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stiks02 [169]
1 year ago
15

Find the cube root of 27d3 + 54a2b + 36ab2 + 8b3​

Mathematics
1 answer:
enot [183]1 year ago
8 0

Answer:

 (3a + 2b)3

Step-by-step explanation:

STEP 1  :

Equation at the end of step 1

 (((27•(a3))+((54•(a2))•b))+(36a•(b2)))+23b3

Step 2:

(((27•(a3))+((54•(a2))•b))+(22•32ab2))+23b3

Step 3:

(((27•(a3))+((2•33a2)•b))+(22•32ab2))+23b3

Step 4:

 ((33a3 +  (2•33a2b)) +  (22•32ab2)) +  23b3

Step 5:

 Factoring:  27a3+54a2b+36ab2+8b3

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Solve the rational equation quantity 3 times x minus 5 end quantity divided by 7 equals four sevenths. A: f(n) = f(n − 1) ⋅ 0.3
KengaRu [80]

Answer:

2.8 < x -0

Step-by-step explanation:

4 0
1 year ago
A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
zvonat [6]

Answer:

0.16 Acres per sheep

Step-by-step explanation:

Since there are 40 acres spread upon 250 sheep, you would divide the acres by the number of sheep. Make an equation

40/250 =....

7 0
1 year ago
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The base of the isosceles triangle is parallel to x-axis and has both end-points on the parabola y=x(10−x) and its vertex belong
baherus [9]

Answer:

36

Step-by-step explanation:

We must determine the x and y intercepts of the parabola:

When y=0, x=0 or x=10

WE know that the point of the triangle base is x and x+8. We can substitute this into the parabola equation because the endpoints are on the parabola.

f(x+8)=-(x^2+16x+64)+10x+80

f(x+8)=-x^2-6x+16

f(x)=f(x+8)

-x^2+10x=-x^2-6x+16

solve for x

16x=16

x=1

Therefore the heigh is f(1):

=-1^2+10=9

The area of the triangle is 1/2 base x height:

=(1/2)\cdot{8}\cdot{9}=36

6 0
2 years ago
Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Show the correct substitution of the values
Grace [21]
I hope this helps you

5 0
1 year ago
A recipe for lemon cranberry pound cake calls for 80 milliliters of lemon juice and 240 milliliters of plain yogurt. How many li
igor_vitrenko [27]
We know that
1 liter------------> is equal to 1000 ml

if for one cake--------------> are required 80 milliliters of lemon juice
<span> for 11 cakes--------------> X
X=11*80---------> 880 ml

</span>if for one cake--------------> are required 240 milliliters of plain yogurt
 for 11 cakes--------------> X
X=11*240---------> 2640 ml

<span>liters of lemon juice needed to make 11 cakes
880 ml/1000------> 0.88 lt

</span><span>liters of yogurt needed to make 11 cakes
2640 ml/1000--------> 2.64 lt

the answer is
are needed 0.88 lt </span>of lemon juice and 2.64 lt of yogurt to make 11 cakes<span>

</span>
7 0
2 years ago
Read 2 more answers
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