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Alisiya [41]
3 years ago
14

Solve this equation(15x^3- 2)^3= 2197

Mathematics
1 answer:
aliya0001 [1]3 years ago
5 0

Answer:

x=1

Step-by-step explanation:

(15x^3- 2)^3= 2197

Take the cube root of each side

(15x^3- 2)^3 ^ 1/3= 2197^ 1/3

15x -2 = 13

Add 2 to each side

15x^3- 2+2= 13+2

15x^3 =15

Divide each side by 15

15x^3 /15 =15/15

x^3 =1

Take the cube root of each side

x^3 ^1/3 = 1^1/3

x=1

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Carla is 3 years older than Rosa and the square of Carla's age increased by the square of Rosa's age equals 317 years. Find both
murzikaleks [220]

Answer:

Carla=14

Rosa=11

Step-by-step explanation:

let Carla as C and Rosa as R

C=R+3

C²+R²=317

substitute these two equations and take the positive number as the answer. bcuz age can't be in negative.

4 0
3 years ago
Find the equation of the line with the given properties: passes<br> through (0,-9) and (-2,-9).
irga5000 [103]

Answer:

I WRITE THE STEPS

Step-by-step explanation:

Find the Equation of a Line Given That You Know a Point on the Line And Its Slope. The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept. If you a point that a line passes through, and its slope, this page will show you how to find the equation of the line.

8 0
3 years ago
(-1/9) ÷ 6/7 =<br><br> Help<br> Me <br> Pls
kow [346]

Answer:

−  

54

7

​

Step-by-step explanation:

Pasos de la solución

(−1/9)÷6/7=

Divide −  

9

1

​

 por  

7

6

​

 al multiplicar −  

9

1

​

 por el recíproco de  

7

6

​

.

−  

9

1

​

×(  

6

7

​

)

Multiplica −  

9

1

​

 por  

6

7

​

 (para hacerlo, multiplica el numerador por el numerador y el denominador por el denominador).

9×6

−7

​

 

Realiza las multiplicaciones en la fracción  

9×6

−7

​

.

54

−7

​

 

La fracción  

54

−7

​

 se puede reescribir como −  

54

7

​

 extrayendo el signo negativo.

−  

54

7

​

8 0
3 years ago
Read 2 more answers
What is the remainder when the polynomial 5x2+10x−15 is divided by x + 5? Enter your answer in the box.
otez555 [7]
ANSWER
The remainder is
60

EXPLANATION

Let

p(x) = 5 {x}^{2}  + 10x - 15

We shall apply the remainder theorem to obtain the remainder when
p(x)
is divided by
x + 5

According to the remainder theorem, if a polynomial
p(x)
is divided by
x - a
then the remainder is
p(a)


So we set
x + 5 = 0

and solve for
x

to obtain,

x =  - 5


We now substitute -5 into the given polynomial to find the remainder.



p( - 5) = 5 {( - 5)}^{2}  + 10( - 5) - 15


This gives us,

p( - 5) = 5(25) - 50 - 15

This will simplify to,

p( - 5) = 125 - 50 - 15



p( - 5) = 60


Therefore the remainder is
60
5 0
3 years ago
Read 2 more answers
a farmer is splitting 23 pounds of oats into 9 separate bins for his horses how many pounds of oats will be in each bin
lilavasa [31]
To solve this problem, we must first divide 23/9, which is already in itself an answer. Then, to express it as a mixed fraction you just need to find out how many times 9 can go into 23.

9 x 1 = 9
9 x 2 = 18
9 x 3 = 27

So, the most times 9 can go into 23 is 2 times. 

That give us 2 pounds with a remainder of 5.

So, our mixed fraction is 2\frac{5}{9}

8 0
3 years ago
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