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3 years ago

Solve the equation -3p+10=1 for p

Mathematics

1 answer:

AlladinOne [14]3 years ago

4 0

P should equal 3. hope this helps.

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A plumber needs to replace 20 feet of copper piping. When he gets to the supply store, the lengths are given in meters. How many

mars1129 [50]

He would need 6 meters of copper piping or just a tiny tincy bit more

5 0

2 years ago

Un jardín rectangular de 50 cm de largo por 34 m de ancho está rodeado por un camino de arena uniforme.Halla la anchura de dicho

Anastasy [175]

Answer:

5.85 m

Step-by-step explanation:

The width of the sand road can be calculated knowing its area and the dimensions of the rectangular garden as follows:

$A_{g} = a.b$

<u>Where:</u>

Ag: is the area of the rectangular garden

a: is the length of the rectangular garden = 50 cm = 0.5 m

b: is the width of the rectangular garden = 34 m

$A_{s} = 540 m^{2}$

<u>Where</u>:

As: is the area of the sand road

The relation between the area of the sand road and the area of the rectangular garden is the following:

$A_{s} + A_{g} = (a+2x)*(b+2x)$

$540 m^{2} + 0.5m*34m = ab + 2ax + 2bx + 4x^{2}$

$557 m^{2} = ab + 2x(a + b) + 4x^{2}$

$557 m^{2} - 17m^{2} - 2x(34.5 m) - 4x^{2} = 0$

$540 - 69x - 4x^{2} = 0$

By solving the above equation for x we have two solutions:

x₁ = -23.10 m

x₂ = 5.85 m

Taking the positive value, we have that the width of the sand road is 5.85 m.

I hope it helps you!

7 0

3 years ago

Will give Brainly! Need help!

densk [106]

Answer:

(-3,5)

Step-by-step explanation:

Please brainleist me

3 0

3 years ago

Find the sum of -3x^2-4xy+2y^2

Zielflug [23.3K]

Here-

Equation at the end of step 1 :

((9 • (x2)) - 4xy) - 2y2 Step 2 :

Equation at the end of step 2 :

(32x2 - 4xy) - 2y2Step 3 :

Trying to factor a multi variable polynomial :

3.1 Factoring 9x2 - 4xy - 2y2

Final result :
9x2 - 4xy - 2y2

3 0

3 years ago

Read 2 more answers

If the discriminant is positive there is exactly one real solution.

Len [333]

It is in form
0=ax^2+bx+c
0=-3x^2-2x+6
a=-3
b=-2
c=6

so
x=
x=
x=
x=
x=
x=
x= or

7 0

2 years ago