years ago

A taxi charges $7.75 plus $0.56 per mile.

stich3 [128]

$7.75+$7.75=$15.50 (He took the taxi 2x)
$0.56(14)+$0.56(7)=$11.76 (14 miles on the way to work, 7 miles on the way home since he only rode half way and walked the other half)
$15.50+$11.76=$27.26
Ryan pays $27.76 for the taxi ride per day.

5 0

3 years ago

Whates 2 divided by 3 z= -6

GalinKa [24]

z = 20/3 = 6.667

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

2/3-(z-6)=0

Step by step solution :

Step 1 :

Simplify —

Equation at the end of step 1 :

— - (z - 6) = 0

Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using 3 as the denominator :

z - 6 (z - 6) • 3

z - 6 = ————— = ———————————

1 3

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

2 - ((z-6) • 3) 20 - 3z

——————————————— = ———————

3 3

Equation at the end of step 2 :

20 - 3z

——————— = 0

Step 3 :

When a fraction equals zero :

3.1 When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

20-3z

————— • 3 = 0 • 3

Now, on the left hand side, the 3 cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

20-3z = 0

3 0

3 years ago