3 years ago

Help me on this problem please?????

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

8 0

Whats the numbers so i can help solve it

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- 10x - y = 27<br> - 4x - y = 9<br> Find the solution of the system equation.

AURORKA [14]

X=-6
Y=-15

I think it is correct

8 0

3 years ago

Read 2 more answers

X^2y^8/x^7y^6 if x= -2 and y= 4

damaskus [11]

Answer:

- $\frac{1}{2}$

Step-by-step explanation:

Given

$\frac{x^2y^8}{x^7y^6}$

= $\frac{y^{(8-6)} }{x^{(7-2)} }$

= $\frac{y^2}{x^5}$ , substitute values

= $\frac{4^2}{(-2)^{5} }$

= $\frac{16}{-32}$

= - $\frac{1}{2}$

7 0

3 years ago

11. The formula to find the AREA of a triangle is A = 1/2bh<br> True<br> False

Vera_Pavlovna [14]

Answer:

True

Step-by-step explanation:

The formula for the area of a triangle is:

area=(base x height)/2

7 0

3 years ago

4. A safe slope for a ladder is 1 ft of run for every 4 ft of rise. Vincent needs to use a

Ivan

Answer:

5.5 ft

Step-by-step explanation:

because its 4ft for every 1ft there's a ratio of 1:4 so 22 represents the 4 part of the ratio, hence 22 divided by 4 gives us 5.5 on the base

7 0

2 years ago

Three numbers are in the ratio 3:4:5. If the sum of their cubes is 216000, find the largest of these three numbers.

Makovka662 [10]

Answer:

Step-by-step explanation:

Let the numbers be 3x, 4x, 5x

(3x)^3 + (4x)^3 + (5x)^3 = 216000

27x^3 + 64x^3 + 125x^3 = 216000

216x^3 = 216000

x^3 = 1000

x = 10

5x = 5(10) = 50

Answer: 50

8 0

3 years ago