3 years ago

Which expressions have the same solution as –4(6)?

Mathematics

1 answer:

gogolik [260]3 years ago

8 0

Answer:

-24

Step-by-step explanation:

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BC= <br> AC=<br> m When it’s a 45-45-90 triangle

Katena32 [7]

Answer:

BC = 6

AC = square root of 72 or 8.485...

angle A = 45

Step-by-step explanation:

BC = BA

AC^2 = BA^2 + BC^2

angle A = 180-(90+45)

3 0

3 years ago

Simplify the following expressions 12x^3/25×40/9x^2

Archy [21]

Answer: 27x^5/250

Step-by-step explanation:

I assume that's a fraction on a fraction.

12x^3/25×40/9x^2 = (12x^3 × 9x^2)/1000

= 108x^5/100

= 27x^5/250

3 0

3 years ago

Write an expression for the verbal phrase:<br> the difference between k and half of b is 47

Helga [31]

k-1/2b=47 because the difference is subtraction and half b is a half fraction and it equals 47.

6 0

3 years ago

3x+6/x^2-x-6+2x/x^2+x-12

Tanzania [10]

$\dfrac{3x+6}{x^2-x-6} + \dfrac{2x}{x^2+x-12}$

$= \dfrac{3(x+2)}{(x + 2)(x - 3)} + \dfrac{2x}{ (x - 3)(x + 4)}$

$= \dfrac{3}{(x - 3)} + \dfrac{2x}{ (x -3)(x + 4)}$

$= \dfrac{3(x+4)}{(x - 3)(x + 4)} + \dfrac{2x}{ (x -3 )(x + 4)}$

$= \dfrac{3(x+4) + 2x }{(x - 3)(x + 4)}$

$= \dfrac{3x+12 + 2x }{(x - 3)(x + 4)}$

$= \dfrac{5x+12}{(x - 3)(x + 4)}$

6 0

3 years ago

Evaluate the following expression using the values given.

mel-nik [20]

Answer:

-19

Step-by-step explanation:

2×2-2z4+y2-x2+z4

now we put the value,

4-2(2to the power 4)+(3 to the power 2)-(-4 to the power 2)+(2 to the power 4)

4-2×16+9-16+16

4-32+9

4+9-32

13-32

-19

please check the answer again i am sorry if it's wrong

5 0

3 years ago